TY  - CONF
AU  - Rakonjac, Simeon
AU  - Bogosavljević-Bošković, Snežana
AU  - Dosković, Vladimir
AU  - Lukić, Miloš
AU  - Škrbić, Zdenka
AU  - Petričević, Veselin
AU  - Petrović, Milun D.
PY  - 2022
UR  - http://r.istocar.bg.ac.rs/handle/123456789/811
AB  - Cilj ovog rada je bio da se utvrdi uticaj sistema gajenja (podnog i
organskog) i genotipa kokoši nosilja (Isa Brown hibrid i New Hampshire rasa) na
sadržaj holesterola u jajima. U sedam navrata tokom jednogodišnjeg proizvodnog
ciklusa (24, 32, 40, 48, 56, 64 i 72. nedelja starosti nosilja) uzeto je po 15 jaja iz sve
četiri ogledne grupe, i na zbirnim uzorcima je utvrđen sadržaj holesterola. Na
osnovu dobijenih rezultata, može se zaključiti da su jedinke iz podnog sistema
gajenja imale manji sadržaj holesterola u jajima u odnosu na organski gajene
kokoši nosilje, dok se uticaj genotipa na ovu osobinu ne može sa sigurnošću
definistati.
AB  - The aim of this study was to determine the effect of the rearing system (floor
and organic) and the genotype of laying hens (Isa Brown hybrid and New
Hampshire breed) on the cholesterol content in eggs. On seven occasions during
the one-year production cycle (24, 32, 40, 48, 56, 64 and 72 weeks hen's age), 15
eggs from all four experimental groups were taken, and cholesterol content was
determined on pooled samples. Based on the obtained results, it can be concluded
that laying hens from the floor rearing system had lower cholesterol content in
eggs compared to organic, while the effect of genotype on this trait cannot be
defined with certainty.
C3  - Zbornik radova XXVII Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 25-26. mart 2022.
T1  - UTICAJ SISTEMA GAJENJA I GENOTIPA KOKOŠI NOSILJA NA SADRŽAJ HOLESTEROLA U JAJIMA
T1  - EFFECT OF REARING SYSTEMS AND LAYER HENS GENOTYPES ON CHOLESTEROL CONTENT IN EGGS
SP  - 213
EP  - 218
DO  - 10.46793/SBT27.213R
ER  - 

@conference{
author = "Rakonjac, Simeon and Bogosavljević-Bošković, Snežana and Dosković, Vladimir and Lukić, Miloš and Škrbić, Zdenka and Petričević, Veselin and Petrović, Milun D.",
year = "2022",
abstract = "Cilj ovog rada je bio da se utvrdi uticaj sistema gajenja (podnog i
organskog) i genotipa kokoši nosilja (Isa Brown hibrid i New Hampshire rasa) na
sadržaj holesterola u jajima. U sedam navrata tokom jednogodišnjeg proizvodnog
ciklusa (24, 32, 40, 48, 56, 64 i 72. nedelja starosti nosilja) uzeto je po 15 jaja iz sve
četiri ogledne grupe, i na zbirnim uzorcima je utvrđen sadržaj holesterola. Na
osnovu dobijenih rezultata, može se zaključiti da su jedinke iz podnog sistema
gajenja imale manji sadržaj holesterola u jajima u odnosu na organski gajene
kokoši nosilje, dok se uticaj genotipa na ovu osobinu ne može sa sigurnošću
definistati., The aim of this study was to determine the effect of the rearing system (floor
and organic) and the genotype of laying hens (Isa Brown hybrid and New
Hampshire breed) on the cholesterol content in eggs. On seven occasions during
the one-year production cycle (24, 32, 40, 48, 56, 64 and 72 weeks hen's age), 15
eggs from all four experimental groups were taken, and cholesterol content was
determined on pooled samples. Based on the obtained results, it can be concluded
that laying hens from the floor rearing system had lower cholesterol content in
eggs compared to organic, while the effect of genotype on this trait cannot be
defined with certainty.",
journal = "Zbornik radova XXVII Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 25-26. mart 2022.",
title = "UTICAJ SISTEMA GAJENJA I GENOTIPA KOKOŠI NOSILJA NA SADRŽAJ HOLESTEROLA U JAJIMA, EFFECT OF REARING SYSTEMS AND LAYER HENS GENOTYPES ON CHOLESTEROL CONTENT IN EGGS",
pages = "213-218",
doi = "10.46793/SBT27.213R"
}

Rakonjac, S., Bogosavljević-Bošković, S., Dosković, V., Lukić, M., Škrbić, Z., Petričević, V.,& Petrović, M. D.. (2022). UTICAJ SISTEMA GAJENJA I GENOTIPA KOKOŠI NOSILJA NA SADRŽAJ HOLESTEROLA U JAJIMA. in Zbornik radova XXVII Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 25-26. mart 2022., 213-218.
https://doi.org/10.46793/SBT27.213R

Rakonjac S, Bogosavljević-Bošković S, Dosković V, Lukić M, Škrbić Z, Petričević V, Petrović MD. UTICAJ SISTEMA GAJENJA I GENOTIPA KOKOŠI NOSILJA NA SADRŽAJ HOLESTEROLA U JAJIMA. in Zbornik radova XXVII Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 25-26. mart 2022.. 2022;:213-218.
doi:10.46793/SBT27.213R .

Rakonjac, Simeon, Bogosavljević-Bošković, Snežana, Dosković, Vladimir, Lukić, Miloš, Škrbić, Zdenka, Petričević, Veselin, Petrović, Milun D., "UTICAJ SISTEMA GAJENJA I GENOTIPA KOKOŠI NOSILJA NA SADRŽAJ HOLESTEROLA U JAJIMA" in Zbornik radova XXVII Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 25-26. mart 2022. (2022):213-218,
https://doi.org/10.46793/SBT27.213R . .

TY  - CONF
AU  - Dosković, Vladimir
AU  - Bogosavljević-Bošković, Snežana
AU  - Škrbić, Zdenka
AU  - Milošević, Božidar
AU  - Lukić, Miloš
AU  - Rakonjac, Simeon
AU  - Petričević, Veselin
PY  - 2022
UR  - http://r.istocar.bg.ac.rs/handle/123456789/810
AB  - U radu su prikazani najvažniji aspekti delovanja egzogenih enzima
(amilaze, ksilanaze, glukanaze, celulaze, hemicelulaze, pektinaze, fitaze i proteaze)
dodatih u hranu za brojlere. Dodatak enzima hrani za brojlere ima nutritivno,
zdravstveno, ekonomsko i ekološko opravdanje. Korišćenje kompleksa egzogenih
enzima kao dodataka potpunim smešama za ishranu brojlerskih pilića u različitim
fazama tova, značajno utiče na povećanje dostupnosti rezervnih polisaharida,
masti, proteina i nekih mineralnih materija, bolju iskoristivost energije iz hrane,
bolje zdravstveno stanje pilića, bolji kvalitet trupova i pilećeg mesa, smanjenje
troškova ishrane u tovu pilića (a time i na ukupne troškove proizvodnje), kao i na
smanjenje zagađenosti životne sredine i jedna je od najlakše izvodljivih alternativa
za poboljšanje profitabilnosti proizvodnje u živinarstvu.
C3  - Zbornik radova XXVII Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 25-26. mart 2022.
T1  - Enzimi u ishrani brojlera
SP  - 229
EP  - 236
DO  - 10.46793/SBT27.229D
ER  - 

@conference{
author = "Dosković, Vladimir and Bogosavljević-Bošković, Snežana and Škrbić, Zdenka and Milošević, Božidar and Lukić, Miloš and Rakonjac, Simeon and Petričević, Veselin",
year = "2022",
abstract = "U radu su prikazani najvažniji aspekti delovanja egzogenih enzima
(amilaze, ksilanaze, glukanaze, celulaze, hemicelulaze, pektinaze, fitaze i proteaze)
dodatih u hranu za brojlere. Dodatak enzima hrani za brojlere ima nutritivno,
zdravstveno, ekonomsko i ekološko opravdanje. Korišćenje kompleksa egzogenih
enzima kao dodataka potpunim smešama za ishranu brojlerskih pilića u različitim
fazama tova, značajno utiče na povećanje dostupnosti rezervnih polisaharida,
masti, proteina i nekih mineralnih materija, bolju iskoristivost energije iz hrane,
bolje zdravstveno stanje pilića, bolji kvalitet trupova i pilećeg mesa, smanjenje
troškova ishrane u tovu pilića (a time i na ukupne troškove proizvodnje), kao i na
smanjenje zagađenosti životne sredine i jedna je od najlakše izvodljivih alternativa
za poboljšanje profitabilnosti proizvodnje u živinarstvu.",
journal = "Zbornik radova XXVII Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 25-26. mart 2022.",
title = "Enzimi u ishrani brojlera",
pages = "229-236",
doi = "10.46793/SBT27.229D"
}

Dosković, V., Bogosavljević-Bošković, S., Škrbić, Z., Milošević, B., Lukić, M., Rakonjac, S.,& Petričević, V.. (2022). Enzimi u ishrani brojlera. in Zbornik radova XXVII Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 25-26. mart 2022., 229-236.
https://doi.org/10.46793/SBT27.229D

Dosković V, Bogosavljević-Bošković S, Škrbić Z, Milošević B, Lukić M, Rakonjac S, Petričević V. Enzimi u ishrani brojlera. in Zbornik radova XXVII Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 25-26. mart 2022.. 2022;:229-236.
doi:10.46793/SBT27.229D .

Dosković, Vladimir, Bogosavljević-Bošković, Snežana, Škrbić, Zdenka, Milošević, Božidar, Lukić, Miloš, Rakonjac, Simeon, Petričević, Veselin, "Enzimi u ishrani brojlera" in Zbornik radova XXVII Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 25-26. mart 2022. (2022):229-236,
https://doi.org/10.46793/SBT27.229D . .

TY  - CONF
AU  - Dosković, Vladimir
AU  - Bogosavljević-Bošković, Snežana
AU  - Škrbić, Zdenka
AU  - Milošević, Božidar
AU  - Lukić, Miloš
AU  - Rakonjac, Simeon
AU  - Petričević, Veselin
PY  - 2022
UR  - http://r.istocar.bg.ac.rs/handle/123456789/809
AB  - This study analyses the effect of different protein levels in broiler feeds (supplemented with
protease), different lengths of fattening period and sex on body conformation in fast-growing
Cobb 500 broilers. Complete feeds for broilers in experimental groups E-I and E-II contained 4
and 6% less crude protein than the control (C) and were supplemented with protease (Ronozyme
Pro Act) at a concentration of 200mg/kg feed and 300mg/kg feed respectively. At 49 and 63 days
of age, 10 male and 10 female broilers were randomly selected from each experimental group and
slaughtered. Body conformation measurement included absolute carcass conformation measures
(metatarsus length, keel length, breast depth, breast angle, thigh girth) and relative body
conformation measures - conformation indices (body weight/metatarsus length, body weight/keel
length, body weight/breast depth, body weight/thigh girth). The results showed that dietary
treatment did not affect conformation measures, as well as that the time of slaughter and sex of
chickens had a significant effect on the examined carcass quality parameters. Namely, the length
of the fattening period affected all conformation indices, as well as some absolute measures of
carcass conformation - metatarsus length, keel length and thigh girth, while sex had a significant
effect on the values of the all absolute values of carcass conformation (except for breast angle)
and indices body weight/keel length and body weight/breast depth.
C3  - Book of Proceedings of the XIII International Scientific Agricultural Symposium „Agrosym 2022“, Jahorina, October 6-9, 2022, Bosnia and Herzegovina
T1  - EFFECTS OF PROTEASE, DURATION OF FATTENING PERIOD AND SEX OF BROILERS ON CARCASS CONFORMATION MEASURES
SP  - 1050
EP  - 1056
UR  - https://hdl.handle.net/21.15107/rcub_ristocar_809
ER  - 

@conference{
author = "Dosković, Vladimir and Bogosavljević-Bošković, Snežana and Škrbić, Zdenka and Milošević, Božidar and Lukić, Miloš and Rakonjac, Simeon and Petričević, Veselin",
year = "2022",
abstract = "This study analyses the effect of different protein levels in broiler feeds (supplemented with
protease), different lengths of fattening period and sex on body conformation in fast-growing
Cobb 500 broilers. Complete feeds for broilers in experimental groups E-I and E-II contained 4
and 6% less crude protein than the control (C) and were supplemented with protease (Ronozyme
Pro Act) at a concentration of 200mg/kg feed and 300mg/kg feed respectively. At 49 and 63 days
of age, 10 male and 10 female broilers were randomly selected from each experimental group and
slaughtered. Body conformation measurement included absolute carcass conformation measures
(metatarsus length, keel length, breast depth, breast angle, thigh girth) and relative body
conformation measures - conformation indices (body weight/metatarsus length, body weight/keel
length, body weight/breast depth, body weight/thigh girth). The results showed that dietary
treatment did not affect conformation measures, as well as that the time of slaughter and sex of
chickens had a significant effect on the examined carcass quality parameters. Namely, the length
of the fattening period affected all conformation indices, as well as some absolute measures of
carcass conformation - metatarsus length, keel length and thigh girth, while sex had a significant
effect on the values of the all absolute values of carcass conformation (except for breast angle)
and indices body weight/keel length and body weight/breast depth.",
journal = "Book of Proceedings of the XIII International Scientific Agricultural Symposium „Agrosym 2022“, Jahorina, October 6-9, 2022, Bosnia and Herzegovina",
title = "EFFECTS OF PROTEASE, DURATION OF FATTENING PERIOD AND SEX OF BROILERS ON CARCASS CONFORMATION MEASURES",
pages = "1050-1056",
url = "https://hdl.handle.net/21.15107/rcub_ristocar_809"
}

Dosković, V., Bogosavljević-Bošković, S., Škrbić, Z., Milošević, B., Lukić, M., Rakonjac, S.,& Petričević, V.. (2022). EFFECTS OF PROTEASE, DURATION OF FATTENING PERIOD AND SEX OF BROILERS ON CARCASS CONFORMATION MEASURES. in Book of Proceedings of the XIII International Scientific Agricultural Symposium „Agrosym 2022“, Jahorina, October 6-9, 2022, Bosnia and Herzegovina, 1050-1056.
https://hdl.handle.net/21.15107/rcub_ristocar_809

Dosković V, Bogosavljević-Bošković S, Škrbić Z, Milošević B, Lukić M, Rakonjac S, Petričević V. EFFECTS OF PROTEASE, DURATION OF FATTENING PERIOD AND SEX OF BROILERS ON CARCASS CONFORMATION MEASURES. in Book of Proceedings of the XIII International Scientific Agricultural Symposium „Agrosym 2022“, Jahorina, October 6-9, 2022, Bosnia and Herzegovina. 2022;:1050-1056.
https://hdl.handle.net/21.15107/rcub_ristocar_809 .

Dosković, Vladimir, Bogosavljević-Bošković, Snežana, Škrbić, Zdenka, Milošević, Božidar, Lukić, Miloš, Rakonjac, Simeon, Petričević, Veselin, "EFFECTS OF PROTEASE, DURATION OF FATTENING PERIOD AND SEX OF BROILERS ON CARCASS CONFORMATION MEASURES" in Book of Proceedings of the XIII International Scientific Agricultural Symposium „Agrosym 2022“, Jahorina, October 6-9, 2022, Bosnia and Herzegovina (2022):1050-1056,
https://hdl.handle.net/21.15107/rcub_ristocar_809 .

TY  - JOUR
AU  - Škrbić, Zdenka
AU  - Lukić, Miloš
AU  - Petričević, Veselin
AU  - Bogosavljević-Bošković, Snežana
AU  - Rakonjac, Simeon
AU  - Dosković, Vladimir
AU  - Tolimir, Nataša
PY  - 2022
UR  - http://r.istocar.bg.ac.rs/handle/123456789/804
AB  - The egg production sector is in a transitional period with regard to the permitted housing systems, i.e. rearing in conventional cages under certain conditions to the complete ban of any form of cage system. The changes were caused by concern for the layer wellfare but with the expected effects on productivity as well. The aim of the research was to determine the effects of the floor space allowance in cage and non-cage housing systems on the feather score and egg production of laying hens of three ages, from the aspect of the regulated minimum and optimal space in the cage system (C) and the space provided in the extensive rearing system with hens in smaller groups in the facility (extensive indoor -EI). In order to determine the feather score, the body weight of the laying hens and the weight of the eggs, three groups of laying hens were formed: C4 (564 cm2 per hen, cage system), C3 (751 cm2 per hen, cage system) and EI ( 3000 cm2 per hen, extensive indoor). The feather score and body weight of laying hens were determined in three ages of hens (30, 40, 50 weeks), by individual assessment and measurement of all hens in the experiment. The hen-day egg production and egg weight were determined in the same weeks of laying age. In addition to the expected decrease in feather score with the age of hens, results indicated a significant interaction between age and space allowance per hen. Observed by individual body parts, as well as based on the overall feather score, the space allowance per hen exhibited a full, cumulative effect at 50 weeks of age. Based on the space allowance, it was possible to rank the overall feather score, with the laying hens with the most space having the best feather score. The effect of the space allowance on the body weight of the laying hens was manifested through the space available on the feeder, which resulted in the lowest (p<0.01) body weight values recorded in laying hens of the C4 group. Egg production was not significantly influenced by the space allowance per hen (p=0.069), but a connection between egg production and the housing system can be concluded. The average egg weight, in addition to the known effect of layer age, was the lowest (p<0.01) in the group with the least space allowance per hen.
PB  - Institute for Animal Husbandry, Belgrade
T2  - Biotechnology in Animal Husbandry
T1  - The effect of space allowance in the cage and floor systems on feather condition and egg production
VL  - 38
IS  - 2
SP  - 125
EP  - 137
DO  - 10.2298/ BAH2202125S
ER  - 

@article{
author = "Škrbić, Zdenka and Lukić, Miloš and Petričević, Veselin and Bogosavljević-Bošković, Snežana and Rakonjac, Simeon and Dosković, Vladimir and Tolimir, Nataša",
year = "2022",
abstract = "The egg production sector is in a transitional period with regard to the permitted housing systems, i.e. rearing in conventional cages under certain conditions to the complete ban of any form of cage system. The changes were caused by concern for the layer wellfare but with the expected effects on productivity as well. The aim of the research was to determine the effects of the floor space allowance in cage and non-cage housing systems on the feather score and egg production of laying hens of three ages, from the aspect of the regulated minimum and optimal space in the cage system (C) and the space provided in the extensive rearing system with hens in smaller groups in the facility (extensive indoor -EI). In order to determine the feather score, the body weight of the laying hens and the weight of the eggs, three groups of laying hens were formed: C4 (564 cm2 per hen, cage system), C3 (751 cm2 per hen, cage system) and EI ( 3000 cm2 per hen, extensive indoor). The feather score and body weight of laying hens were determined in three ages of hens (30, 40, 50 weeks), by individual assessment and measurement of all hens in the experiment. The hen-day egg production and egg weight were determined in the same weeks of laying age. In addition to the expected decrease in feather score with the age of hens, results indicated a significant interaction between age and space allowance per hen. Observed by individual body parts, as well as based on the overall feather score, the space allowance per hen exhibited a full, cumulative effect at 50 weeks of age. Based on the space allowance, it was possible to rank the overall feather score, with the laying hens with the most space having the best feather score. The effect of the space allowance on the body weight of the laying hens was manifested through the space available on the feeder, which resulted in the lowest (p<0.01) body weight values recorded in laying hens of the C4 group. Egg production was not significantly influenced by the space allowance per hen (p=0.069), but a connection between egg production and the housing system can be concluded. The average egg weight, in addition to the known effect of layer age, was the lowest (p<0.01) in the group with the least space allowance per hen.",
publisher = "Institute for Animal Husbandry, Belgrade",
journal = "Biotechnology in Animal Husbandry",
title = "The effect of space allowance in the cage and floor systems on feather condition and egg production",
volume = "38",
number = "2",
pages = "125-137",
doi = "10.2298/ BAH2202125S"
}

Škrbić, Z., Lukić, M., Petričević, V., Bogosavljević-Bošković, S., Rakonjac, S., Dosković, V.,& Tolimir, N.. (2022). The effect of space allowance in the cage and floor systems on feather condition and egg production. in Biotechnology in Animal Husbandry
Institute for Animal Husbandry, Belgrade., 38(2), 125-137.
https://doi.org/10.2298/ BAH2202125S

Škrbić Z, Lukić M, Petričević V, Bogosavljević-Bošković S, Rakonjac S, Dosković V, Tolimir N. The effect of space allowance in the cage and floor systems on feather condition and egg production. in Biotechnology in Animal Husbandry. 2022;38(2):125-137.
doi:10.2298/ BAH2202125S .

Škrbić, Zdenka, Lukić, Miloš, Petričević, Veselin, Bogosavljević-Bošković, Snežana, Rakonjac, Simeon, Dosković, Vladimir, Tolimir, Nataša, "The effect of space allowance in the cage and floor systems on feather condition and egg production" in Biotechnology in Animal Husbandry, 38, no. 2 (2022):125-137,
https://doi.org/10.2298/ BAH2202125S . .

TY  - JOUR
AU  - Lukić, Miloš
AU  - Petričević, Veselin
AU  - Delić, Nikola
AU  - Tolimir, Nataša
AU  - Dosković, Vladimir
AU  - Rakonjac, Simeon
AU  - Škrbić, Zdenka
PY  - 2022
UR  - http://r.istocar.bg.ac.rs/handle/123456789/791
AB  - Key questions for a local broiler farm are: which broiler hybrid to rear and which industrial
feed to use? To show how farmers can manage them, a combination of biological tests and feed
characterizations of the most commonly used hybrids and broiler feeds in the local (Serbian) market was designed and performed. The hybrids Cobb 500 and Ross 308 were used, as well as feed of the same quality category from three established domestic producers (A, B, and C) available in the market. A factorial trial (2   3) was performed on a total of 1800 unsexed day-old chicks divided into six experimental treatments, with six repetitions per treatment and 50 chickens in each repetition.
Prior to and after the biological trial, the feed was characterized. The results confirm the equally
high production potential of the two tested fast-growing hybrids, the different quality of the three
industrial feeds, and that for the expression of genetic potential, each feeding and fattening period
was equally valuable. A complete picture of the tested feeds was obtained within a suitable posttest feed characterization with a farm economy included in the analysis, and the results differed in different production and market scenarios, which allows for finding the optimal feed for the local farm.
PB  - MDPI
T2  - Agriculture
T1  - How Does the Choice of Genotype and Feed in the Local Market Affect Broiler Performance and the Farm Economy? A Case Study in Serbia
VL  - 12
IS  - 6
SP  - 1
EP  - 15
DO  - 10.3390/agriculture12060843
ER  - 

@article{
author = "Lukić, Miloš and Petričević, Veselin and Delić, Nikola and Tolimir, Nataša and Dosković, Vladimir and Rakonjac, Simeon and Škrbić, Zdenka",
year = "2022",
abstract = "Key questions for a local broiler farm are: which broiler hybrid to rear and which industrial
feed to use? To show how farmers can manage them, a combination of biological tests and feed
characterizations of the most commonly used hybrids and broiler feeds in the local (Serbian) market was designed and performed. The hybrids Cobb 500 and Ross 308 were used, as well as feed of the same quality category from three established domestic producers (A, B, and C) available in the market. A factorial trial (2   3) was performed on a total of 1800 unsexed day-old chicks divided into six experimental treatments, with six repetitions per treatment and 50 chickens in each repetition.
Prior to and after the biological trial, the feed was characterized. The results confirm the equally
high production potential of the two tested fast-growing hybrids, the different quality of the three
industrial feeds, and that for the expression of genetic potential, each feeding and fattening period
was equally valuable. A complete picture of the tested feeds was obtained within a suitable posttest feed characterization with a farm economy included in the analysis, and the results differed in different production and market scenarios, which allows for finding the optimal feed for the local farm.",
publisher = "MDPI",
journal = "Agriculture",
title = "How Does the Choice of Genotype and Feed in the Local Market Affect Broiler Performance and the Farm Economy? A Case Study in Serbia",
volume = "12",
number = "6",
pages = "1-15",
doi = "10.3390/agriculture12060843"
}

Lukić, M., Petričević, V., Delić, N., Tolimir, N., Dosković, V., Rakonjac, S.,& Škrbić, Z.. (2022). How Does the Choice of Genotype and Feed in the Local Market Affect Broiler Performance and the Farm Economy? A Case Study in Serbia. in Agriculture
MDPI., 12(6), 1-15.
https://doi.org/10.3390/agriculture12060843

Lukić M, Petričević V, Delić N, Tolimir N, Dosković V, Rakonjac S, Škrbić Z. How Does the Choice of Genotype and Feed in the Local Market Affect Broiler Performance and the Farm Economy? A Case Study in Serbia. in Agriculture. 2022;12(6):1-15.
doi:10.3390/agriculture12060843 .

Lukić, Miloš, Petričević, Veselin, Delić, Nikola, Tolimir, Nataša, Dosković, Vladimir, Rakonjac, Simeon, Škrbić, Zdenka, "How Does the Choice of Genotype and Feed in the Local Market Affect Broiler Performance and the Farm Economy? A Case Study in Serbia" in Agriculture, 12, no. 6 (2022):1-15,
https://doi.org/10.3390/agriculture12060843 . .

TY  - JOUR
AU  - Rakonjac, Simeon
AU  - Dosković, Vladimir
AU  - Bogosavljević-Bošković, Snežana
AU  - Škrbić, Zdenka
AU  - Lukić, Miloš
AU  - Petričević, Veselin
AU  - Petrović, Milun D.
PY  - 2021
UR  - http://r.istocar.bg.ac.rs/handle/123456789/758
AB  - The aim of this study was to evaluate the effect of rearing systems
and genotypes on production performance and egg quality. Isa Brown
and New Hampshire genotypes were used in this study. These two
genotypes were housed in floor and organic rearing systems. During the
experimental period, which lasted one year (52 weeks), the following
production performance parameters were recorded: egg production,
daily egg mass, feed consumption, feed conversion efficiency, and
mortality. Fifteen eggs per group were collected for analysis at 64 weeks
of hen age. These samples were evaluated for external parameters
(egg weight and egg shape index), internal parameters (albumen
height, Haugh unit, and the proportions of albumen, yolk and shell),
eggshell quality parameters (shell thickness, shell deformation and
shell breaking strength), and eggs’ chemical composition (dry matter,
minerals, protein and lipids). Generally, Isa Brown hens had better
production performance than New Hampshire hens. At the same time,
organic New Hampshire layers performed better than floor-reared ones.
Genotype had a significant effect on all ten egg quality parameters
(external, internal and eggshell quality), rearing system independently
affected only egg weight, and the interaction of the observed factors
significantly influenced seven parameters. Genotype had a significant
effect on three of the four chemical composition parameters, while no
significant effect of the rearing system was established on the chemical
composition of eggs. The rearing system x genotype interaction
significantly affected the eggs’ protein content.
PB  - Fundação APINCO de Ciência e Tecnologia Avícolas
T2  - Brazilian Journal of Poultry Science
T1  - Production Performance and Egg Quality of Laying Hens as Influenced by Genotype and Rearing System
VL  - 23
IS  - 02
SP  - 001
EP  - 008
DO  - 10.1590/1806-9061-2019-1045
ER  - 

@article{
author = "Rakonjac, Simeon and Dosković, Vladimir and Bogosavljević-Bošković, Snežana and Škrbić, Zdenka and Lukić, Miloš and Petričević, Veselin and Petrović, Milun D.",
year = "2021",
abstract = "The aim of this study was to evaluate the effect of rearing systems
and genotypes on production performance and egg quality. Isa Brown
and New Hampshire genotypes were used in this study. These two
genotypes were housed in floor and organic rearing systems. During the
experimental period, which lasted one year (52 weeks), the following
production performance parameters were recorded: egg production,
daily egg mass, feed consumption, feed conversion efficiency, and
mortality. Fifteen eggs per group were collected for analysis at 64 weeks
of hen age. These samples were evaluated for external parameters
(egg weight and egg shape index), internal parameters (albumen
height, Haugh unit, and the proportions of albumen, yolk and shell),
eggshell quality parameters (shell thickness, shell deformation and
shell breaking strength), and eggs’ chemical composition (dry matter,
minerals, protein and lipids). Generally, Isa Brown hens had better
production performance than New Hampshire hens. At the same time,
organic New Hampshire layers performed better than floor-reared ones.
Genotype had a significant effect on all ten egg quality parameters
(external, internal and eggshell quality), rearing system independently
affected only egg weight, and the interaction of the observed factors
significantly influenced seven parameters. Genotype had a significant
effect on three of the four chemical composition parameters, while no
significant effect of the rearing system was established on the chemical
composition of eggs. The rearing system x genotype interaction
significantly affected the eggs’ protein content.",
publisher = "Fundação APINCO de Ciência e Tecnologia Avícolas",
journal = "Brazilian Journal of Poultry Science",
title = "Production Performance and Egg Quality of Laying Hens as Influenced by Genotype and Rearing System",
volume = "23",
number = "02",
pages = "001-008",
doi = "10.1590/1806-9061-2019-1045"
}

Rakonjac, S., Dosković, V., Bogosavljević-Bošković, S., Škrbić, Z., Lukić, M., Petričević, V.,& Petrović, M. D.. (2021). Production Performance and Egg Quality of Laying Hens as Influenced by Genotype and Rearing System. in Brazilian Journal of Poultry Science
Fundação APINCO de Ciência e Tecnologia Avícolas., 23(02), 001-008.
https://doi.org/10.1590/1806-9061-2019-1045

Rakonjac S, Dosković V, Bogosavljević-Bošković S, Škrbić Z, Lukić M, Petričević V, Petrović MD. Production Performance and Egg Quality of Laying Hens as Influenced by Genotype and Rearing System. in Brazilian Journal of Poultry Science. 2021;23(02):001-008.
doi:10.1590/1806-9061-2019-1045 .

Rakonjac, Simeon, Dosković, Vladimir, Bogosavljević-Bošković, Snežana, Škrbić, Zdenka, Lukić, Miloš, Petričević, Veselin, Petrović, Milun D., "Production Performance and Egg Quality of Laying Hens as Influenced by Genotype and Rearing System" in Brazilian Journal of Poultry Science, 23, no. 02 (2021):001-008,
https://doi.org/10.1590/1806-9061-2019-1045 . .

TY  - CONF
AU  - Dosković, Vladimir
AU  - Bogosavljević-Bošković, Snežana
AU  - Milošević, Božidar
AU  - Škrbić, Zdenka
AU  - Lukić, Miloš
AU  - Rakonjac, Simeon
AU  - Petričević, Veselin
PY  - 2021
UR  - http://r.istocar.bg.ac.rs/handle/123456789/757
AB  - This study compared weight and percent yields of primal
carcass cuts of commercial fast-growing broiler - Cobb 500 and medium-growing
broiler genotype - Master Gris. Three hundred Cobb 500 chickens and three
hundred Master Gris chickens were used for the experiment. Feed and water were
provided ad-libitum. Treatments were: T1 - corn-soybean meal based control diet;
T2: T1 − 4.0% crude protein than in the control diet + 0.2% protease and T3: T1 −
6.0% crude protein than in the control diet + 0.3% protease. Chickens were
slaughtered at 49 days of age. Medium-growing hybrid Master Gris had a lower
weight of all primal carcass cuts and breast yield (as a percentage of ready-to-grill
carcass weight), as well as higher thighs, drumsticks, wings and pelvis yields in
comparison with the Cobb 500 broilers (P<0.05), except back yield (P>0.05). Also,
the addition of protease to broiler feed had no significant effect on the weight and
percent yields of primal carcass cuts (P>0.05).
C3  - Proceedings of the 13th International Symposium Modern Trends in Livestock Production, October 6 – 8, 2021, Belgrade, Serbia
T1  - Effects of genotype and protease enzyme supplementation on the primal carcass cuts of chickens
SP  - 516
EP  - 523
UR  - https://hdl.handle.net/21.15107/rcub_ristocar_757
ER  - 

@conference{
author = "Dosković, Vladimir and Bogosavljević-Bošković, Snežana and Milošević, Božidar and Škrbić, Zdenka and Lukić, Miloš and Rakonjac, Simeon and Petričević, Veselin",
year = "2021",
abstract = "This study compared weight and percent yields of primal
carcass cuts of commercial fast-growing broiler - Cobb 500 and medium-growing
broiler genotype - Master Gris. Three hundred Cobb 500 chickens and three
hundred Master Gris chickens were used for the experiment. Feed and water were
provided ad-libitum. Treatments were: T1 - corn-soybean meal based control diet;
T2: T1 − 4.0% crude protein than in the control diet + 0.2% protease and T3: T1 −
6.0% crude protein than in the control diet + 0.3% protease. Chickens were
slaughtered at 49 days of age. Medium-growing hybrid Master Gris had a lower
weight of all primal carcass cuts and breast yield (as a percentage of ready-to-grill
carcass weight), as well as higher thighs, drumsticks, wings and pelvis yields in
comparison with the Cobb 500 broilers (P<0.05), except back yield (P>0.05). Also,
the addition of protease to broiler feed had no significant effect on the weight and
percent yields of primal carcass cuts (P>0.05).",
journal = "Proceedings of the 13th International Symposium Modern Trends in Livestock Production, October 6 – 8, 2021, Belgrade, Serbia",
title = "Effects of genotype and protease enzyme supplementation on the primal carcass cuts of chickens",
pages = "516-523",
url = "https://hdl.handle.net/21.15107/rcub_ristocar_757"
}

Dosković, V., Bogosavljević-Bošković, S., Milošević, B., Škrbić, Z., Lukić, M., Rakonjac, S.,& Petričević, V.. (2021). Effects of genotype and protease enzyme supplementation on the primal carcass cuts of chickens. in Proceedings of the 13th International Symposium Modern Trends in Livestock Production, October 6 – 8, 2021, Belgrade, Serbia, 516-523.
https://hdl.handle.net/21.15107/rcub_ristocar_757

Dosković V, Bogosavljević-Bošković S, Milošević B, Škrbić Z, Lukić M, Rakonjac S, Petričević V. Effects of genotype and protease enzyme supplementation on the primal carcass cuts of chickens. in Proceedings of the 13th International Symposium Modern Trends in Livestock Production, October 6 – 8, 2021, Belgrade, Serbia. 2021;:516-523.
https://hdl.handle.net/21.15107/rcub_ristocar_757 .

Dosković, Vladimir, Bogosavljević-Bošković, Snežana, Milošević, Božidar, Škrbić, Zdenka, Lukić, Miloš, Rakonjac, Simeon, Petričević, Veselin, "Effects of genotype and protease enzyme supplementation on the primal carcass cuts of chickens" in Proceedings of the 13th International Symposium Modern Trends in Livestock Production, October 6 – 8, 2021, Belgrade, Serbia (2021):516-523,
https://hdl.handle.net/21.15107/rcub_ristocar_757 .