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Effect of protease added in food on chicken carcase quality

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2020
bitstream_3834.pdf (749.6Kb)
Authors
Dosković, Vladimir
Bogosavljević-Bošković, Snežana
Škrbić, Zdenka
Lukić, Miloš
Rakonjac, Simeon
Petričević, Veselin
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Abstract
This study evaluates the effect of protease-supplemented diets containing different crude protein levels and sex on the weight and percent yields of individual meat classes (class I meat: breast, drumsticks and thighs; class II meat: wings, and class III meat back and pelvis) in Master Gris broilers (medium-growing strains). Chickens were fed maize-andsoybean- based diets. The fattening period lasted 49 days. Broilers were allocated to 3 dietary treatment groups: group C (standard diet, 0% protease), group E-I (0.2% protease, crude protein level reduced by 4% compared to C) and group E-II (0.3% protease, 6% reduction in crude protein compared to C). Results showed that no significant differences were observed in the weight of class I and class II meat between dietary treatments (P>0.05). Reduction of crude protein by 4% in diets supplemented with 0.2% protease affected the weight class III meat in male chickens (P<0.05). The feeding treatments did not influence the percentage... of class I and class III (P>0.05), while significant differences were observed in percentage of class II meat (between male broilers in C and E-I groups, P<0.05). The effect of sex was significant on both weight and percentage of all three meat categories (P<0.05).

Keywords:
broilers / protease / sex / class meat
Source:
Proceedings of the XI International Scientific Agricultural Symposium "Agrosym 2020", 2020, 829-834
Publisher:
  • University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia
  • University of Belgrade, Serbia
  • Institute of Agricultural Economics, Serbia
  • University of Belgrade, Faculty of Agriculture, Serbia
  • Mediterranean Agronomic Institute of Bari (CIHEAM - IAMB) Italy
  • Institute for Animal Science, Ss. Cyril and Methodius University in Skopje, Macedonia
  • Academy of Engineering Sciences of Serbia, Serbia
  • Balkan Scientific Association of Agricultural Economics
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200088 (University of Kragujevac, Faculty of Agronomy, Čačak) (RS-200088)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200022 (Institute for Animal Husbandry, Belgrade-Zemun) (RS-200022)

ISBN: 978-99976-787-5-1

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_ristocar_715
URI
http://r.istocar.bg.ac.rs/handle/123456789/715
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
RIStocar
TY  - CONF
AU  - Dosković, Vladimir
AU  - Bogosavljević-Bošković, Snežana
AU  - Škrbić, Zdenka
AU  - Lukić, Miloš
AU  - Rakonjac, Simeon
AU  - Petričević, Veselin
PY  - 2020
UR  - http://r.istocar.bg.ac.rs/handle/123456789/715
AB  - This study evaluates the effect of protease-supplemented diets containing different crude
protein levels and sex on the weight and percent yields of individual meat classes (class I
meat: breast, drumsticks and thighs; class II meat: wings, and class III meat back and
pelvis) in Master Gris broilers (medium-growing strains). Chickens were fed maize-andsoybean-
based diets. The fattening period lasted 49 days. Broilers were allocated to 3 dietary
treatment groups: group C (standard diet, 0% protease), group E-I (0.2% protease, crude
protein level reduced by 4% compared to C) and group E-II (0.3% protease, 6% reduction in
crude protein compared to C). Results showed that no significant differences were observed in
the weight of class I and class II meat between dietary treatments (P>0.05). Reduction of
crude protein by 4% in diets supplemented with 0.2% protease affected the weight class III
meat in male chickens (P<0.05). The feeding treatments did not influence the percentage of
class I and class III (P>0.05), while significant differences were observed in percentage of
class II meat (between male broilers in C and E-I groups, P<0.05). The effect of sex was
significant on both weight and percentage of all three meat categories (P<0.05).
PB  - University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia
PB  - University of Belgrade, Serbia
PB  - Institute of Agricultural Economics, Serbia
PB  - University of Belgrade, Faculty of Agriculture, Serbia
PB  - Mediterranean Agronomic Institute of Bari (CIHEAM - IAMB) Italy
PB  - Institute for Animal Science, Ss. Cyril and Methodius University in Skopje, Macedonia
PB  - Academy of Engineering Sciences of Serbia, Serbia
PB  - Balkan Scientific Association of Agricultural Economics
C3  - Proceedings of the XI International Scientific Agricultural Symposium "Agrosym 2020"
T1  - Effect of protease added in food on chicken carcase quality
SP  - 829
EP  - 834
UR  - https://hdl.handle.net/21.15107/rcub_ristocar_715
ER  - 
@conference{
author = "Dosković, Vladimir and Bogosavljević-Bošković, Snežana and Škrbić, Zdenka and Lukić, Miloš and Rakonjac, Simeon and Petričević, Veselin",
year = "2020",
abstract = "This study evaluates the effect of protease-supplemented diets containing different crude
protein levels and sex on the weight and percent yields of individual meat classes (class I
meat: breast, drumsticks and thighs; class II meat: wings, and class III meat back and
pelvis) in Master Gris broilers (medium-growing strains). Chickens were fed maize-andsoybean-
based diets. The fattening period lasted 49 days. Broilers were allocated to 3 dietary
treatment groups: group C (standard diet, 0% protease), group E-I (0.2% protease, crude
protein level reduced by 4% compared to C) and group E-II (0.3% protease, 6% reduction in
crude protein compared to C). Results showed that no significant differences were observed in
the weight of class I and class II meat between dietary treatments (P>0.05). Reduction of
crude protein by 4% in diets supplemented with 0.2% protease affected the weight class III
meat in male chickens (P<0.05). The feeding treatments did not influence the percentage of
class I and class III (P>0.05), while significant differences were observed in percentage of
class II meat (between male broilers in C and E-I groups, P<0.05). The effect of sex was
significant on both weight and percentage of all three meat categories (P<0.05).",
publisher = "University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia, University of Belgrade, Serbia, Institute of Agricultural Economics, Serbia, University of Belgrade, Faculty of Agriculture, Serbia, Mediterranean Agronomic Institute of Bari (CIHEAM - IAMB) Italy, Institute for Animal Science, Ss. Cyril and Methodius University in Skopje, Macedonia, Academy of Engineering Sciences of Serbia, Serbia, Balkan Scientific Association of Agricultural Economics",
journal = "Proceedings of the XI International Scientific Agricultural Symposium "Agrosym 2020"",
title = "Effect of protease added in food on chicken carcase quality",
pages = "829-834",
url = "https://hdl.handle.net/21.15107/rcub_ristocar_715"
}
Dosković, V., Bogosavljević-Bošković, S., Škrbić, Z., Lukić, M., Rakonjac, S.,& Petričević, V.. (2020). Effect of protease added in food on chicken carcase quality. in Proceedings of the XI International Scientific Agricultural Symposium "Agrosym 2020"
University of East Sarajevo, Faculty of Agriculture, Republic of Srpska, Bosnia., 829-834.
https://hdl.handle.net/21.15107/rcub_ristocar_715
Dosković V, Bogosavljević-Bošković S, Škrbić Z, Lukić M, Rakonjac S, Petričević V. Effect of protease added in food on chicken carcase quality. in Proceedings of the XI International Scientific Agricultural Symposium "Agrosym 2020". 2020;:829-834.
https://hdl.handle.net/21.15107/rcub_ristocar_715 .
Dosković, Vladimir, Bogosavljević-Bošković, Snežana, Škrbić, Zdenka, Lukić, Miloš, Rakonjac, Simeon, Petričević, Veselin, "Effect of protease added in food on chicken carcase quality" in Proceedings of the XI International Scientific Agricultural Symposium "Agrosym 2020" (2020):829-834,
https://hdl.handle.net/21.15107/rcub_ristocar_715 .

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