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Influence of rearing system on growth of bulls in performance test

Uticaj načina odgajivanja do zalučenja na rast bikova u performans testu

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2002
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Authors
Bogdanović, Vladan
Petrović, Milan M.
Article (Published version)
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Abstract
Data on 643 beef bulls were used in order to analyze influence of rearing system or herd of origin on growth traits (average daily gain and body masses) of beef bulls in performance test (Marchigiana, n= 181, Chianina, n=240, Romagnola, n=222). Several fixed or random effects, such as breed, type of rearing or herd of origin, group, parity and twinning, were included in two statistical models. According to rearing system (in stall, on pasture or mixed) it should be pointed out that several different sources of variation for growth traits evince statistical significance. Also, herd of origin represents very significant source of variation for all included traits. The main difference between those two factors (type of rearing system or herd of origin) is that influence of rearing system decreased during the test, while the effect of herd of origin remained until the end of test. It was concluded that the adequate determination of non-genetic sources of variation referring to the pre-test... system of rearing might be of crucial importance for ranking potential sires.

U cilju ispitivanja uticaja koji ostvaruje matična farma, odnosno način odgajivanja do zalučenja na osobine porasta tovnih bikova u performans testu. analizirani su rezultati iz testa bikova 3 italijanske. tovne rase. Podaci su obuhvatali bikove rođene u periodu od 1988-93., odnosno testirane od 1988-94. Ispitivanjem su obuhvaćeni bikovi rase Marčiđana (n=181). Kijanina (n=240) i Romanjola (n=222). Dva statistička modela upotrebljena za analizu pretestnog uticaja načina odgajivanja uključivala su uticaje rase, tipa držanja ili matične fame, grupe, kao i tipa i reda telenja. U odnosu na to koji je sistem gajenja primenjen pre testa (vezani, slobodni ili poluslobodni) treba posmatrati i moguće izvore varijacija koji su prisutni, a koji se ispoljavaju u okviru načina držanja. I način držanja i farma su predstavljali veoma značajan (P (lt) 0.001) izvor varijacija za sve osobine porasta. Za razliku od načina držanja čiji se uticaj smanjuje nakon uzrasta od godinu dana, farma kao izvor fenot...ipske varijabilnosti zadržava značajan uticaj i u toku i na kraju testa. Pravilno determinisanje uticaja koji su u vezi sa pretestnim načinom držanja bikova doprinosi da se formuliše adekvatan model koji će se koristiti kako za procenu komponenti varijanse ekonomski značajnih osobina za rangiranje potencijalnih priplodnjaka.

Keywords:
tovne rase goveda / bikovi / performans test / osobine porasta / matična farma
Source:
Biotechnology in Animal Husbandry, 2002, 18, 1-2, 3-10
Publisher:
  • Institute for Animal Husbandry, Belgrade

DOI: 10.2298/BAH0202003B

ISSN: 1450-9156

[ Google Scholar ]
URI
http://r.istocar.bg.ac.rs/handle/123456789/14
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
RIStocar
TY  - JOUR
AU  - Bogdanović, Vladan
AU  - Petrović, Milan M.
PY  - 2002
UR  - http://r.istocar.bg.ac.rs/handle/123456789/14
AB  - Data on 643 beef bulls were used in order to analyze influence of rearing system or herd of origin on growth traits (average daily gain and body masses) of beef bulls in performance test (Marchigiana, n= 181, Chianina, n=240, Romagnola, n=222). Several fixed or random effects, such as breed, type of rearing or herd of origin, group, parity and twinning, were included in two statistical models. According to rearing system (in stall, on pasture or mixed) it should be pointed out that several different sources of variation for growth traits evince statistical significance. Also, herd of origin represents very significant source of variation for all included traits. The main difference between those two factors (type of rearing system or herd of origin) is that influence of rearing system decreased during the test, while the effect of herd of origin remained until the end of test. It was concluded that the adequate determination of non-genetic sources of variation referring to the pre-test system of rearing might be of crucial importance for ranking potential sires.
AB  - U cilju ispitivanja uticaja koji ostvaruje matična farma, odnosno način odgajivanja do zalučenja na osobine porasta tovnih bikova u performans testu. analizirani su rezultati iz testa bikova 3 italijanske. tovne rase. Podaci su obuhvatali bikove rođene u periodu od 1988-93., odnosno testirane od 1988-94. Ispitivanjem su obuhvaćeni bikovi rase Marčiđana (n=181). Kijanina (n=240) i Romanjola (n=222). Dva statistička modela upotrebljena za analizu pretestnog uticaja načina odgajivanja uključivala su uticaje rase, tipa držanja ili matične fame, grupe, kao i tipa i reda telenja. U odnosu na to koji je sistem gajenja primenjen pre testa (vezani, slobodni ili poluslobodni) treba posmatrati i moguće izvore varijacija koji su prisutni, a koji se ispoljavaju u okviru načina držanja. I način držanja i farma su predstavljali veoma značajan (P (lt) 0.001) izvor varijacija za sve osobine porasta. Za razliku od načina držanja čiji se uticaj smanjuje nakon uzrasta od godinu dana, farma kao izvor fenotipske varijabilnosti zadržava značajan uticaj i u toku i na kraju testa. Pravilno determinisanje uticaja koji su u vezi sa pretestnim načinom držanja bikova doprinosi da se formuliše adekvatan model koji će se koristiti kako za procenu komponenti varijanse ekonomski značajnih osobina za rangiranje potencijalnih priplodnjaka.
PB  - Institute for Animal Husbandry, Belgrade
T2  - Biotechnology in Animal Husbandry
T1  - Influence of rearing system on growth of bulls in performance test
T1  - Uticaj načina odgajivanja do zalučenja na rast bikova u performans testu
VL  - 18
IS  - 1-2
SP  - 3
EP  - 10
DO  - 10.2298/BAH0202003B
UR  - Konv_358
ER  - 
@article{
author = "Bogdanović, Vladan and Petrović, Milan M.",
year = "2002",
abstract = "Data on 643 beef bulls were used in order to analyze influence of rearing system or herd of origin on growth traits (average daily gain and body masses) of beef bulls in performance test (Marchigiana, n= 181, Chianina, n=240, Romagnola, n=222). Several fixed or random effects, such as breed, type of rearing or herd of origin, group, parity and twinning, were included in two statistical models. According to rearing system (in stall, on pasture or mixed) it should be pointed out that several different sources of variation for growth traits evince statistical significance. Also, herd of origin represents very significant source of variation for all included traits. The main difference between those two factors (type of rearing system or herd of origin) is that influence of rearing system decreased during the test, while the effect of herd of origin remained until the end of test. It was concluded that the adequate determination of non-genetic sources of variation referring to the pre-test system of rearing might be of crucial importance for ranking potential sires., U cilju ispitivanja uticaja koji ostvaruje matična farma, odnosno način odgajivanja do zalučenja na osobine porasta tovnih bikova u performans testu. analizirani su rezultati iz testa bikova 3 italijanske. tovne rase. Podaci su obuhvatali bikove rođene u periodu od 1988-93., odnosno testirane od 1988-94. Ispitivanjem su obuhvaćeni bikovi rase Marčiđana (n=181). Kijanina (n=240) i Romanjola (n=222). Dva statistička modela upotrebljena za analizu pretestnog uticaja načina odgajivanja uključivala su uticaje rase, tipa držanja ili matične fame, grupe, kao i tipa i reda telenja. U odnosu na to koji je sistem gajenja primenjen pre testa (vezani, slobodni ili poluslobodni) treba posmatrati i moguće izvore varijacija koji su prisutni, a koji se ispoljavaju u okviru načina držanja. I način držanja i farma su predstavljali veoma značajan (P (lt) 0.001) izvor varijacija za sve osobine porasta. Za razliku od načina držanja čiji se uticaj smanjuje nakon uzrasta od godinu dana, farma kao izvor fenotipske varijabilnosti zadržava značajan uticaj i u toku i na kraju testa. Pravilno determinisanje uticaja koji su u vezi sa pretestnim načinom držanja bikova doprinosi da se formuliše adekvatan model koji će se koristiti kako za procenu komponenti varijanse ekonomski značajnih osobina za rangiranje potencijalnih priplodnjaka.",
publisher = "Institute for Animal Husbandry, Belgrade",
journal = "Biotechnology in Animal Husbandry",
title = "Influence of rearing system on growth of bulls in performance test, Uticaj načina odgajivanja do zalučenja na rast bikova u performans testu",
volume = "18",
number = "1-2",
pages = "3-10",
doi = "10.2298/BAH0202003B",
url = "Konv_358"
}
Bogdanović, V.,& Petrović, M. M.. (2002). Influence of rearing system on growth of bulls in performance test. in Biotechnology in Animal Husbandry
Institute for Animal Husbandry, Belgrade., 18(1-2), 3-10.
https://doi.org/10.2298/BAH0202003B
Konv_358
Bogdanović V, Petrović MM. Influence of rearing system on growth of bulls in performance test. in Biotechnology in Animal Husbandry. 2002;18(1-2):3-10.
doi:10.2298/BAH0202003B
Konv_358 .
Bogdanović, Vladan, Petrović, Milan M., "Influence of rearing system on growth of bulls in performance test" in Biotechnology in Animal Husbandry, 18, no. 1-2 (2002):3-10,
https://doi.org/10.2298/BAH0202003B .,
Konv_358 .

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