ANALYSIS OF ENVIRONMENTAL AND GENETIC EFFECTS ON MAXIMUM DAILY GROWTH RATE FOR BALUCHI LAMBS OF ABBAS ABAD BREEDING CENTER OF MASHHAD

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SARAEE H.; FARHANGFAR H.; EMAM JOMEH KASHAN N.; NAEEMIPOUR YOUNESI H.

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Paper Information

Journal: ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ) Year:2013 | Volume:23 | Issue:1 Page(s): 29-40

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Title

ANALYSIS OF ENVIRONMENTAL AND GENETIC EFFECTS ON MAXIMUM DAILY GROWTH RATE FOR BALUCHI LAMBS OF ABBAS ABAD BREEDING CENTER OF MASHHAD

Author(s)

SARAEE H. | FARHANGFAR H. | EMAM JOMEH KASHAN N. | NAEEMIPOUR YOUNESI H. | Issue Writer Certificate

Keywords

BALUCHI SHEEPQ2

MAXIMUM DAILY GROWTH RATEQ2

GOMPERTZ NON-LINEAR MODELQ2

HERITABILITYQ2

Abstract

A total of 116, 984 weight records belonging to 12, 397 Baluchi lambs reared in Abbas Abad breeding center during 31 years (1978-2008) were used to analyze the environmental and genetic effects on MAXIMUM DAILY GROWTH RATE (MDGR). GOMPERTZ NON-LINEAR MODEL Wt( Z/B ) exp (-exp ( G0-B*t )) was fit on the weight records of individual lambs using non-linear procedure of SAS software. MDGR was estimated based on Z/e (e=2.71828) for each lamb.Average MDGR was 217.17 g (SE=0.57 g) in the whole data set. The results indicated that all factors included in the model had significant effects on MDGR. Regression coefficient of MDGR on birth weight was estimated to be 15.46 g (±0.84). Genetic parameters were estimated using restricted maximum likelihood method through implementing three animal models. Direct and maternal HERITABILITY estimates were found to be 0.055 and 0.019, respectively indicating that growth performance could be increased as the rearing environment of animals is improved.

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APA: Copy

SARAEE, H., FARHANGFAR, H., EMAM JOMEH KASHAN, N., & NAEEMIPOUR YOUNESI, H.. (2013). ANALYSIS OF ENVIRONMENTAL AND GENETIC EFFECTS ON MAXIMUM DAILY GROWTH RATE FOR BALUCHI LAMBS OF ABBAS ABAD BREEDING CENTER OF MASHHAD. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), 23(1 ), 29-40. SID. https://sid.ir/paper/147504/en

Vancouver: Copy

SARAEE H., FARHANGFAR H., EMAM JOMEH KASHAN N., NAEEMIPOUR YOUNESI H.. ANALYSIS OF ENVIRONMENTAL AND GENETIC EFFECTS ON MAXIMUM DAILY GROWTH RATE FOR BALUCHI LAMBS OF ABBAS ABAD BREEDING CENTER OF MASHHAD. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ)[Internet]. 2013;23(1 ):29-40. Available from: https://sid.ir/paper/147504/en

IEEE: Copy

H. SARAEE, H. FARHANGFAR, N. EMAM JOMEH KASHAN, and H. NAEEMIPOUR YOUNESI, “ANALYSIS OF ENVIRONMENTAL AND GENETIC EFFECTS ON MAXIMUM DAILY GROWTH RATE FOR BALUCHI LAMBS OF ABBAS ABAD BREEDING CENTER OF MASHHAD,” ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), vol. 23, no. 1 , pp. 29–40, 2013, [Online]. Available: https://sid.ir/paper/147504/en

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