INVESTIGATION OF GROWTH PERFORMANCE AND CARCASS CHARACTERISTICS IN CROSSBRED LAMBS OF SOME GENETIC GROUP

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ATEFI A.; SHOJA J.; RAFAT S.A.

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Paper Information

Journal: ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ) Year:2012 | Volume:21 | Issue:3 Page(s): 1-8

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Title

INVESTIGATION OF GROWTH PERFORMANCE AND CARCASS CHARACTERISTICS IN CROSSBRED LAMBS OF SOME GENETIC GROUP

Author(s)

ATEFI A. | SHOJA J. | RAFAT S.A. | Issue Writer Certificate

Keywords

CARCASSQ2

GENETIC GROUPQ2

LAMBQ1

CROSSBREDQ2

Abstract

In order to investigation of growth performance and CARCASS characteristics of LAMBs of 5 breeds (Moghani, Ghezel, Makuii, Baluchi and Arkhar Merinos), 268 CROSSBRED LAMBs were reared under field condition. Left side CARCASS was dissected and analysed based on Standard of Iran. The effect of genotype, birth type, sex and birth year were supposed as fixed effect. Statistical analysis was made by GLM procedure. Results showed any interations between effects. The LAMBs of 11 and 10 GENETIC GROUPs were investigated for growth and CARCASS traits. The effect of genotype on birth weight, average daily gain during 2th, 5th, and 6th period, average daily gain, cold and hot CARCASS weight, fat-tail weight and shoulder weight was significant (P<0.05). The lowest weight of fat-tail belonged to crossbreed LAMBs of Arkhar Merino and Ghezel breeds. The effect of birth type was significant on average daily gain during 1th period, cold and hot CARCASS weight and flank weight (p>0.05) and as expected, the higher amounts of these traits were found in single LAMBs. The effect of sex only were studied in growth performance and had significant effect on average daily gain during 5th, 6th period, average daily gain and final weight (p>0.05). As result, crossbreeding with Arkharmerinos breed can be proposed.

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APA: Copy

ATEFI, A., SHOJA, J., & RAFAT, S.A.. (2012). INVESTIGATION OF GROWTH PERFORMANCE AND CARCASS CHARACTERISTICS IN CROSSBRED LAMBS OF SOME GENETIC GROUP. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), 21(3), 1-8. SID. https://sid.ir/paper/147534/en

Vancouver: Copy

ATEFI A., SHOJA J., RAFAT S.A.. INVESTIGATION OF GROWTH PERFORMANCE AND CARCASS CHARACTERISTICS IN CROSSBRED LAMBS OF SOME GENETIC GROUP. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ)[Internet]. 2012;21(3):1-8. Available from: https://sid.ir/paper/147534/en

IEEE: Copy

A. ATEFI, J. SHOJA, and S.A. RAFAT, “INVESTIGATION OF GROWTH PERFORMANCE AND CARCASS CHARACTERISTICS IN CROSSBRED LAMBS OF SOME GENETIC GROUP,” ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), vol. 21, no. 3, pp. 1–8, 2012, [Online]. Available: https://sid.ir/paper/147534/en

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