Comparison of growth and carcass traits of Lori-Bakhtiari lambs and their crosses with Romanov and Pakistani breeds

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TALEBI MOHAMMAD ALI; BAGHERI MOHSEN

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Journal: Iranian Journal of Animal Science Year:2020 | Volume:50 | Issue:4 Page(s): 283-294

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Information Journal Paper

Title

Comparison of growth and carcass traits of Lori-Bakhtiari lambs and their crosses with Romanov and Pakistani breeds

Author(s)

TALEBI MOHAMMAD ALI | BAGHERI MOHSEN | Issue Writer Certificate

Keywords

CarcassQ1

crossbreedingQ2

growthQ1

Lori-BakhtiariQ1

PakistaniQ2

RomanovQ1

Abstract

This study was conducted to investigate the performance of growth and Carcass traits of Lori-Bakhtiari (L), Romanov×LoriBakhtiari (F1RL), Pakistani×Lori-Bakhtiari (F1PL), (Pakistani×Lori-Bakhtiari)×(Romanov×Lori-Bakhtiari) (¼ P¼ R½ L) and (Romanov×Lori-Bakhtiari)×(Romanov×Lori-Bakhtiari) (F2RL) crossbred lambs. Carcass characteristics of LoriBakhtiari (n=50), F1RL (n=41) and F2RL (n=20) crossbred lambs. Lambs were weaned at the age of 90 ± 5 days. Lambs were slaughtered at six month of age. Birth weight in Lori-Bakhtiari (5. 12 kg) was significantly (P<0. 05) higher than in Romanov (4. 81 kg) and Pakistani (4. 57 kg) crossbred. Weaning weight and body weight in six months were significantly higher (P<0. 05) in Romanov × Lori-Bakhtiari crossbred lambs (30. 96 and 42. 75, respectively) than in Lori-Bakhtiari (28. 81 and 41. 69, respectively) and others genetic compositions. F1RL and F2RL crossbred lambs for lean percentage were significantly (P<0. 05) higher than in Lori-Bakhtiari lambs in constant age (59. 57, 60. 57 and 50. 03, repectively) and in constant weight (60. 99, 59. 24 and 49. 56, repectively). Weight and percentage of total fat of Carcass in Lori-Bakhtiari lambs (7. 56 kg, 31. 57% in constant age 6. 65 kg, 30. 46% in constant weight, repectively) were significantly (P<0. 05) higher than of F1RL (4. 25 kg, 20. 91% and 4. 30 kg, 20. 08%, repectively) and F2RL (2. 95 kg, 17. 97% and 5. 12 kg, 22. 46%, repectively) lambs. In conclusion, crossbreeding between Romanov and Lori-Bakhtiari (F1) improves body weight at weaning and at six months of age, and Carcass composition.

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APA: Copy

TALEBI, MOHAMMAD ALI, & BAGHERI, MOHSEN. (2020). Comparison of growth and carcass traits of Lori-Bakhtiari lambs and their crosses with Romanov and Pakistani breeds. IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 50(4 ), 283-294. SID. https://sid.ir/paper/402713/en

Vancouver: Copy

TALEBI MOHAMMAD ALI, BAGHERI MOHSEN. Comparison of growth and carcass traits of Lori-Bakhtiari lambs and their crosses with Romanov and Pakistani breeds. IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2020;50(4 ):283-294. Available from: https://sid.ir/paper/402713/en

IEEE: Copy

MOHAMMAD ALI TALEBI, and MOHSEN BAGHERI, “Comparison of growth and carcass traits of Lori-Bakhtiari lambs and their crosses with Romanov and Pakistani breeds,” IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 50, no. 4 , pp. 283–294, 2020, [Online]. Available: https://sid.ir/paper/402713/en

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