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Slaughter Performance, Muscle Quality and Nutritional Components of Twenty-four-month-old Tibetan Goats
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作者 周明亮 王燕军 +5 位作者 毛进彬 陈明华 阿龙呷 肖文平 庞倩 杨平贵 《Agricultural Science & Technology》 CAS 2017年第4期673-677,682,共6页
[Objective] This study was conducted to understand goat germplasm char- acteristics. [Method] With some 24-month-old males and females Tibet goats as experimental materials, a slaughter experiment was carried out to d... [Objective] This study was conducted to understand goat germplasm char- acteristics. [Method] With some 24-month-old males and females Tibet goats as experimental materials, a slaughter experiment was carried out to determine their slaughter performance, muscle quality and muscle nutritional components. [Result] The body weights of males and females before slaughter were (20.16±1.26) and (19.33±4.86) kg, respectively; the dressing percentages of males and females were (43.86±1.74)% and (44.08±5.46)%, respectively; the meat percentages were (32.43± 1.52)% and (32.72±3.97)%, respectively; and the meat production rates of carcass were (73.28±0.09)% and (73.16±0.85)%, respectively. There were less differences in carcass measurements, carcass segmentation, muscle quality, muscle fiber charac- teristics, muscle nutritional components, muscle mineral contents and heavy metal contents between males and females, while eye muscle area and hind leg meat weight of males were significantly higher than those of females. In muscles of males and females, 18 amino acids were detected totally, EAA/TAA values were (39.23±0.24)% and (38.70±0.15)%, respectively, and EAA/NEAA values were (64.73± 0.65)% and (63.17±0.41)%, respectively. [Conclusion] This study lays a foundation for overall understanding of germplasm characteristics of Tibetan goats. 展开更多
关键词 tibetan goat Slaughter performance Muscle quality Amino acid
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Slaughter Performance, Muscle Quality and Muscle Nutrients of Twelve-month-old Tibetan Goat
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作者 杨平贵 周明亮 +5 位作者 王燕军 毛进彬 陈明华 阿龙呷 肖文平 庞倩 《Agricultural Science & Technology》 CAS 2016年第12期2837-2841,2849,共6页
This study aimed to study the germplasm characteristics of Tibetan goat distributed in Sichuan. Three male and three female goats of twelve-month-old Ti-betan goat were selected, and they were slaughtered for analysis... This study aimed to study the germplasm characteristics of Tibetan goat distributed in Sichuan. Three male and three female goats of twelve-month-old Ti-betan goat were selected, and they were slaughtered for analysis of slaughter per-formance, muscle quality and muscle nutrients. The results showed that the pre-slaughter body weights, dressing percentages, meat percentages and carcass meat production rates of male and female Tibetan goats were (14.33±1.53) and (12.50±2.18) kg, (42.11±5.26)% and (43.85±4.51)%, (31.34±3.36)% and (32.84±3.16)%, and (72.34±0.54)% and (72.30±0.78)%, respectively. There were smal differences in car-cass size, carcass segmentation, muscle fiber properties, muscle quality, muscle nu-tritional composition, muscle minerals contents and muscle heavy metals contents between male and female Tibetan goats. A total of 18 kinds of amino acids were detected in the muscle of male and female Tibetan goats. The EAA/TAA ratios and EAA/NEAA ratios of male and female Tibetan goats were (39.18&#177;0.38)%and (38.70±0.72)%, and (64.31±1.03)% and (63.21±1.92)%, respectively. 展开更多
关键词 tibetan goat Slaughter performance Muscle quality Nutritional compo-nents
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