Effect of genetic variation in ACADM on slaughter and meat quality traits in Guizhou black goat

IF 1.6 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Small Ruminant Research Pub Date : 2024-09-30 DOI:10.1016/j.smallrumres.2024.107376

Ziyang Li , Biao Zhou , Bo Zhou , Jiaqi Chen , Huan Liu , Xiang Chen , Yong Ruan

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引用次数: 0

Abstract

The Guizhou black goat is an excellent local goat breed in China, known for its resilience to coarse feed and adaptability to adverse conditions. However, due to hybridization, the production performance of the Guizhou black goat has declined. In this study, we slaughtered 60 Guizhou black goats to assess their slaughter performance and meat quality traits. We analyzed the effects of the ACADM gene on the variation in these traits, particularly focusing on its role in fat deposition and muscle development. Male goats had an overall better slaughter performance than female goats, with significant differences in pre-slaughter live weight, carcass weight, net meat weight, slaughtering percentage, and the thickness of back fat (P < 0.01). As for the meat quality traits, there were extremely significant differences in shear force (P < 0.01), and significant differences in meat color (a* and b* values) and pH value (P < 0.05) between male and female goats. The ACADM g.30914 G>A polymorphism was significantly associated with intramuscular fat content (P < 0.05). The observed association between polymorphisms in the ACADM gene of Guizhou black goats and intramuscular fat content suggests that this gene is a candidate molecular marker for selective breeding.

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ACADM遗传变异对贵州黑山羊屠宰和肉质性状的影响

贵州黑山羊是中国优秀的地方山羊品种，以耐粗饲料、适应恶劣环境而著称。然而，由于杂交，贵州黑山羊的生产性能有所下降。在本研究中，我们屠宰了 60 只黔黑山羊，以评估其屠宰性能和肉质性状。我们分析了ACADM基因对这些性状变异的影响，尤其关注其在脂肪沉积和肌肉发育中的作用。雄性山羊的总体屠宰性能优于雌性山羊，在宰前活重、胴体重、净肉重、屠宰率和背脂厚度方面差异显著（P < 0.01）。在肉质性状方面，公山羊和母山羊的剪切力差异极显著（P < 0.01），肉色（a*和b*值）和pH值差异显著（P < 0.05）。ACADM g.30914 G>A多态性与肌肉内脂肪含量显著相关（P <0.05）。黔南黑山羊 ACADM 基因多态性与肌内脂肪含量之间的关系表明，该基因是选育黑山羊的候选分子标记。

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来源期刊

Small Ruminant Research 农林科学-奶制品与动物科学

CiteScore

3.10

自引率

11.10%

发文量

210

审稿时长

12.5 weeks

期刊介绍： Small Ruminant Research publishes original, basic and applied research articles, technical notes, and review articles on research relating to goats, sheep, deer, the New World camelids llama, alpaca, vicuna and guanaco, and the Old World camels. Topics covered include nutrition, physiology, anatomy, genetics, microbiology, ethology, product technology, socio-economics, management, sustainability and environment, veterinary medicine and husbandry engineering.