不同牛场新疆褐牛体重与体尺指标的相关及差异性分析

Correlation and Difference Analysis of Body Weight and Body Size Indicators of Xinjiang Brown Cattle in Different Fields

中文关键词: 新疆褐牛  生长阶段  体重  体尺  相关性

英文关键词: Xinjiang brown cattle  growth stage  body weight  body size  relevance

中文摘要:

      为提升新疆褐牛品种选育水平，评估不同养殖场的新疆褐牛选育成效，本研究以 2021-2025 年 5 个种畜场 6 月龄、12 月龄、18 月龄、24 月龄新疆褐牛为研究对象，持续跟踪测定其体重、体高、体斜长、胸围和管围等数据并进行差异性及相关性分析。结果表明，6 月龄时，场 5 新疆褐牛的体高、胸围显著高于场 1（P≤0.05），场 3 新疆褐牛的体斜长显著高于场 1；12 月龄时，场 4 新疆褐牛的体高显著高于场 2（P≤0.05），场 3 新疆褐牛的胸围显著高于场 1 和场 2（P≤0.05）；18 月龄时，场 3 新疆褐牛的体斜长显著高于场 2（P≤0.05），场 3 和场 4 新疆褐牛的胸围显著高于场 2（P≤0.05）；24 月龄时，各种畜场之间新疆褐牛的体尺和体重均无显著差异（P>0.05）。各种畜场新疆褐牛不同生长阶段体重和体尺指标间均呈极显著正相关（P≤0.01）。

英文摘要:

      To enhance the breeding level of Xinjiang brown cattle and evaluate the breeding effectiveness in different farms, this study selected 6-month-old, 12-month-old, 18-month-old, and 24-month-old Xinjiang brown cattle from five breeding farms between 2021 and 2025 as the research objects, continuously tracking and measuring data such as body weight, body height, body length, chest circumference, and tube circumference, and conducting differential and correlation analysis. The results showed that at 6 months of age, the body height and chest circumference of Xinjiang brown cattle from Farm 5 were significantly higher than those from Farm 1 (P ≤0.05), while the body length of Xinjiang brown cattle from Farm 3 was significantly higher than that from Farm 1. At 12 months of age, the body height of Xinjiang brown cattle from Farm 4 was significantly higher than that from Farm 2 (P ≤0.05), and the chest circumference of Xinjiang brown cattle from Farm 3 was significantly higher than that from Farm 1 and Farm 2 (P ≤0.05). At 18 months of age, the body length of Xinjiang brown cattle from Farm 3 was significantly higher than that from Farm 2 ( P≤0.05), and the chest circumference of Xinjiang brown cattle from Farms 3 and 4 was significantly higher than that from Farm 2 (P≤0.05). At 24 months of age, there were no significant differences in body size and weight among Xinjiang brown cattle from various farms (P>0.05). Significant positive correlations were observed between body weight and body size at different growth stages of Xinjiang Brown cattle from all farms (P ≤0.01).