信宜怀乡鸡生长和肉用性能测定结果

Determination of growth and meat performance for Xinyi Huaixiang Chicken

笔者选用信宜怀乡鸡商品雏120只,分为公、母2个处理组,每个处理组有4个重复,每个重复15只,进行了0周龄~16周龄的饲养试验,旨在探讨怀乡鸡的生长与肉用性能。结果表明,16周龄公、母鸡体重分别为1744 g和1590 g,差异显著（P〈0.05）;16周龄屠宰性能,总体趋势是公鸡大于母鸡,差异显著（P〈0.05）,而腹脂重、肌间脂肪宽和皮下脂肪厚为母鸡大于公鸡,差异显著（P〈0.05）;16周龄肌肉品质,胸、腿肌的粗蛋白含量均是公鸡显著高于母鸡（P〈0.05）,而粗脂肪含量均是母鸡高于公鸡,差异显著（P〈0.05）。

This feeding experiment lasted for 16 weeks was conducted to investigate the growth performance and meat quality of purebred Huaixiang Chickens. 120 huaixiang chickens were selected and divided by sex into 2 treatment groups for 4 replicates of 15 birds each. Results showed that There wase a significant difference in body weight between males and females （P〈0.05） in final body weight with 1744 g and 1590 g respectively ; Abdominal fat, intramuscular fat length and subcutaneous fat were significantly （P〈0.05） higher in females than in males. The crude protein content for the breast and leg meat were significantly （P〈0.05） higher in males than in females and fat content for the breast and leg meat were significantly （P〈0.05） higher in females than in males.