S Zheng, Y Tang, W Huang, W Zhang, Y Zhang, M Yang, H Lu, Z Li, Y He, X Qiu, Y Liu, Z Gou, Z Qiu, Y Bin, Z Zhang, H Gao, W Wang, J Peng, Y Huang, Y Liang
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Supplementing with SAG and CAG significantly increased the weight gain in male pigeons from 1-12 d of incubation. However, SAG and CAG had no significant effect on the feed intake of breeding pigeons during incubation, but significantly increased total feed intake of breeding pigeons during the lactation period. Breeder pigeons fed SAG and CAG had significantly higher egg-laying rate at 40 d. In addition, feeding SAG and CAG significantly increased growth rate and slaughter weight of squabs, but SAG reduced the diameter of pectoral muscle fibres. Biochemical indices showed that feeding SAG and CAG improved metabolism and increased the liver function of breeder pigeons and squabs.4. 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引用次数: 0
摘要
1.这项研究评估了不同类型的酸化剂对种鸽繁殖性能、体重减轻和血浆生化指标的影响,以及对乳鸽生长性能、胴体特征、肉质和血浆生化指标的影响。 2. 在一项为期 45 天的试验中,选取了 144 对欧洲白米马斯鸽子,并将其随机分为三个试验组。3. 添加 SAG 和 CAG 能显著提高雄鸽孵化 1-12 d 的增重。然而,SAG 和 CAG 对孵化期种鸽的采食量没有明显影响,但对哺乳期种鸽的总采食量有明显提高。此外,饲喂 SAG 和 CAG 能显著提高乳鸽的生长速度和屠宰体重,但 SAG 会降低胸肌纤维的直径。生化指标显示,饲喂 SAG 和 CAG 改善了种鸽和乳鸽的新陈代谢,提高了肝功能。 总之,在鸽砂中添加酸化剂可提高种鸽哺乳期的采食量,保护肝功能,提高繁殖性能,促进乳鸽的生长发育。
Supplementing pigeon grit with acidifier improves metabolism and the reproductive performance of breeding pigeons as well as the development of growth performance of squabs.
1. This study evaluated the effectiveness of different types of acidifiers on reproductive performance, body weight loss and plasma biochemical indices of breeding pigeons as well as on growth performance, carcass characteristics, meat quality and plasma biochemical indices of squabs.2. In a 45 d trial, 144 pairs of European white Mimas pigeons were selected and randomly divided into three experimental groups. Three groups of pigeons were fed plain pigeon grit (NC), pigeon grit supplemented with 5% single acidifier (SAG) and pigeon grit supplemented with 5% combined acidifiers (CAG).3. Supplementing with SAG and CAG significantly increased the weight gain in male pigeons from 1-12 d of incubation. However, SAG and CAG had no significant effect on the feed intake of breeding pigeons during incubation, but significantly increased total feed intake of breeding pigeons during the lactation period. Breeder pigeons fed SAG and CAG had significantly higher egg-laying rate at 40 d. In addition, feeding SAG and CAG significantly increased growth rate and slaughter weight of squabs, but SAG reduced the diameter of pectoral muscle fibres. Biochemical indices showed that feeding SAG and CAG improved metabolism and increased the liver function of breeder pigeons and squabs.4. In conclusion, supplementing pigeon grit with acidifiers increased feed intake of breeding pigeons during lactation, protected liver function, enhanced reproductive performance and promoted the growth and development of squabs.
期刊介绍:
From its first volume in 1960, British Poultry Science has been a leading international journal for poultry scientists and advisers to the poultry industry throughout the world. Over 60% of the independently refereed papers published originate outside the UK. Most typically they report the results of biological studies with an experimental approach which either make an original contribution to fundamental science or are of obvious application to the industry. Subjects which are covered include: anatomy, embryology, biochemistry, biophysics, physiology, reproduction and genetics, behaviour, microbiology, endocrinology, nutrition, environmental science, food science, feeding stuffs and feeding, management and housing welfare, breeding, hatching, poultry meat and egg yields and quality.Papers that adopt a modelling approach or describe the scientific background to new equipment or apparatus directly relevant to the industry are also published. The journal also features rapid publication of Short Communications. Summaries of papers presented at the Spring Meeting of the UK Branch of the WPSA are published in British Poultry Abstracts .