Impact of early feeding of highly available carbohydrate source on subsequent growth performance, carcass traits, blood biochemical parameters, and intestinal morphology of broilers

IF 1.6 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE Journal of Applied Poultry Research Pub Date : 2023-12-15 DOI:10.1016/j.japr.2023.100399

A.R. Rostamkhani , M.H. Shahir , A. Lemme , I.J. Anarkooli , Z. Abdi

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Abstract

The aim of this study was to investigate the effects of early dextrose (Dex) feeding on subsequent growth performance of broilers. A total of 700 male day-old broiler chicks were randomly allocated into 50 floor pens (in a balanced completely randomized design with 2 treatments) receiving either a control corn–soybean meal-based diet (control treatment) or a diet in which corn was partially (5%) replaced by Dex Monohydrate (Dex treatment). The performance data were recorded at 7, 20, 30, 40 d. Samples of the birds were slaughtered at 7, and 40 d of age, and their carcass, serum, and intestinal morphology traits were analyzed. The results showed that early feeding of the Dex resulted in significant improvement in weight gain (WG) during d 1 to 7 (P < 0.01), 21-30 (P < 0.05), and 1-40 (P < 0.01), as well as the carcass traits at d 40 (P < 0.05). Feeding Dex increased serum glucose, total protein, globulin, triiodothyronine (T3), and T₃/T₄ ratio (P < 0.05). Duodenal villi height, crypt depth, and villus to crypt ratio (V/C) were affected (P < 0.05) by early Dex feeding. In conclusion, early feeding of a highly available carbohydrate source (Dex) improves subsequent growth performance and carcass traits of broilers.

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早期饲喂高碳水化合物源对肉鸡后续生长性能、胴体性状、血液生化指标和肠道形态的影响运行标题：肉鸡早期饲喂葡萄糖

本研究旨在探讨早期饲喂葡萄糖（Dex）对肉鸡后续生长性能的影响。研究人员将 700 只日龄雄性肉用仔鸡随机分配到 50 个底栏（采用完全随机平衡设计，有两种处理方法），分别饲喂以玉米-豆粕为基础的对照组日粮（对照组处理方法）或以一水地塞米松替代部分玉米（5%）的日粮（地塞米松处理方法）。在 7、20、30 和 40 日龄时屠宰样品，分析其胴体、血清和肠道形态特征。结果表明，早期饲喂 Dex 可显著提高第 1-7 d（P<0.01）、21-30 d（P<0.05）和 1-40 d（P<0.01）的增重（WG），以及第 40 d 的胴体性状（P<0.05）。饲喂 Dex 可增加血清葡萄糖、总蛋白、球蛋白、三碘甲状腺原氨酸（T3）和 T3/T4 比值（P<0.05）。早期喂食 Dex 会影响十二指肠绒毛高度、隐窝深度和绒毛与隐窝比率（V/C）（P<0.05）。总之，早期饲喂高碳水化合物来源（Dex）可提高肉鸡的后续生长性能和胴体性状。

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来源期刊

Journal of Applied Poultry Research 农林科学-奶制品与动物科学

CiteScore

4.10

自引率

10.50%

发文量

审稿时长

104 days

期刊介绍： The Journal of Applied Poultry Research (JAPR) publishes original research reports, field reports, and reviews on breeding, hatching, health and disease, layer management, meat bird processing and products, meat bird management, microbiology, food safety, nutrition, environment, sanitation, welfare, and economics. As of January 2020, JAPR will become an Open Access journal with no subscription charges, meaning authors who publish here can make their research immediately, permanently, and freely accessible worldwide while retaining copyright to their work. Papers submitted for publication after October 1, 2019 will be published as Open Access papers. The readers of JAPR are in education, extension, industry, and government, including research, teaching, administration, veterinary medicine, management, production, quality assurance, product development, and technical services. Nutritionists, breeder flock supervisors, production managers, microbiologists, laboratory personnel, food safety and sanitation managers, poultry processing managers, feed manufacturers, and egg producers use JAPR to keep up with current applied poultry research.