用不同粒径的金贻贝粉饲喂1 ~ 42日龄肉鸡。

IF 1.7 3区 农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE
D Jablonski, M S D Pavlak, A P Guimarães Cruz Costa, N Rohloff Junior, C Eyng, P C Pozza, J G de Vargas Junior, A A Calderano, B S Vieira, R A Bombardelli, L Castilha, G Silva Tesser, R V Nunes
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引用次数: 0

摘要

1. 本试验研究了不同粒径金贻贝粉(GMM)在肉鸡饲粮中添加对肉鸡生产性能、骨骼指标、血清生化和基因表达的影响。试验选用Cobb 500肉鸡雄性雏鸡900只,采用完全随机设计,分为5个处理,10个重复栏,每个栏18只,年龄为1 ~ 42 d。对照饲粮(方解石灰岩376 μm)和GMM 299、375、436和551 μm.4处理。1 ~ 21日龄,375 μm GMM提高了体增重(p = 0.041), 551 μm GMM提高了饲料系数(p = 0.009)。40日龄时,GMM 436 μm使血清天冬氨酸转氨酶水平升高(p = 0.046)。21日龄时,GMM 375 μm可显著提高肉仔鸡胫骨种子指数(p = 0.044)。饲粮gmm375显著提高了肉鸡股骨矿物质(MM)含量(p = 0.047)。饲喂551 μm GMM的肉鸡胫骨MM含量显著增加(p = 0.047)。在40日龄时,GMM 375 μm的肉鸡MM含量显著提高(p = 0.027)。299、436和551 μm GMM组股骨钙含量降低(p = 0.004), 375 μm GMM组胫骨磷含量升高(p = 0.003)。综上所述,1 ~ 42日龄肉仔鸡可选用不同粒径的GMM代替石灰石饲喂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The use of golden mussel meal of different particle sizes to feed broiler chickens aged 1-42 days.

1. This study evaluated the inclusion of golden mussel meal (GMM) of varying particle sizes in broiler chicken diets on performance, bone variables, serum biochemistry and gene expression.2. Male Cobb 500 broiler chicks (n = 900) were distributed in a completely randomised design, comprising five treatments, 10 replicate pens and 18 birds per pen, aged from 1 to 42 d.3. The treatments consisted of a control diet (calcite limestone 376 μm) and treatments GMM 299, 375, 436 and 551 μm.4. From 1 to 21 d of age, GMM 375 μm improved body weight gain (p = 0.041), while GMM 551 μm increased feed conversion ratio (p = 0.009). At 40 d of age, GMM 436 μm increased the serum aspartate aminotransferase level (p = 0.046).5. At 21 d of age, the tibial Seedor index was increased in the broilers fed GMM 375 μm (p = 0.044). The femoral mineral matter (MM) content was increased in the broilers fed GMM 375 (p = 0.047). Tibial MM content was increased in the broilers fed GMM 551 μm (p = 0.047). At 40 d of age, MM content was increased in the broilers fed GMM 375 μm (p = 0.027). Femoral calcium content was reduced in the broilers fed GMM 299, 436 and 551 μm (p = 0.004) and the tibial phosphorus content was increased in the broilers fed GMM 375 μm (p = 0.003).6. In conclusion, limestone can be replaced with GMM of different particle sizes to feed broilers from 1 to 42 d of age.

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来源期刊
British Poultry Science
British Poultry Science 农林科学-奶制品与动物科学
CiteScore
3.90
自引率
5.00%
发文量
88
审稿时长
4.5 months
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 .
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