巴戟天多糖对胫骨软骨发育不良的肉鸡生产性能、胫骨指数、胫骨钙磷灰分和血清电解质的影响

doi:10.12160/j.issn.1672-5190.2019.11.002

摘要/Abstract

摘要： 目的旨在探究巴戟天多糖（Morinda officinalis How polysaccharides,MOP）对福美双诱导的胫骨软骨发育不良（tibial dyschondroplasia,TD）肉鸡生产性能、胫骨指数、胫骨钙磷灰分和血清电解质的影响。方法选取1日龄健康AA肉仔鸡120只,随机分为3组,每组4个重复,每个重复10只肉鸡。对照组（CON组）饲喂基础日粮;福美双诱导TD组（TD组）饲喂基础饲料,在第4天到第7天的饲料中添加100 mg/kg的福美双进行TD模型建立;巴戟天多糖组（MOP组）在接受TD造模处理后,在第7天到第15天的饲料中添加400 mg/kg的巴戟天多糖。结果与CON组相比,从试验开始到试验第7天,TD组肉鸡的平均采食量和平均日增重显著（P<0.05）降低,料肉比增加（P>0.05）;在试验第7天、第11天和第15天时,TD组肉鸡的胫骨生长板宽度和生长板宽度系数显著（P<0.05）增加,胫骨重量和胫骨长度显著（P<0.05）降低,胫骨重量指数降低（P>0.05）,胫骨灰分含量显著（P<0.05）降低,并且血清中电解质紊乱;与TD组相比,在试验第11天和第15天时,MOP组肉鸡的料肉比有降低的趋势（P>0.05）,MOP组肉鸡的生长板宽度和生长板宽度系数显著降低（P<0.05）,胫骨重量、胫骨长度和胫骨重量指数均显著（P<0.05）提高;在试验第11天时,MOP组肉鸡的胫骨灰分含量显著（P<0.05）提高;随着试验时间的延长,MOP组肉鸡的血清电解质含量趋于平衡。结论饲料中添加巴戟天多糖可以有效缓解和改善由福美双诱导的肉鸡TD症状。

关键词: 胫骨软骨发育不良, 巴戟天多糖, 肉鸡, 生长性能, 胫骨灰分, 钙, 磷, 电解质

Abstract: [Objective] To investigate the effects of dietary supplementation of Morinda officinalis How polysaccharides （MOP） on production performance, tibia index, tibial content of calcium ,phosphorus and ash, and serum electrolytes level in broilers with tibial dyschondroplasia （TD） induced by thiram. [Method] A total of 120 1-day-old healthy AA broilers were randomly divided into 3 groups with 4 replicates in each group and 10 broilers in each replicate. The broilers served as control （CON group） were fed with basal diet; the broilers used to establish TD model induced by thiram （TD group） were fed with basal diet at the initial period of the experiment, and then received dietary supplementation of 100 mg/kg thiram from the 4^th to 7^th day of the experiment; after receiving the same treatment with TD group, the broilers in MOP group were fed with basal diet supplemented with 400 mg/kg MOP from the 7^th to 15^th day of the experiment. [Result] Compared with the CON group, during the first 7 days of the experiment, the average feed intake and average daily gain of TD group was decreased significantly （P<0.05）, and the feed to gain ratio was increased （P>0.05）; in TD group, the tibial growth plate width and coefficient of growth plate width was increased significantly （P<0.05）, the tibial weight, length and ash content were decreased significantly （P<0.05）, and the tibial weight index was reduced （P>0.05） on the 7^th, 11^th and 15^th day of the experiment, in addition, the appearance of serum electrolyte disorder was also observed; compared with TD group, the MOP group had decreased feed to gain ratio （P>0.05）, significantly （P<0.05） decreased tibial growth plate width and coefficient of growth plate width, and significantly （P<0.05） increased tibial weight, length and weight index on the 11^th and 15^th day of the experiment; the tibial ash content of MOP group was increased significantly （P<0.05） on the 11^th day of the experiment; with the extension of the experimental period, the serum electrolytes level of the MOP group tended to balance. [Conclusion] Dietary supplementation of MOP can effectively alleviate and ameliorate the TD associated symptoms of broilers induced by thiram.

Key words: tibial dyschondroplasia, Morinda officinalis How polysaccharides, broiler, growth performance, tibial ash, calcium, phosphorus, electrolytes

中图分类号:

S853.74

孔安安, 陶坤盛, 曹芹芹, 刘迪一, 杨秋婷, 张晴, 郑世豪, 仝宗喜, 黄淑成. 巴戟天多糖对胫骨软骨发育不良的肉鸡生产性能、胫骨指数、胫骨钙磷灰分和血清电解质的影响[J]. 畜牧与饲料科学, 2019, 40(11): 7-12.

KONG An-an, TAO Kun-sheng, CAO Qin-qin, LIU Di-yi, YANG Qiu-ting, ZHANG Qing, ZHENG Shi-hao, TONG Zong-xi, HUANG Shu-cheng. Effects of Morinda officinalis How Polysaccharides on Production Performance, Tibia Index, Tibial Content of Calcium, Phosphorus and Ash, and Serum Electrolytes Level in Broilers with Tibial Dyschondroplasia[J]. Animal Husbandry and Feed Science, 2019, 40(11): 7-12.

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