复方中药对强制换羽蛋鸡生产性能及生殖功能的影响

doi:10.16431/j.cnki.1671-7236.2024.03.027

摘要/Abstract

摘要： 【目的】探究饲粮中添加复方中药对强制换羽蛋鸡生产性能及生殖功能的影响。【方法】试验选取600羽980日龄强制换羽罗曼粉壳蛋鸡,随机分为4组,每组5个重复,每个重复30羽蛋鸡,分别为空白组(C组)和低(L)、中(M)、高(H)剂量复方中药组。空白组饲喂基础饲粮,复方中药低、中、高剂量组分别在基础饲粮中添加0.25%、0.5%、1%复方中药,试验期42 d。试验期间每天记录产蛋率、蛋重、采食量,统计料蛋比;于试验21和42 d采集蛋鸡血液、卵巢及输卵管组织,检测血清生殖激素水平,统计生殖器官指数,并制作卵巢和输卵管组织切片观察器官组织形态。【结果】在基础饲粮中添加不同剂量的复方中药后,与空白组相比,各剂量复方中药组强制换羽蛋鸡的产蛋率均显著升高(P＜0.05),料蛋比均显著降低(P＜0.05);试验第42天L、H组卵巢异嗜性细胞浸润现象减轻;试验第21天各剂量复方中药组卵巢指数均显著升高(P＜0.05),试验第42天H组卵巢和输卵管指数均显著升高(P＜0.05);试验第21天M、H组孕酮和催乳素含量均显著升高(P＜0.05),试验第42天M组孕酮、催乳素和促卵泡素含量均显著升高(P<0.05),H组促卵泡素含量显著升高(P＜0.05)。【结论】饲粮中添加复方中药能提高强制换羽蛋鸡生产性能及生殖功能。

关键词: 复方中药; 强制换羽; 蛋鸡; 生产性能; 生殖功能

Abstract: 【Objective】 This study was conducted to explore the effects of compound traditional Chinese medicine supplementation on production performance and reproductive function of forced molting laying hens.【Method】 A total of 600 forced molting Lohmann Pink laying hens at 980 days were randomly divided into 4 groups with 5 replicates per group and 30 laying hens per replicate,which were blank group (group C) and low-dose (L),medium-dose (M) and high-dose (H) compound traditional Chinese medicine groups,respectively.The hens in group C were fed a basal diet,and the hens in groups L,M and H were fed the basal diet supplemented with 0.25%,0.5% and 1% compound traditional Chinese medicine,respectively.The experiment lasted for 42 days.Laying rate,egg weight,feed intake and feed to egg ratio were recorded every day during the experiment.Blood,ovary and oviduct tissues of laying hens were collected on day 21 and 42,serum reproductive hormone levels were detected,reproductive organ index was calculated,and tissue sections of ovary and oviduct tissues were made to observe the tissue morphology.【Result】 After different dosages of compound traditional Chinese medicine were added to the basic diet,compared with group C,the laying rate of forced molting laying hens in all dosages of compound traditional Chinese medicine groups was significantly increased (P<0.05),and the ratio of feed to egg was significantly decreased (P<0.05).Day 42 of the test,the phenomenon of heterophil cell infiltration in the ovary of L and H groups was reduced,and the ovary index of each dose compound traditional Chinese medicine group was significantly increased on day 21 (P<0.05),and the ovary and oviduct index of H group was significantly increased on day 42 of the test (P<0.05).The contents of progesterone and prolactin in M and H groups were significantly increased on day 21 (P<0.05),the contents of progesterone,prolactin and follicle-stimulating hormone in M group were significantly increased on day 42 (P<0.05),and the contents of follicle-stimulating hormone in H group were significantly increased (P<0.05).【Conclusion】 Dietary addition of compound traditional Chinese medicine could improve the production performance and reproductive function of forced molting laying hens.

Key words: compound traditional Chinese medicine; forced molting; laying hens; production performance; reproductive function

中图分类号:

S853.51

产燕子, 王馨悦, 李思菡, 王俊凯, 王宇艳, 胡铁生, 莫桂芬, 梁德宏, 石达友. 复方中药对强制换羽蛋鸡生产性能及生殖功能的影响[J]. 中国畜牧兽医, 2024, 51(3): 1151-1159.

CHAN Yanzi, WANG Xinyue, LI Sihan, WANG Junkai, WANG Yuyan, HU Tiesheng, MO Guifen, LIANG Dehong, SHI Dayou. Effects of Compound Traditional Chinese Medicine on Production Performance and Reproductive Function of Forced Molting Laying Hens[J]. China Animal Husbandry and Veterinary Medicine, 2024, 51(3): 1151-1159.

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