摘要
1990年4月,贵阳市某鸡场贵州黄和黔黄肉鸡的三批出壳雏鸡15.1％表现头朝后仰,跗节着地,少数勾头喙着地或卷趾症状,孵化率下降至61％。经病理学检查及诊断性治疗试验,确定所出现病症是以维生素B_1、维生素E缺乏为主的维生素缺乏症。改进饲料加工与贮藏方法后,该病消除,病弱雏百分率降至0.1％。
In April of 1990, l.l% hatch chicks of Buff Guizhou and Qanwang broiler from 3 broods were sick, on a Poultry Farm located in a surburb of Guiyang. The main symptoms are turnig the hsad back, tourching the shank on the floor, few of them evem appeared cur led toe paralysis, hook head and beak toubhing The hatch rate decrsased to 61%.It has been proved by pathologioal examination and test of dllagnoses exjuvantibus that disease was caused by deficiency of vit B1, B2 and vit E.The symptoms disappeared after the improvement of feed processing and method of storage The percentage of ill and weak chicks redued to 0.1%.
出处
《贵州农业科学》
CAS
1992年第1期41-44,共4页
Guizhou Agricultural Sciences
关键词
鸡
诊治
缺乏症
雏鸡
维生素
hatch chick
vitamin deficiency
diagnoses
