摘要
在完全自然放牧条件下,准噶尔盆地绵羊消化道线虫优势虫种(马歇尔线虫、细颈线虫、夏伯特线虫、仰口线虫和毛首线虫)的季节动态变化:马歇尔线虫的感染强度从9月份开始上升,次年3月份最高;细颈线虫的感染强度从11月份开始上升,次年5月份最高;夏伯特线虫的感染强度从11月份开始上升,次年4月份最高;仰口线虫的感染强度在11月至次年5月较高,毛首线虫感染强度在11月至次年3月份高,其9月份达到最高峰,所说的线虫其他月份维持在较低的数量水平上。
In compelete natuaral pasture condition, the most advantage digestive tract nematodes (M.marshalli, Iq.longispcularis, C.ovina, B.trigonocephalum and Trichocephalus ovina)s Seasonal dynamic ehange at Zhungar basin: the highly infective rate of M.marshalli is begin to raise in September and at the highst level in next year's March; the highly infective rate of N.longispcularis is begin to raise in Novamber and at the highst level in next year's May; the highly infective rate of C.ovina is begin to raise in Novamber and at the highst level in next year's April;The infective rate of B.trigonocephalum is heigh from Novamber to next year's may; The infective rate of T.Ovina is heigh from Novamber to next year's marth,and the most heighst rate is september. And in other months the infretive rate of these nematodes are in the low quantity level.
出处
《草食家畜》
2013年第4期49-51,共3页
Grass-Feeding Livestock
基金
国家"公益性行业(农业)科研专项经费资助"
项目编号(201303037)
国家绒毛用羊产业技术体系专项
项目编号(CARS-40-11)
关键词
绵羊
准噶尔盆地
消化道线虫
季节动态
the infective rate
digestive tract nematodes
seasonal dynamic change