摘要
以莫能霉素、盐霉素添加剂和自制的复合营养舔（饲）块饲喂本地黄牛，研究其对瘤胃原虫（Ｒｕｍｅｎｐｒｏｔｏｚｏａ）计数及瘤胃ｐＨ值的影响。试验结果表明，黄牛日粮添加莫能霉素、盐霉素使瘤胃原虫数减少，而补喂舔（饲）块使原虫数增加。同时发现，喂稻草型日粮时，黄牛瘤胃原虫计数较放牧时少。研究我国养牛条件下原虫的作用对牛饲料添加剂、瘤胃调控剂的利用具有重要意义。
Trails were carried out to study the effects of different feed additives and diet types on the rumen protozoa counts and rumen fluid pH by adding Monesin, Salinomycin and self-made multi-nutrient lick block to the diets of the local yellow cattle. Results show that rumen protozoa counts decreased when adding Mon. or SM to their diets, and increased by the supplementation of the lick block. Another phenomenen was found at the same time that, when straw basal diets were fed, the rumen protozoa counts were less than that when cattle were grazed. Investigation of the effect of protozoa under the specific conditions in China is of much importance to the utilization of cattle feed additives & rumen adjusting agents.
出处
《黄牛杂志》
1998年第5期3-7,共5页
Journal of Yellow Cattle Science
