[Objective] To investigate the effects of concentrate/roughage ratios and nitrogen levels on in-vitro rumen fermentation of urea-treating corn stalk. [Method] T
Rhesus monkey can not achieve natural delivery due to various reasons,and cesarean section becomes an important midwifery to get infant monkeys. After caesarean
[Objective] To investigate the therapeutic effects of Chinese herbal medicine compound preparation 'Pak Ning' on chicken infectious laryngotracheitis. [
This study was to investigate the effect of biological compound premix on the performance and milk quality in dairy cows. Twenty Holstein cows,with the similar