Effects of Sel-Plex on rumen fermentation and purine derivatives of urine in Simmental steers
This study aimed to evaluate the effects of Sel-Plex on rumen fermentation and microbial protein synthesis in the rumen of steers. Eight ruminally cannulated Simmental steers were used in a replicated 4×4 Latin square experiment. Treatments were: control (without Sel-Plex), Se-low, Se-medium and Se-high with 7.5, 15 and 22.5 mg Sel-Plex per steer per day, respectively. Ruminal pH, total VFA, acetate and butyrate concentration were not affected by the treatment. The ratio of acetate to propionate was linearly reduced with increasing Sel-Plex dose, due to increased propionate production. Ruminal microbial protein synthesis was linearly and quadratically increased with increasing Sel-Plex dose. The results indicate that Sel-Plex potentially improves rumen fermentation. The optimum dose was 15 mg/d under the present experimental conditions.
organic selenium rumen microbial protein synthesis beef cattle
Q.Liu C.Wang Y.X.Huang C.H.Miao D.H.Gao
College of Animal Sciences and Veterinary Medicine, Shanxi Agricultural University Taigu, 030801 Sha Beijing Alltech Biological Products Co., Ltd.101407 Beijing, P.R.China
国际会议
The 7tb International Symposium on the Nutrition of Herbivores(ISNH-7)(第七届国际草食动物营养研讨会)
北京
英文
633-638
2007-09-16（万方平台首次上网日期，不代表论文的发表时间）