In the study, the methods of applied histology and histochemistry were used to determine intestinal villus length, crypt depth, the ratio of intestinal villus length to crypt depth, mucous membrane thickness and intes...In the study, the methods of applied histology and histochemistry were used to determine intestinal villus length, crypt depth, the ratio of intestinal villus length to crypt depth, mucous membrane thickness and intestinal wall thickness of duodenum, jejunum and ileum of 42-day-old broilers, so as to study the effects of different conncentrations of homologous probiottcs on small intestinal mucosa struc- ture of the broilers. The results showed that the effect of 0.3% probiotics on small intestine mucosal structures was the best, such as the length of intestinal villus was the longest, the ratio of villus length to crypt depth was the largest, the thins of mucous membrane and intestinal wall was the thickest. These showed that 0,3% probiotics had best effect on improving and enhancing the digestion-absorption func- tion of the small intestine of the broilers.展开更多
This test was conducted to study the effects of different doses of homologous probiotics on intestinal mucosa structure of 21-day-old broilers. A total of 1 500 one-day-old AA broilers with similar weight were randoml...This test was conducted to study the effects of different doses of homologous probiotics on intestinal mucosa structure of 21-day-old broilers. A total of 1 500 one-day-old AA broilers with similar weight were randomly divided into five groups, with 10 replicates in each group and 30 broilers （ half males and half fe- males） in each replicate. The broilers were fed with the diets containing five kinds of different doses of homologous probiotics. The broilers ate and drank freely during the test. The test lasted for 21 days. Histological and histochemical methods were taken to measure villi length, mucosal thickness, wall thickness and the ratio of villi length to crypt depth （V/C） of duodenum, jejunum and ileum of the 21-day-old broilers. The results showed that, the effects of 0.3% homologous probiotics on the intestinal mucosal stroctrue of 21-day-old broilers were the best, and values of villi length, V/C, mucosal thickness and intestinal wall thickness in the O. 3% homologous probiotics group reached the maximum. The effects on improving and enhancing the digestion and absorption of the broiler small intestine in the 0.3% homologous probiotics group were the best.展开更多
基金Supported by the Project of Beijing Vocational College of Agriculture(XY-YF-14-18XYYF-14-16)~~
文摘In the study, the methods of applied histology and histochemistry were used to determine intestinal villus length, crypt depth, the ratio of intestinal villus length to crypt depth, mucous membrane thickness and intestinal wall thickness of duodenum, jejunum and ileum of 42-day-old broilers, so as to study the effects of different conncentrations of homologous probiottcs on small intestinal mucosa struc- ture of the broilers. The results showed that the effect of 0.3% probiotics on small intestine mucosal structures was the best, such as the length of intestinal villus was the longest, the ratio of villus length to crypt depth was the largest, the thins of mucous membrane and intestinal wall was the thickest. These showed that 0,3% probiotics had best effect on improving and enhancing the digestion-absorption func- tion of the small intestine of the broilers.
基金Supported by College Project of Beijing Vocational College of Agriculture(XYYF-12-14)
文摘This test was conducted to study the effects of different doses of homologous probiotics on intestinal mucosa structure of 21-day-old broilers. A total of 1 500 one-day-old AA broilers with similar weight were randomly divided into five groups, with 10 replicates in each group and 30 broilers （ half males and half fe- males） in each replicate. The broilers were fed with the diets containing five kinds of different doses of homologous probiotics. The broilers ate and drank freely during the test. The test lasted for 21 days. Histological and histochemical methods were taken to measure villi length, mucosal thickness, wall thickness and the ratio of villi length to crypt depth （V/C） of duodenum, jejunum and ileum of the 21-day-old broilers. The results showed that, the effects of 0.3% homologous probiotics on the intestinal mucosal stroctrue of 21-day-old broilers were the best, and values of villi length, V/C, mucosal thickness and intestinal wall thickness in the O. 3% homologous probiotics group reached the maximum. The effects on improving and enhancing the digestion and absorption of the broiler small intestine in the 0.3% homologous probiotics group were the best.
