›› 2012, Vol. 39 ›› Issue (5): 86-90.

• 动物营养与饲料科学 • Previous Articles     Next Articles

Effects of Composite Probiotics on pH Value and Microflora in the Intestine of Layer Breeders

JIN Lu1, YANG Xiao-hong1, REN Jin-le2, LI Jun-liang1, GUO Xiao-yu1, ZHENG Yin-hui3   

  1. 1. College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China;2. Ott Breeders Farm, Qingdao Institute of Animal Science and Veterinary Medicine, Jimo 266227, China;3. Shandong Yishengyuan Microbialtechnology Ltd., Weifang 262704, China
  • Received:2011-11-11 Revised:1900-01-01 Online:2012-05-20 Published:2012-05-20

Abstract: This study was designed to investigate effects of supplementation of composite probiotics on the length of intestine, pH value and microflora in the cecal of Layer Breeders. A total of 320 one-day-old Hy-Line brown parents were randomly divided into four groups,each group was assigned 4 replications and 20 layers per replication. Control group feeding basal diet, test 1, 2, 3 groups in the basal diet were added 50, 100, 200 g/t of composite probiotics. The results showed that:① Compared with the control group, on 21 days of age, duodenum, jejunum, ileum relative length was significantly lower in add compound probiotics group breeder (P<0.05); 42 days of age, test 2 group significantly reduced the relative length of the ileum (P<0.05); 112 days of age, the relative length of the jejunum and ileum compared with the control group was significantly shorter in test 1 group (P<0.05), test 3 group relative length of the duodenum was significantly shorter (P<0.05). ② test 1, 2 group, on 21-day-old, jejunum and ileum of the pH value was significantly lower than the control group (P<0.05), test 3 group PH value of the duodenum on 21,42,112-day-old and the jejunum on 42 day-old was significantly lower (P<0.05). ③ Adding compound probiotics could significantly increased the number of cecal lactic acid bacteria in 21-day-old breeders, (P<0.05), which test 2 group was the largest number of lactic acid bacteria, compared with the control group, increased 11.76%, followed by the test 1, 3 groups; adding probiotics for 42 days and 112-day-old chicken of the cecal microbial were no significant effect. The results indicated that, feed composite probiotics could reduce the relative length of small intestine, reduce the intestinal pH value and can improve the intestinal flora so that to promote healthy growth of the layer breeders. In this experiment to add 100 g/t of composite probiotics is preparation for appropriate amount added.

Key words: composite probiotics; layer breeders; the length of intestine; pH of intestine; microflora

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