The Effect of BAs on Laying Hens in Late Stage of Egg Production

The Effect of BAs on Laying Hens in Late Stage of Egg Production

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Published Dec 9, 2024
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In recent years, bile acids (BAs) have been widely used in animal husbandry as a new natural emulsifier. BAs can promote the digestion and absorption of lipids in animals and improve their utilization rate.

The effect of different doses of BAs on the production performance and fat-soluble vitamin deposition of laying hens in the late stage of egg production 

This experiment selected 144 birds, and 60-week-old Hy-line brown hens and randomly divided them into three treatment groups, with six replicates in each group and eight chickens in each replicate. The control group was fed basic feed, while the experimental group was fed 200 mg/kg and 400 mg/kg of BAs in the basic feed. The feeding experiment lasted for eight weeks.

The Results Indicate that:

  • Compared with the control group, 200mg/kg BAs significantly increased the contents of vitamin A, vitamin D, vitamin E, and vitamin K in the liver and yolk of 64-week-old laying hens, as well as vitamin E in the serum (P<0.05), and significantly increased the yolk color at 68 weeks old (P<0.05); 400mg/kg BAs significantly increased the content of vitamin A in serum at 68 weeks of age (P<0.05); Both the 200mg/kg and 400mg/kg BAs groups significantly increased the levels of vitamin D, vitamin E, and serum vitamin D in the liver at 68 weeks of age (P<0.05).
  • The 200mg/kg BAs group significantly increased the levels of vitamin A, vitamin D, vitamin E, and vitamin K in 68-week-old egg yolks; The content of vitamin A and vitamin K in the liver; The content of serum vitamin E (P<0.05).
  • When the body lacks fat-soluble vitamins, it will inhibit the deposition of fat-soluble vitamins and cause certain damage to the liver. 200mg/kg of bile acid significantly promotes the deposition of fat-soluble vitamins in laying hens during the late stage of egg production.

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