Effect of Cumian No.1 on anti-immunity stress of chickens

摘要

2500 chickens were treated in two households (A and B), and divided into a test group and a contrast group in each of the households. 0.5% of "Cumian No.1" was added to the feeds of 1-to 15-day-olds of the test group and 0.2% to the feeds of 16- to 44-day-olds of the test group. The result showed that compared with the contrast group, the average weight and survival rate increased by 4.786% and 2% respectively, and F/G decreased by 9.2% in the test group in household A; the average weight and survival rate increased by 3.608% and 2% respectively, and F/G decreased by 14.9% in the test group in household B.