Effect of varying levels of dietary lactose on serum biochemical profile and immunocompetence in broiler quails

D. Gujral, A.K. Shrivastav, B.B. Dash, Pramod K. Tyagi and A.V. Elangovan
Central Avian Research Institute, Izatnagar - 243 122 (UP)

In an experiment, triplicate groups of 15 broiler quails were fed ad lib with one of the seven diets containing 0, 0.5, 1.0, 2.0, 3.0, 4.0 and 5.0% lactose from 0 to 35 days of age. At the termination of feeding trial, 42 birds (6 per treatment) were randomly sacrificed and serum samples drawn. The total cholesterol level decreased with an increase in dietary lactose levels. A significant decrease (P< 0.05) was noticed in the groups provided 4.0 and 5.0% lactose levels as compared to control diet. The total protein and triglycerides levels showed no significant changes. The humoral immune response, as determined by haemagglutination inhibition antibody titer against Ranikhet disease, was altered significantly (P< 0.05) at 3 weeks post-immunization in the birds provided 3% dietary lactose as compared to control diet. However, there were no significant differences in immune response among all the treatments at 2 and 4 weeks post-immunization.

Source : IPSACON-2005

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