Cloning and Bioinformatics of CTSD Gene and its Expression at the Onset of Puberty in Duolang Sheep

Abstract

This study was performed to evaluate the effects of organic acid and feed restriction intensity on the performance and immune response of broilers.For this purpose, 540 one-day-old male broilers of Ross 308 strain were grown in a 3×3 factorial experiment with three levels of Globacid (0, 0.5, and 1 mL/L) and three levels of feed restriction intensity (0, 10, and 20%) in a completely randomized design with 9 experimental treatments, 6 replicates with 10 chickens in each replicate up to 42 days of age.The group containing Globacid (1 mL/L) and the restriction intensity of 10% had the highest significant difference compared to the control (p <0.05).The highest thymus weight was observed in the treatments with Globacid levels of 0.5 and 1 mL/L, respectively (p < 0.05).Also, the highest humoral immune response among the groups was seen in the group containing Globacid (1 mL/L) and the restriction intensity of 10% (p < 0.05).The results of this study generally showed that increasing the level of organic acid together with reducing the intensity of dietary restriction can improve the performance and immune responses of broilers.

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