Efficiency of early, single-dose probiotic administration methods on performance, small intestinal morphology, blood biochemistry, and immune response of Japanese quail

Poultry Science
K SeifiMohammad Kazemifard

Abstract

The aim of the present study was to investigate the efficacy of early probiotics (single dose) administered in different ways, on quails' performance, small intestine morphology, blood biochemistry, and immune response. In total, 192 day-old chicks were used in one of the following experimental groups before being transferred to a raising room: 1) Control (no probiotic administered), 2) oral gavage, 3) spray, and 4) vent lip. Four replicates of 12 chicks per cage were considered for each treatment and birds were raised up to 35 d in the same conditions. Probiotic treated birds had higher d 1 to 35 feed intake than the control group (P < 0.05). In addition, oral-gavaged birds had a higher body weight gain as compared to the control (P < 0.05). The values of duodenum length and villus height of the oral group and ileum length and villus height of the vent lip group were greater than that of the control (P < 0.01). Regardless of the method of administration, probiotics resulted in deeper crypts and in a higher number of goblet cells in the duodenum and ileum as compared to the control (P < 0.01). The administration of probiotics resulted in increased plasma uric acid (P < 0.05), glucose, and total protein (P < 0.01). The concentra...Continue Reading

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Citations

Nov 5, 2020·Poultry Science·Ahmed Mohamed FouadChuntian Zheng
Aug 14, 2021·Veterinary Microbiology·Vladimir I TrukhachevPeter V Zolotukhin

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