Effects of Selenium Supplementation on Hematological Profile, Gut Microflora Composition, in Vitro Biofilm Formation Assay and Serum IgG Concentration in Goats
Effects of Selenium Supplementation on Hematological Profile, Gut Microflora Composition, in Vitro Biofilm Formation Assay and Serum IgG Concentration in Goats
Mariam Arain1, Asghar Ali Kamboh1* and Muhammad Javed Arshed2
ABSTRACT
The present study was carried out to investigate the effects of selenium (Se) supplementation on gut microflora and immune parameters in goats. Twelve female cross breed goats (BW: 10-12 kg) were equally divided into two groups i.e., Control that offered basal diet and Se supplemented group that offered basal diet + selenium yeast (0.15mg/kg BW). In basal diet concentrate was fed at the rate of 2% body weight while roughage (hay)was given as ad-libitum. The dietary treatments were continued for 2 months. The results showed that microbial count (E. coli and Lactobacillus) was higher (p<0.05) in goats offered basal diet supplemented with organic selenium compared to goats fed on basal diet with no Se supplementation. However, Pseudomonas aeruginosa and Staphylococcus aureus were significantly higher (p<0.05) in control group goats compared to goats in supplemented group. Significantly higher (p<0.05) IgG concentration was found in Se supplemented goats as compared to control group. The bacterial species produced weak positive biofilm formation (p<0.05) in Se supplemented goats as compared to control group. The hematological indicators revealed that the values of hemoglobin, hematocrit, erythrocytes, mean cell hemoglobin, mean corpuscular volume, mean corpuscular hemoglobin concentration, leukocytes, neutrophils, lymphocytes and monocytes count were significantly higher (p<0.05) in the Se treated group compared to control. It was concluded that Se supplemented goats have better gut microflora composition and immune response compared to goats fed on basal diet without Se supplementation.
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