Abstract
Teddy is highly proliferative goat breed, as female of this breed are famous for high
twining rates. Feed supplementation of olive oil has been shown to improve semen
quality of goat bucks. In this study, the effect of feed supplementation with olive oil
on serum testosterone, triiodothyronine (T3), thyroxine (T4) and some biochemical
metabolites in teddy goat bucks were investigated. For this purpose, 9 adult male goats,
with clinically normal reproductive tract, were randomly separated into by three equal
assemblies A, B and C. Animals in Cluster A were fed control ration (control group),
whereas goats in group B and C were nourished with complemented 15 and 30 ml Olive
oil, respectively, in morning daily for 8 weeks. Blood was collected weekly from each
experimental animal and analyzed for serum testosterone, T3 and T4 concentration
through ELISA. Similarly, serum alanine aminotransferase (ALT), Aspartate
aminotransferase (AST), total cholesterol, triglycerides and glucose were determined
using commercially available kits. Results revealed that serum concentrations of
testosterone, T3 and T4 were higher (P<0.05) in bucks of groups B and C compared to
those of control group. However, differences in concentration of these hormones
between bucks of the former two groups were non-significant. Among biochemical
metabolites, serum ALT, total cholesterol and triglycerides differed significantly
(P<0.05) among three groups, with highest in control group and lowest in group C.
Serum AST activity was also lower in bucks of assembly B and C than control, but,
changes between groups B and C were non-significant. Similarly, the treatment had no
effect on serum glucose concentrations. Based on results of the present studies, it was
concluded that feed supplementation of olive oil improves semen quality and libido of
Teddy goat bucks. However, its effects on health biomarkers and fertility rates of buck
may be investigated before making any recommendation.
Muhammad Farooq, Shujait Ali, Muhammad Zubair, Qudrat Ullah, Huma Jamil, Abdul Ghaffar. (2019) Effect of feed supplementation with olive oil on serum testosterone, triiodothyronine, thyroxine and some biochemical metabolites in teddy goat bucks, Asian Journal of Agriculture and Biology, Volume 7, Issue 1.
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