Age related changes in basal concentrations of FSH, LH and testosterone in indigenous and crossbred bovine males

S K RAJAK; A KUMARESAN; S NAYAK; S CHHILLAR; N M ATTUPURAM; M K MUHAMMAD ASLAM; R K BAITHALU; T K MOHANTY

doi:10.56093/ijans.v86i10.62408

Authors

S K RAJAK ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India
A KUMARESAN ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India
S NAYAK ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India
S CHHILLAR ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India
N M ATTUPURAM ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India
M K MUHAMMAD ASLAM ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India
R K BAITHALU ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India
T K MOHANTY ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India

https://doi.org/10.56093/ijans.v86i10.62408

Keywords:

Age, Crossbred, FSH, Indigenous, LH, Testosterone

Abstract

Collectively, the findings of the present study revealed that the concentrations of both FSH and LH were highest at 18 months of age in crossbred males, while in indigenous males, the FSH and LH concentrations were highest at 18 and 24 month of age, respectively. Higher concentrations of testosterone were observed at 18 months of age in crossbred males and at 24 months of age in indigenous males. These findings may explain the endocrinological support for comparatively late sexual maturity in indigenous males.

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