Vol. 1, Issue 2, Part A (2016)

Author(s): Vasantha SKI and Kona SSR

Abstract: Age at puberty is one of the significant traits that influence production of the animal and thereby profitability to the farmer. Pubertal onset with initiation of normal estrous cycles involves maturation of the hypothalamic-pituitary-ovarian axis. This was dependent on the adequate body weight/metabolic status besides the required age. Various physiological factors like Nutrition, environment, photoperiod and endocrine factors like GH, IGF-1, leptin, NPY are important in the induction of puberty. The role of each of these factors was discussed.