Authors: Sumeet Kour, Jonali Devi, Kamal Sarma, D Chakraborty and R Zargar

Source: Ruminant Science (2018)-7(2):269-274.

Cite this reference as: Kour Sumeet, Devi Jonali, Sarma Kamal, Chakraborty D and Zargar R (2018). Effect of ascorbic acid supplementation on circulating levels of hormones in water deprived goats. Ruminant Science 7(2):269-274.


The effect of vitamin C supplementation on hormonal parameters in adult male water deprived goats was studied during summer and winter seasons. In control group goats (n=6, for each season), water was offered ad libitum throughout the experimental period. Two treatment groups (T1 and T2) consisting of 6 animals each were selected; in T1 group, water was restricted and subdivided into 3 experimental periods: in period 1 (day 1 to 7), animals were adapted to the water restriction regime by limiting access to water gradually from 15 to 3 hrs/day. In period 2 (day 8 to 14), animals of the treatment groups had access to water for 3 hrs/day. In period 3 (day 15 to 22), animals had access to water only every second day for 6 hours. In T2 group, the same protocol of T1 was followed with addition of vitamin C supplementation at a dose rate of 180 mg/kg body weight/animal/day. Blood samples were collected from each animal on day 1, 7, 14 and 22 and serum was separated for the estimation of T3, T4 and cortisol levels. In T1 group, increasing trend (P<0.05) was seen in cortisol level in blood; whereas, significantly (P<0.05) decreasing trend of T3 and T4 levels were found from day 1 to day 22 of experiment. In T2 group, cortisol levels increased up to day 14 and then decreased on day 22; whereas, T3 and T4 levels were decreased up to day 14, then increased on day 22. In T1, values of cortisol was significantly higher (P<0.05) than T2 during experimental period; whereas, values of T3 and T4 were significantly lower (P<0.05) in T1 than T2. Overall summer value of cortisol was higher as compared to overall winter values; whereas overall summer thyroid hormone values were lower. From the study, it can be concluded that water deprivation along with summer stress had negative impact on hormonal parameters, which can be ameliorated by supplementation of ascorbic acid at the rate of @180mg/kg body weight/day.



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