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Β-carotene And Vitamin Mix Steps Up Fertility

- Sep 25, 2018 -

β-carotene and vitamin mix steps up fertility

A combination of β-carotene, vitamin ADE and biotin, a mineral supplement for grazing milk can be a tool to optimize reproductive performance.

Researchers at the University of Sao Paulo in Brazil confirmed this. Vitamins are essential for growth, reproduction, and health, and their defects cause negative symptoms in the body. Some studies have reported the positive effects of carotenoids, especially beta-carotene, on cow reproduction. Vitamin E treatment accelerates uterine involution in the fetal endometrium. In addition, vitamin E protects early embryos from environmental heat stress. Vitamin D contributes to bone formation, calcium balance and other physiological processes essential for lactating cows, as well as reproductive performance and breast development. In addition, cows supplemented with biotin for 70 days postpartum increased plasma glucose and reduced non-esterified fatty acids (NEFA), resulting in a better metabolic state.

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Photo: Shutterstock

Experimental device

The purpose of this current experiment, published in the journal Animal Science, is to evaluate the effect of the combination of beta-carotene and vitamins (ADE and biotin) on the reproductive performance of grazing cattle. To this end, a total of 430 sucked prolific Nellore cows (Bos indicus, initial body weight = 417 ± 58 kg) were used in the randomized block design. The control group received mineral supplementation: no beta-carotene and vitamins. The treatment group received a combination of 500 mg beta-carotene and 70,000 IU Vit. A, 10,000 IU Vit. D3, 500mg vitamins. E and 10 mg biotin/bovine/day into the mineral supplement. Animals were synchronized using an estradiol/progesterone (E2/P4) based protocol. The pregnancy rate was evaluated 30 days after FTAI and 30 days after the end of the breeding season. There was no difference in the circulation rate [the presence of the corpus luteum (CL); P = 0.31] before the 11th day of the FTAI synchronization protocol was observed.

Increased pregnancy rate

Studies have shown that the addition of a combination of beta-carotene, vitamin ADE and biotin to mineral supplements in beef grazing tropical pastures can increase the pregnancy rate of the first FTAI. The blood β-carotene status at the beginning of the FTAI program was positively correlated with the pregnancy rate of grazing cattle. Further research can better assess the specific role of each vitamin and beta-carotene in reproductive-related metabolic processes.

 


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