NON-HORMONAL FEED ADDITIVES AS AN ALTERNATIVE IN ANIMAL REPRODUCTION

• Main Authors: D. Mihaylova, A. Krastanov, N. Vasilev
• Format: Article
• Language: English
• Published: Trakia University 2020-12-01
• Series: Trakia Journal of Sciences
• Subjects: livestock; non-hormonal biologically active substances; reproduction
• Online Access: http://tru.uni-sz.bg/tsj/Volume%2018,%202020,%20Number4,%20Series%20Biomedical%20Sciences/16_N.Vasilev(2).pdf

Nowadays, a modern trend of the animal husbandry is to increase the reproductive potential of livestock and poultry. There is a large interest worldwide in discovering new and safe non-hormonal biologically active substances obtained from natural sources, which could substitute the synthetic hormones. The positive influence on reproduction in livestock of the biologically active substances of natural origin such as isoflavones, carotenoids, minerals, phytohormones, PUFAs, etc. represent a potential alternative. These substances are derived from various plant sources and micro and macro algae as well. In addition, those substances could provoke positive changes in animal reproduction practices, corresponding to the modern EU requirements for quality and safe for the human health nutrients. The present mini-review summarizes the known in respect of the trend of substitution of the hormonal ones and outlines the potential non-hormonal additives in livestock husbandry.