All reproductive events are regulated by hormones. In simple terms, if the organs of
reproduction correspond to the" plumbing," the endocrine system can be called the" wiring." …

The endocrine system facilitates the coordination and regulation of homeostatic and
physiologic processes and is integral for normal growth, development, and reproduction …

All reproductive events are regulated by hormones. In simple terms, if the organs of
reproduction correspond to the" plumbing," the endocrine system can be called the" wir-ing." …

Estrous cycles have two ovarian phases: follicular and luteal. Cycle length is marked by
behavioral estrus, which occurs at average intervals of 21 to 22 days in cows, 16 to 17 days …

Several environmental factors affect the reproductive system of the ewe, including
photoperiod, stress, nutrition, and the behavioural and pheromonal factors that constitute the …

This book explains the role of hormones in improving and monitoring the production,
performance, reproduction, behaviour and health of livestock animals, focusing on cattle …

The estrous cycles of heifers and mares are used for illustrating pitfalls at the animal level in
research in reproductive biology. Infrequent monitoring for characterizing the change in …

2.1. The Hypothalamic Level 2.1. 1. Hypothalamic Control of Puberty and Seasonal
Reproduction 2.1. 2. Hypothalamic Control of Reproductive Cycle 2.2. The Pituitary-Gonadal …

This paper reviews recent work in cattle on regulation of the pituitary response to GnRH,
ovarian folliculogenesis, hormone secretion by follicles, ovulation, corpus luteum formation …

The topics discussed in this chapter are (1) hogget mating,(2) advancement of the breeding
season by using manipulation of the photoperiod, melatonin, the ram effect or hormones,(3) …