Endocrine Causes of Seasonal and Lactational Anestrus in Farm Animals, Softcover reprint of the original 1st ed. 1985 A Seminar in the CEC Programme of Co-ordination of Research on Livestock Productivity and Management, held at the Institut für Tierzücht und Tierverhalten, Mariensee, Bundesforschumgsanstalt für Landwirtschaft (FAL) October 2–3, 1984 Current Topics in Veterinary Medicine Series, Vol. 31

Preface.- Preface.- Session I: Seasonal Anestrus in the Ewe.- Seasonal Anestrus — Problems and Perspectives.- Endocrine Basis of Seasonal Anestrus in Sheep.- Genetics and Physiology of Follicle Recruitment and Maturation During Seasonal Anestrus.- Breed Differences in the Breeding Season in Sheep.- Light Control of Reproduction in the Ewe.- Effects of Melatonin on the Time of Onset of the Breeding Season in Different Breeds of Sheep.- Induction of Ovulation in Anestrous Ewes Using Gonadotrophins.- Induced Breeding in Anestrous Milking Ewes of Dairy Breeds: Comparison of Norgestomet, Medroxyprogesterone and Fluorogestone in Two Regimes of PMSG.- Discussion.- Session II: Seasonal Anestrus in the Sow and Mare.- Stimulation of Ovarian Activity in the Pony Mare during Winter Anestrus.- Practical Control of Anestrus in Thoroughbred Broodmares.- Seasonal Anestrus in Wild Sows.- Photoperiod and Fertility in the Pig.- Discussion.- Session III: Lactational Anestrus in the Pig.- Hypothalamic-Pituitary-Ovarian Responses to Weaning — Retrospective Evidence for the Cause of Lactational Anestrus?.- Endocrine Interactions During Lactational Anestrus in Sows.- Relevance of Prolactin to Lactational and Post-Weaning Anestrus in the Sows.- Effects of Bromocriptine Treatment During Lactational Anestrus in Pigs.- Discussion.- Session IV: Post Partum Anestrus.- Post Partum Anestrus, Problems and Perspectives.- Comparative Aspects of the Postpartum Period in Domestic Animals.- Reproductive Potential During the Post Partum Period in Cows.- Endocrine Mechanisms Contributing to Post Partum Anestrus in Dairy and Beef Cattle.- Studies on the Endocrine and Environmental Factors Influencing Post Partum Acyclicity in Dairy Cows Based on Progesterone Profiles.- Discussion.- General Conclusions.-General Conclusions.- List of Participants.