lec 23 MilkProduction.pptx

lec 23 MilkProduction.pptx - 1 Ovulation, Lactation and...

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Unformatted text preview: 1 Ovulation, Lactation and Milk Production 35 The goal of this lecture is to discuss basic physiology associated with the control of ovulation, lactation and milk production. The sections for this lecture are: Life is a series of chemical reactions occurring in compartmentalized environments. The main purpose of life is to keep itself alive Physiology, the study of how life works, is based on the simultaneous occurrence of the following three concepts: levels of organization structure / function relationship homeostatic regulation Hormonal pro f les on ovulation, parturition and lactation Physiological changes at parturition & their links to metabolic disorders in dairy cows Thermoregulatory response jn young, calves response to heat in a hutch environment Thermoregulatory response in adults, the fescue endophyte story in cows and the ergot toxicity in humans Milk and egg production and Ca regulation Ovulation, Parturition, Lactation & Milk Production Role of gonadal steroids and others on ovulation, parturition and lactation Physiological changes at parturition and their link to metabolic disorders Thermoregulatory response of calves to heat in a hutch environment The fescue Endophyte story in cows and that of Ergot toxicity in humans Milk production and Ca regulation Adaptation to lactation diet, elimination of hypo- calcemia, and immunomodulation to stimulate immune system at birth would reduce incidence of periparturient diseases in humans and cows. 2 Ovulation, Parturition, Lactation & Milk Production Role of gonadal steroids and others on ovulation, parturition and lactation Physiological changes at parturition and their link to metabolic disorders Thermoregulatory response of calves to heat in a hutch environment The fescue Endophyte story in cows and that of Ergot toxicity in humans Milk production and Ca regulation Ruminal adaptation to lactation diet, elimination of hypoCa, and immunomodulation to stimulate immune system at calving would greatly reduce incidence of periparturient diseases in dary cows Most metabolic diseases of dairy cows occur within the f rst two weeks of lactation. Others like laminitis can be traced back to that period Role of gonadal steroids and others on ovulation, parturition and lactation Physiological changes at parturition and their link to metabolic disorders Thermoregulatory response of calves to heat in a hutch environment The fescue Endophyte story in cows and that of Ergot toxicity in humans Milk production and Ca regulation Ruminal adaptation to lactation diet, elimination of hypoCa, and immunomodulation to stimulate immune system at calving would greatly reduce incidence of periparturient diseases in dary cows Ovulation, Parturition, Lactation & Milk Production 3 Ovulation, Parturition, Lactation & Milk Production Role of gonadal steroids and others on ovulation, parturition and lactation Physiological changes at parturition and their link to metabolic disorders Thermoregulatory response of calves to heat in a hutch environment...
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lec 23 MilkProduction.pptx - 1 Ovulation, Lactation and...

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