主题词：Growth Hormone and Insulin-like Growth Factors; Estrogen and related hormone effects; Reproductive Physiology in Livestock; Hormonal and reproductive studies; Hypothalamic control of reproductive hormones; Adipose Tissue and Metabolism; Birth, Development, and Health; Stress Responses and Cortisol; Neuroendocrine regulation and behavior; Hormonal Regulation and Hypertension; Thyroid Disorders and Treatments; Regulation of Appetite and Obesity; Reproductive Biology and Fertility; Pancreatic function and diabetes; Ovarian function and disorders; Reproductive System and Pregnancy; Metabolism, Diabetes, and Cancer; Sperm and Testicular Function; Adrenal Hormones and Disorders; Diet and metabolism studies; Neuropeptides and Animal Physiology; Pituitary Gland Disorders and Treatments; Electrolyte and hormonal disorders; Adipokines, Inflammation, and Metabolic Diseases; Sexual Differentiation and Disorders