主题词：Comparative Animal Anatomy Studies; Veterinary Equine Medical Research; Veterinary Orthopedics and Neurology; Reproductive Physiology in Livestock; Sperm and Testicular Function; Animal Nutrition and Physiology; Genetic and phenotypic traits in livestock; Reproductive Biology and Fertility; Neuropeptides and Animal Physiology; Plant Taxonomy and Phylogenetics; Congenital heart defects research; Animal Genetics and Reproduction; Animal Diversity and Health Studies; Evolution and Paleontology Studies; Wildlife Ecology and Conservation; Marine animal studies overview; Meat and Animal Product Quality; Anatomy and Medical Technology; Cardiovascular Conditions and Treatments; Veterinary Medicine and Surgery; Congenital Anomalies and Fetal Surgery; Glycosylation and Glycoproteins Research; Bat Biology and Ecology Studies; Physiological and biochemical adaptations; Morphological variations and asymmetry