VME 4906 Exam 1 2026/2027 | 60+ Questions & Answers | Equine Evolution, Breeds, Vaccines, Genetics & Nutrition

This VME 4906 Exam 1 2026/2027 study guide contains 60+ questions and verified answers across 8 pages, covering essential concepts in equine science, horse evolution, breed classification, equine health and vaccination, neonatal foal assessment, genetics, digestive physiology and nutrition. The document begins with the evolution of the modern horse from early ancestors such as Hyracotherium (Eohippus), Orohippus, Mesohippus, Merychippus, Pliohippus and Dinohippus through the development of Equus, while connecting these changes to the Eocene, Oligocene, Miocene, Pliocene and Pleistocene epochs. The equine evolution and domestication section reviews major geological periods and evolutionary adaptations, including changes in body size, dentition, grazing adaptations and limb structure. The material identifies Kazakhstan in connection with early horse domestication and reviews the historical peak in horse and mule populations. This provides students with a chronological foundation for understanding how environmental and evolutionary pressures contributed to the development of the modern horse. A substantial portion covers horse breeds and breed classification. Students distinguish hot-blood, cold-blood and warmblood horses and review characteristics of the Arabian, Barb, Thoroughbred, Brabant, Jutland, Suffolk Punch, Andalusian, Colorado Ranger and Dutch Warmblood. The guide includes breed-specific characteristics such as height, conformation, agility, stamina and historical purpose while also distinguishing open and closed stud books. The veterinary-health section addresses equine vaccination and infectious disease. Core vaccines listed in the study material include rabies, tetanus, Eastern and Western equine encephalomyelitis and West Nile virus. Students also review equine influenza, equine herpesvirus/rhinopneumonitis and strangles, including causative agents or transmission patterns, major clinical manifestations and vaccination concepts. The material distinguishes EHV-1 in relation to abortion and neurological disease from EHV-4 in relation to respiratory disease. The document further introduces equine neonatal medicine, including normal newborn foal temperature and heart rate, patent urachus, lactate and sepsis assessment. These questions connect basic physiological values with recognition of potentially important neonatal abnormalities, giving veterinary and equine-science students a compact review of foal health concepts likely to appear on Exam 1. The equine genetics section covers chromosomes, protein-coding portions of the genome, pleiotropy and epigenetics. It also introduces clinically important inherited conditions, particularly Hyperkalemic Periodic Paralysis (HYPP) in Quarter Horses, described in the material as an autosomal-dominant disorder involving abnormal sodium and potassium movement in muscle. The guide additionally references the frame overo allele, connecting genetics with horse breeding and inherited phenotypes. The final section focuses on equine digestive physiology and nutrition. Horses are characterized as non-ruminant hindgut fermenters, with microbial fermentation producing volatile fatty acids such as acetate, propionate and butyrate. Students also review mineral absorption, trace-mineral considerations such as zinc and amino-acid requirements associated with growth. This integrates nutrition with gastrointestinal physiology and provides a broader biological context for equine health and management. Relevant students: This document is particularly relevant for VME 4906 students, veterinary medicine students, pre-veterinary students, equine science students, animal science students, veterinary technology students, horse-management students and learners studying equine biology or health. It is especially useful for Exam 1 preparation involving horse evolution, domestication, breeds, vaccination, infectious diseases, foal health, equine genetics, HYPP, digestive physiology and nutrition. The uploaded document identifies VME 4906 as the course code but does not state a university name, so University Not Specified is used rather than assigning an unsupported institution. 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