Animal Science Terms - V

Vaccine: biological product that is injected into an animal to stimulate an immunity to a particular disease

Vagina Prolapse: protrusion of the vagina in ewes or does during late pregnancy

Variation: degree to which individuals differ with respect to the extent of development of expression of characteristics

Veal: meat of young cattle (calves) and not mature cattle. Calves are raised until about 16 to 18 weeks of age, weighing up to 450 pounds. Though veal can be produced from a calf of either sex and any breed, most veal comes from male calves of dairy cattle breeds

Vein: blood vessels in the body that carry blood towards the heart

Veterinarian: animal doctors who have earned a degree in veterinary medicine. Sometimes called “large animal veterinarians” or “livestock veterinarians,” many specialize in the treatment of dairy cows and work directly with dairy farmers at their farms to ensure healthy herds

Vitamins: organic compounds that typically function as parts of enzyme systems essential for many metabolic functions

Virulence: ability a microorganism has to cause an infection or disease. Microorganisms which have the ability to cause more severe disease are said to be highly virulent

Virus: any of various extremely small, often disease-causing agents consisting of a particle containing a segment of DNA or RNA within a protein coat. Viruses are not technically considered living organisms because they are devoid of biological processes (such as metabolism and respiration) and cannot reproduce on their own. Viruses are the cause of diseases like the “common cold” and chicken pox



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