ANTH106 Study Guide - Final Guide: Natural Killer Cell, Passive Immunity, Colostrum
6 Mar 2017
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Swine health (20 questions: background of health. Immunity: the immune system, baby pig immunity, vaccines, parvo virus, tge (transmissible gastroenteritis, immunization possibilites, routes of vaccination, modified live vaccines, advantages, disadvantages. Can be immunosuppressive: does not require prior exposure, includes natural barriers to pathogens, surpassed by poor management. Overcrowding, poor ventilation, temperature extremes: relies on prior exposure (passive or active) Vaccine: born with no antibodies, colostrum, cannot vaccinate piglets until mother"s immunity wears off, provides first maternal antibodies. Dependent on sows immunity: oral, intramuscular, subcutaneously, intraparitenial, intranasal. Requires doses and boosters: sows vaccinated at breeding, vaccinated prior to farrowing for piglet diseases, market hogs vaccinated at 40lbs. Passive immunity: for prevention and treatment of iron deficiency in piglets, intramuscular. Overcrowding: causes of immunosuppression, physical, presence of infectious agents, nutrition, moldy feed. Lack vitamin e, selenium: killed vaccines, vaccine programs, immunosuppression in swine, exceed, iron injection. Control over environment: incidence of diseases, infection, psychological stressors may not have physical signs, ethological measurements:
