VMP 420 Lecture Notes - Lecture 25: Pasteurization, Milk Fever, Colostrum
29 Mar 2020
School
Department
Course
Professor
Document Summary
2 forms: neurological, mostly in young animals, arthritic (more common, affects mature animals, stiff and swollen joints, knee joint is the most commonly affected. Transmission: colostrum or milk (mother to kid) Prevention/eradication: remove kids from dam at birth, this prevents sharing infected colostrum, use heat-treated colostrum, pasteurized milk, or milk replacer, no specific treatment. Reservoir: cattle but they are not affected by it. Cause: virus transmitted by gnats (no-see-uhms) Signs: difficult breathing, lesions in the mouth. Inflammation: weight loss, depression, fever, <5% die (most recover within 6 weeks) Treatment: put animals alone in shade with water. Prevention: quarantine infected premises, slaughter of affected animals. Cause: deficiency of selenium and/or vitamin e. Signs: stiffness, arched back, going down, pneumonia, death, rapid respiration. Incidence: male feeder lambs and young male goats. Cause: dietary mostly, also hormonal and environmental factors. Signs: discomfort, frequent attempts to urinate, calculus in distal urethra, subcutaneous swelling of the belly.
