AGR 2350 Lecture Notes - Lecture 8: Human Parainfluenza Viruses, Ruminant, Fusobacterium Necrophorum
7 Dec 2017
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Two point five too three is ideal. Climate very favorable for growing grass (precipitate). One cow calf pair = 2 acres. Much larger area to support cow calf pair. Breed horns out: use polled bull (aa or aa: genotyping available. Caustic paste (kohi or naoh: shortly after birth (<10 d) on horn bud, allow to dry-udder burns. Electric de-horning (~500 c) horn tissue destroyed. Mechanical dehorner: gougers, wire saws (cauterize, hemorrhaging. Bull calves castrated from 2-3 d of age to 2yrs old. Reduction in aggressive and sexual behavior in feedlot, prevents injury. Surgical: sharp knife/scalpel: emasculator crush/cut cord, newberry knife, allow for drainage: avoid hot weather and flies. Elastrator rings: tight rubber rings placed over scrotum above testicles, young calves. Burdizzo: large emasculator crushes cord externally no incision. Reduces susceptibility to illness: calf clip used to stop calves from sucking on cow. Enough feed for one cow/acre for one month. Add lean mass followed by fat cover.
