ADSC 2010 Lecture 37 Outline of Last Lecture I Management of Breeding II Management During Gestation III Management at Farrowing IV Management During Lactation V Care of Baby Pigs Outline of Current Lecture I Selling to Grower Finisher II Farrow to Finish III Multiplier Purebred IV Swine Diseases A Bacterial Viral B Nutritional Current Lecture I Selling to Grower Finisher Not labor intensive End of nursery phase 40 60 lbs to slaughter 250 290 lbs Requires less physical management Hogs confined and on full feed ad libitum Walk through listen for coughing High feed requirements Normally divided into phases Grower 50 100 lbs or 3 months old Finisher 100 260 lbs or 6 months old Protein 16 grower 14 finisher II Farrow to Finish most common in US Encompasses all aspects of production End product slaughter hog Don t share profits High labor management requirements High feed requirements III IV Multiplier Purebred Little purebred in current industry mostly composite lines Similar to farrow to finish phase as far as feed requirements End product breeding stock boars gilts Also produce some slaughter hogs cull gilts and barrows Greater requirement for skilled management than any other phase segment Higher investment due to cost of superior genetics Swine Diseases A Bacterial Viral 1 Pseudorabies mad itch viral Herpes virus Young pigs High temperature convulsion paralysis in pigs Abortion infertility weak pigs in adults Vaccinate sows prior to breeding season 2 Swine Dysentery bloody scours bacterial Inflammation of intestine lining of colon Bloody diarrhea black stool 8 14 week old pigs increase in death loss Spread with contact of contaminated feces Treat with antibiotics and sulfa drugs in the water 3 Transmissible Gastroenteritis TGE Viral Scouring yellow vomiting Increased mortality in young pigs 7 10 days old Treatment isolate sows make sure that pigs get colostrum sanitation vaccinate sows 4 Atrophic Rhinitis Bacterial Respiratory destruction of cilia and turbinate bones in the nose Persistent sneezing bleeding death generally due to pneumonia Treatment antibiotics and sulfa drugs in the feed or water B Nutritional 1 Anemia Iron deficiency Weak pigs problems with temperature regulation Inject IM at 3 4 days 2 Porcine Epidemic Diarrhea Virus PEDV Viral England China Korea Japan US Similar to TGE not zoonotic Extreme death loss Extremely contagious transmitted fecal oral route Primarily a problem in pigs 90 mortality Dehydration extremes huge outbreak in US
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