Other common poultry disease / control strategies Flashcards
What is the species of salmonella?
enterica
What are the 2 different serovars of salmonella?
*Typhimurium
*Enteritidis
What are the clinical signs of salmonellosis in poultry?
*Anorexia
*Dullness
*Dehydration
*Retarded growth
*Septicaemic
*Enteritis
*Necrotic lesions in SI
*Inflammation of spleen, liver + kidney
*Caecal cores
What can salmonellosis cause in humans?
*EXTREME public health importance
*Gastroenteritis, nausea, vomiting, diarrhoea + fever
*sometimes death if untreated
What can be done on farm to control + prevent salmonella?
*Biosecurity - pest control, disinfectants
*Surveillance + culling
*Prevention + Tx = vaccinate, probiotics
*Feed supply - quality + microbiology
What can be done to reduce risk of salmonella to consumers?
*Educate
*Legislations
*Storage, handling + proper cooking
What causes coccidiosis in poultry?
Eimeria spp
How is coccidiosis diagnosed?
*Farm history
*Clinical examination
*Sampling of feed
*Post-mortem exam
*Microscopic exam
How is coccidiosis controlled?
*Biosecurity
*Management
What mites can affect poultry?
*Northern fowl mite
*Common red chicken mite
*Scaly leg mite
*De-plumbing mite
What are control measures for external parasites of poultry?
*Biosecurity
*Management
*Medications
What are internal parasites of poultry?
*Capillaria
*Heterakis - transmitted by Histomonas spp
*Ascarids
*Trichostrongyles
*Tape worm
*Gizzard worm
What is used to treat internal worm parasites?
*Flubendazole
What are internal protozoal parasites of poultry?
*Histomonosis (blackhead) - H. gallinarum = yellow diarrhoea
*Trichomonosis - cancker in chickens, turkeys + pheasants
*Hexamitosis = diarrhoea + unthriftiness
What can be done increase flock resistance against pathogens?
*Good flock management
*Nutrition
*Avoid / minimum immunosuppression
*Strategic medication
*Vaccination - coarse spray / drinking water / injections
