gamebirds

Young chick (2-14do) problems - yolk sac inf causes

Omphalitis

Environmental

Young chick (2-14do) problems

Yolk sac inf

Septicaemia (salmonellosis)

Starve out

Aspergillosis

Rotavirus

Young chick (2-14do) problems - Preventing septicaemia

Using enteric flora from specific pathogen free birds

Young chick (2-14do) problems - Starve out

Gizzard containing bedding material/ nothing, empty crop from environmental issues → lethargic chicks

Young chick (2-14do) problems - Aspergillosis cause

Aspergillus fumigatus from environment

Young chick (2-14do) problems - Aspergillosis CS/ gross

Gasping, WL, nodules in Lungs + air sacs

Timing for peak egg laying

March-April

Timing for brooding + rearing

Jul - Aug

Brooding temp requirments after hatching

32 degrees → 24 degrees → environmental temp

How long from release (sept-oct) until shooting starts

6-8w

Stocking density

1000 birds/ hectare

Young chick (2-14do) problems - Rotavirus CS + causes

Egg shells + environmental contamination

Dep, dropped wings, closed eyes, huddling, ruffled feathers

Young chick (2-14do) problems - rotavirus Dx + prevention/tx

CS, PCR

Disinfectant + egg collection/cleaning

Chick vs poult vs young bird

C <2wo

P <6wo

Y <16wo

Diseases of poults

Spironucleosis

Trichononiasis

Coccidiosis

Bact

Ascarids, Capillaria, Syngamus

Poult disease - spironucleosis + trichononiasis causes + ages

Spironucleus meleagridis 1-12w

Trichomonas gallinae 6-16w

Damp, overcrowding, stress

Poult disease - spironucleosis + trichononiasis CS

Yellow watery D, dehydration, WL, dep, leth

Poult disease - spironucleosis + trichononiasis Dx

PM GIT smear

Spironucleus = SI

Trichomonas = caecum

Poult disease - spironucleosis + trichononiasis Tx

AB, electrolytes

Poult disease - coccidiosis cause + age

Eimeria colchici (caecum)

Warm + damp environment

15d-16w

Poult disease - coccidiosis CS

WL, leth, ruffled feathers, dropped wings

Poult disease - coccidiosis Dx

PM gut smear, FEC

Poult disease - coccidiosis Tx/ prevention

Toltrazuril, Amprolium

Dec stock, coccidiostat, dry + clean

What else are releasing poults at risk of

(as well as Spironucleosis

Trichononiasis

Coccidiosis

Bact

Ascarids, Capillaria, Syngamus)

Enteritis, dysbacteriosis

Stress

Releasing poults dz - enteritis / dysbacteriosis CS

Scour → dehydration

Releasing poults dz - enteritis / dysbacteriosis Dx

PM infl GIT

Releasing poults dz - enteritis / dysbacteriosis Tx

AB, supportive, competitive exclusion, acidify water (dec E. coli)

Releasing poults dz - new stresses

Chill effect, transport, unfamiliar, searching for resources, predators

Breeder dz - resp

Mycoplasma gallisepticum

Mycoplasma synoviae

Corona virus

Breeder dz - Worms that can be treated with flubendazole

Syngamus trachea, Heterakis gallinarum, Capillaria, ascarid

Breeder dz - Black head cause

Histomonas meleagridis with Heterakis gallinarum

Breeder dz - Black head Gross/ CS

Liver lesions → liver failure

Breeder dz - Black head Prevention/ tx

Flubendazole to dec Heterakis

Tetracycline

Breeder dz - mycoplasma gallisepticum/ synoviae CS

Infraorbital sinus swelling, oc+nasal discharge, dyspnoea, WL, dec egg, lame

Breeder dz - mycoplasma gallisepticum/ synoviae Prevention / tx

Vaccine

AB, macrolides

Breeder dz - mycoplasma gallisepticum/ synoviae transmission / spread

Stress

Vertical/ horizontal

Breeder dz - pheasant coronavirus CS

Adult - sudden death, urates in kidneys, dec egg

Young - swollen kidneys, urates in visceral organs

Breeder dz - pheasant coronavirus Dx

PCR

Breeder dz - pheasant coronavirus Prevention/ tx

Inactivated Inf bronchitis virus vaccine

Biosecurity

Breeder dz - Newcastle disease CS

Dull, dep, D, neuro, dec egg

Breeder dz - Newcastle disease Dx

PCR

Breeder dz - Newcastle disease Prevention/ tx

Vaccine

Biosecurity