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Y4 - Large animals > Diseases of commercial gamebird > Flashcards

Diseases of commercial gamebird Flashcards

1
Q

What are different breeds of gamebirds?

A
  • Grey partridge
  • Pheasant
  • Red grouse
  • Black grouse
  • Capercaillae
  • Ptarmigan
  • Red-legged partridge
  • Woodcock
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2
Q

What are some hatchery related problems?

A
  • Hygiene + sanitation
  • Measures in the farm
  • Egg storage
  • Egg transport
  • Egg cleaning / wash
  • Incubator - temperature, ventilation, humidity
  • Post-hatching issues
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3
Q

What are young chick problems?

A
  • Yolk sac infections
  • Septicaemia
  • Starve out
  • Aspergillosis
  • Rotavirus
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4
Q

When is peak mortality of yolk sac infection?
1- due to infection of eggs
2- due to environment infection / spread

A

1 * Peak mortality = 3
2 * peak mortality = 5-7 days

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5
Q

What can cause starve out?

A
  • Breeding flock unhealthy
  • Prolong hatching period
  • Chill-effect after hatch
  • Temperature variation on arrival / house
  • Environment - ammonia, heat, carbon
  • Poor feed and water insufficient / distribution
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6
Q

What are signs of aspergillosis?

A
  • Gasping poults
  • Weight loss
  • Mortality increased
  • Nodules in air sacs
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7
Q

How is aspergillosis treated?

A
  • Not treated - too expensive
  • Prevention = management + biosecurity
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8
Q

What are signs of rotavirus infections?

A
  • depression
  • Dropped wings
  • Closed eyes
  • Huddling
  • Ruffled feathers
  • Death
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9
Q

How is rotavirus treated?

A
  • Disinfectant in drinking water
  • Px = frequent egg collection, egg cleaning + disinfection
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10
Q

What are young poults diseases?

A
  • Spironucleosis
  • Trichononiasis
  • Coccidiosis
  • Bacterial infections
  • Parasites – worms
  • Enteric – Ascarids, Capillaria
  • Respiratory – S trachea
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11
Q

What are the aetiology of spironucleosis + trichomoniasis?

A
  • Spironucleus meleagridis
  • Trichomonas gallinae
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12
Q

What are clinical signs of spironucleosis + trichomoniasis?

A
  • Watery diarrhoea - often yellow + frothy
  • Dehydration
  • Weight loss
  • Depression
  • Lethargy
  • Death
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13
Q

How are spironucleosis + trichomoniasis diagnosed? Tx? Px?

A
  • Dx = necropsy of fresh SI - duodenum + ileum = spironucleus
    -caecum = trichomonas
  • Tx = antibiotics + electrolytes
  • Px = keep environment clean + avoid water leakages + reduce stocking density
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14
Q

What is the most pathogenic cocci?

A
  • Eimeria colchici - found in the caecum
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15
Q

What are clinical signs of coccidiosis?

A
  • Weight loss
  • Lethargy
  • Ruffled feathers
  • Dropped wings
  • Death
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16
Q

How is coccidiosis treated + prevented?

A
  • Tx = toltrazuril, Amprolium
  • Px = decrease stocking density, in-feed coccidiostat
17
Q

What additional diseases to the young poults are seen in releasing poults?

A
  • Enteritis / dysbacteriosis
  • Stress
18
Q

What is enteritis / dysbacteriosis? Tx?

A
  • Scour in growing poults leading to dehydration
  • Tx = antibiotics, improve hydration, acidification of water system
19
Q

What stress factors are related to release of birds?

A
  • Chill effect = release to new environment
  • Transport stress - ventilation / withholding water/feed
  • Unfamiliar environment
  • Searching for food/water
  • Exposure to predators
20
Q

What are respiratory diseases in breeders?

A
  • Mycoplasma gallisepticum
  • Mycoplasma synoviae
  • Corona virus infection
21
Q

Worm build-up in breeders over time, what are the worms? How can they be treated?

A
  • Syngamus trachea
  • Heterakis gallinarum
  • Capillaria spp
  • Ascarid spp
  • Tx = flubendazole (in-feed/in-water)
22
Q

What is the causative agent of blackhead?

A
  • Histomonas meleagridis
    -control worm heterakis to control blackhead
23
Q

What are clinical signs of mycoplasma infections?

A
  • Swelling of infraorbital sinuses, eyes
  • Eyes + nose discharge
  • Breathing difficulty
  • Weight loss
  • Death
  • Decreased egg production + hatchability / chick quality
  • Lameness
24
Q

How are mycoplasma infections prevented / treated?

A
  • Px = vaccine
  • Tx = antibiotics - macrolides
25
Q

What is seen with coronavirus infections in adults?

A
  • Sudden death
  • Urates in kidneys
  • Drop in egg production / hatchability
26
Q

What is seen with coronavirus infections in young birds?

A
  • Swollen kidneys
  • Urate deposition in visceral organs
27
Q

What are clinical signs of newcastle disease?

A
  • Dullness
  • Depression
  • Diarrhoea
  • Neurological signs
  • Drop in egg production / quality
  • Px = vaccine
28
Q
A

Y4 - Large animals (78 decks)

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