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Vet635 Pig and Poultry Health Management > Environment > Flashcards

Flashcards in Environment Deck (15)
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1

Biosecurity: how can a pathogen get on farm?

Staff: new, recent exposure to pigs Pests: rodents, birds, dogs, foxes... Pigs: new, unvaccinated Food Water Fomites: vehicles (slaughter truck, transport), clothing (boots...) Failure of: Boot dip/ shower (training) Wheel dip Fences

2

4 aspects of the environment?

Air (positive P vent, filters, temp, draughts, gases, dust, light-seasonal breeders) Floor (type & condition-bedding, hygiene, space, hazards) Feed (access- restricted or ad lib?, quality, form, particle size (not too fine-predisposes to gastric ulcers), palatability, dust/wastage, contaminants e.g. mycotoxins, how it is stored?) Water (access, flow rate, temp)

3

3 circles of disease?

Host Pathogen Environment

4

What is the "new shed effect"?

Optimal growth, decreases after 6 mo (airborne particles)

5

4 environmental stressors?

Poor hygiene Poor air quality Overcrowding Extreme and fluctuating temp

6

Where do pigs go to the toilet?

Cold, damp, damp, private areas.

7

Reasons for vices (biting)?

Underlying problem> Weaned too early Competition for cranial teats Unhappy

8

Reasons for dirty pig?

Hot Dirty pen

9

What does poor feed access look like?

Size variation Vices Crowding/ fighting around feeders

10

At least 1 feeder per _ pigs?

10-15

11

Causes of out of feed event? e.g. gastric ulcers

Equipment failure Not drinking> not eating Health issue

12

What are the causes of gastric ulcers? (2)

Grinding too fine Out of feed event

13

Water flow rate (L/min) for: Weaners. Growers. Lactating.

0.5L/min – weaners 1L/min – growers 2L/min – lactating sows

14

Ideal ammonia concentration (ppm)?

<11 ppm (over this=susceptibility to lung infection)

15

Ideal amount of light (lux)?

>50 lux No luxmeter> can you read a newspaper?