Housing Flashcards
What animals have a broad TNZ and what does it mean and what type of housing
Group 2 ruminants climate housing
Wide changes in ext temp have minimal effect on ME intake
Homeothermic maintained by regulating hear loss through coat
What animals have narrow TNZ and what does it mean
Group 1 pigs and poultry
ME intake changes a lot with changing external temp so adjust food intake to maintain homeothermy
What is desired air speed to minimise chill causing hypothermia
<30cm/s
RH equation
RH=mass of water vapour in air /mass of water vapour when saturated x100
Min and max ventilation rates
5-50 air changes per hour
Ammonia OEL humans (8h and 10m)
25ppm for 8hour
35ppm for 10 min
Ammonia OEL livestock
20ppm
Hydrogen sulphide OEL humans
10ppm for 8h
15ppm for 10 min
Hydrogen sulphide OEL livestock
0.5ppm
C02 OEL humans
5000 ppm for 8 h
15000 ppm for 10min
c02 OEL livestock
3000 ppm
Straw : dairy cow yard Horse Beef Sow Finishing pig Dairy cubicle
Dairy yard 4tons/y Horse 3tons/y Beef 2tons/y Sow 0.75tons/y Finishing pig 0.4tons/y Dairy cubicle 0.25tons/y
Parlour measurements One way Two way Feed passage Feed space Length of cubicle
One way 1.0m Two way 2.1m Feed passage 2.8m Feed space 70cm/cow Cubicle length 1.7+0.8xweight in tons
Straw yard space for cow
7.5-10m2/cow
Mastitis 5 point plan
1hygienic teat management 2 prompt treatment of clinical mastitis 3 dry cow theory 4 culling chronically affected 5 maintenance of milking machine
What can cause lameness
Concrete floors Prolonged slurry exposure Slippery floors Unnatural movement Automatic scrapers
Calving box space
1 box to 20 cows close season
2 boxes to 100 cows all yeR
4mx4m
Bull pen size and walls and escape
4mx4m
1.5m solid 2.2 rails
Escape 30cm
Pen space for 150,200&>200kg calf
Up to 150 - 1.5m2
Up to 200- 2m2
Over 200- 3m2
Air space for calves
6m3 per calf up to 6w
10m3 per calf over 6w
Factors for Enzootic pneumonia
New stock Close to old stock Stress High stocking rate Low ventilTion rate Poor air hygiene
Sheep areas: per ewe
Straw bedding
Wooden slats
Feeding space conc, forage and drinkers (bowls and troughs)
Straw 1.3m2 Wooden slats 1m2 Conc 0.5m2 Forage 0.2m2 Bowls 1m/10 Troughs 1m/25
Pigs Outdoor extensive Large dynamic Indoor crates Indoor nests Solari house
Outdoor 20/ hectare Large dynamic 3-4m2/sow Indoor crate 6m2/ sow Indoor nests 12m2/sow Solari 12m2/sow
Battery hens Min height Area Perches Trough space Drinkers
Height 45cm Area 750cm2/bird Perches 15cm/bird Trough space 12cm/bird Drinkers 1 nipple per 10 birds
