Deck 9 Flashcards
Define thermoregulation
the ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different
Suitable luxes for chickens?
- Egg production = 10 - 20 luxes
- Egg laying & turkey hens = 20 - 25 luxes
- Early poultry grows = 80 - 100
Optimal coefficient of illumination in houses for productive animals is?
from 1:12 or 1:25
How many pulses are during the milking process?
45 - 60 per min
What is a calf hutch?
light moveable cabin for calves which provides shelter & warmth for the calf at pasture
Thermohygrograph belongs among …
bimetallic measurement
Working vacuum during milking process is?
50.6 - 53.3 kPa
Milk must be chilled from 35 - 10 *C within how many minutes?
60 mins
Preparation of udder before milking …
1st: wash with hot water 1/2 min (40 sec)
2nd: drying udder with paper/towel
3rd: fore milk before milking
Min max temp according to …
alcohol mercury + phenol (creosote)
