A19 Flashcards
How many phases is the yearly cycle of beef cows divided into, and when are they?
Period 1: Calving (feb-april)
Period 2: Re-breeding (May-June)
Period 3: Weaning (September-Ocotber)
Period 4: dry period (January)
How old is the beef cow when the 1st calving is?
24 months
How long is the 1st period?
0-80 days, from birth to re-breeding
How much milk production is expected during the 1st period?
6-10L/day
What type of feed, and how much, would we give during the 1st period?
Forages: 10-15kg (hay, straw, silage)
Concentrates: 1-2 kg (Barley:oat:corn - 1:1:1)
Urea can be supplemented
Minerals: Selenium, vitamins, salt
How long is the 2nd period?
125 days long
From day 80-205
From re-breeding to weaning of the calf
What happens to the lactation during 2nd period?
It decreases
When do we check the pregnancy?
Day 35-40 after AI
How to feed during the 2nd period?
Feed on pasture
How long is the 3rd period?
110 days
From day 205-315
Weaning to dry period
How old is the calf when weaned?
6-7 months
What type of feed to give a calf that is just weaned?
Feeding gradulally until 2kg/day solid
Concentrates: Oats and barley, NOT corn
How long is the 4th period?
50 days
From day 315-365
What type of feed to give during 4th period?
Foetus growth is highest, give forage and conenctrates
Vitamin A supplements for foetal growth and antioxidants - 2kg/day
Daily water intake:
3 x DMI
Various depending on physiological state and temperature
