Calf Rearing Version 2.0
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Transcript of Calf Rearing Version 2.0
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Calf rearing
by Aoife, Lucy, Sean and Stephen
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COLOSTRUM IS YELLOW
It is a nutritious milk given to the calf for the
first few days of life It is produced by the cow for three days
Even dairy calves drink their mothers
colostrum, because it is not accepted by irishcreameries.
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Colostrum Feeding
It is rich in energy, having high oil content.
Rich in vitamins. Vit. A prevents disease.
Has a laxative effect Feed 810% of birth mass
Do not overfeed
Should be at 37 degrees Celsius
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- Feeding calves colostrum benefits the producer of
beef or dairy cattle by saving calf lives.
- Colostrum can be particularly valuable when
given to calves that are orphaned or weak at birth
or that do not have a strong nursing reflex.
- Colostrum provides essential antibodies and is an
excellent non-soluble nutritional resource
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Two types of calf rearing systems:
-suckler calves
-bucket reared calves
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Suckler calves
A new born calf will typically weigh between 40-
50 kgs It is vital for new born calves to drink at least
2litres of colostrum within the first 6 hours of life
The calf stays with the cow for 8-10 monthsbefore it is weaned and transferred for fattening
During this time both cow and calf graze together
outside
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There are two types suckler systems:
- Singular suckler system
- Multi-suckler systemSingle suckler system: Each calf is suckled by its
mother until it is weaned at nine months old.
Farmer will separate the cow and calf for a whileso that it does not drink all of the milk. Takes
longer to rear.
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Multi-suckler system: Several calves are
fostered onto one calf in addition to her own.
These calves mothers can then be used wholly
for milk production.
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In Winter are moved into large open barns
Are fed on conserved fodder, typically grass
silage
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How a Bucket Fed Calf is
reared
Colostrum
Calves after birth usually stay with mother forfirst few days of life.
This is so that the calf can get colostrum which
is essential for the young calf. If it is taken away from mother feed
replacement colostrum.
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Milk
Calves need milk for the first few months of
their life.
Obtain cows milk, or calf replacement and
feed with the bottle.
Access to hay and concentrates from 1 week.
Should be fed twice daily with milk replacer ina bottle.
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Hay + Conc. Food
Access to hay + Concentrates from 1 week
Feed calf meals or pellets after 5 weeks.
By one month calves should be eating grass.
Introduce feed changes slowly
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Clean, warm, dry and draught free. They can be held in pens, cubicles or hutches. Always provide adequate ventilation forcalves Calves aged less than 3 months should be
isolated from older animals.
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Weaning
Wean the calf from milk onto water
Target weaning age is eight weeks
Calves must weigh at least 65 Kg prior toweaning.
Calves should be consuming a good hearty
amount of solid food or calf pellets
Calf starter will help with the transition.
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After weaning
After the calf has been weaned start to
introduce it to groups of other calves.
Provide hay, water and grass as calf grows.
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The End
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Question Time
With Stephen
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Question 1
Why is a calf bucket fed and not let be with the
mother?
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Question 2
When do you wean a bucket fed calf?
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Question 3
Why are hay and concentrates
important for calves?
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Question 4
How many days the cow produce colostrum?
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Question 5
How much colostrum do you feed the calf?
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Question 6
What Colour is
colostrum?
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Question 7
What does vitamin A do?
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Question 8
Where can you house calves?
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Question 9
Why would you not introduce a
calf to the heard straight away?
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Question 10
How long does the calf stay with the cow
before it is weaned?