Flashcards in CAL: Underperformance in Dairy Heifers Deck (10):
1
Aim for age at first calving? Problems with calving sooner or later?
- 24 months
>24 older = wasted time when not being productive
v productivity in 1st and subsequent lactations, ^ risk dystocia and metabolic problems
2
Optimum weight to serve heifers
400kg
3
Min space allowance per
1.5m2 legally
- recommendation
4
Which floor space values should be used to calculate stocking density?
Indoor - this is where calves will huddle if cold etc
5
Is under stocking good?
No can also be a problem -> lack of heat and lack of ventilation
6
How many cubicles would be left free at any time?
10%
7
What serum IgG is considered adequate colostrum intake?
>1000mg/dl
8
What serum TP ia considered adequate colostrum intake?
>5.2g/dl in a healthy calf
>5.5g/dl in an ill calf (dehydration will falsely raise TP values so low values may appear normal)
9
When should serum TP values be collected?
first week of life
10