- Less claw problems
- Higher percentage non return
- Less clinical mastitis
With the best bulls for CRV Health, you will breed cows that get pregnant easily, have healthy hooves and suffer less from mastitis. Your cows will calve more easily and will be less susceptible to ketosis.
A healthy herd makes work more pleasurable and profitable. CRV Health helps you breed trouble-free, easy-to-manage cows with excellent longevity.
Index for health
CRV's indexes simplify breeding for health and efficiency. The CRV Health index improves fertility and udder and hoof health. This has the advantage of making herd management easier and reducing the number of cows that require treatment.
Improvement of health
A bull that scores + 6% for CRV Health can be expected to produce daughters with 3% fewer problems with udder health, hoof health and fertility, for example. Traits included: Fertility, Udder Health, Hoof Health, Ketosis, Calving Ease, Calf Vitality, Calf Survival.
Results of breeding for CRV Health
Practical research* shows that breeding for CRV Health works. Cows with +6% for this index have a shorter calving interval, a lower incidence of mortellaro and a lower somatic cell count.
Important building blocks of health
The CRV indexes give a complete picture of health and efficiency, but it is also possible to target the main components in the breeding strategy. Important building blocks of CRV Health are fertility, hoof health and udder health. The table below shows the effect of using a bull with a breeding value of 104 (or one standard deviation) on an average cow.
Breeding rules of thumb for health
Breeding value hoof health 104
Breeding value fertility
Breeding value udder health
3.1% fewer hoof problems
2.2% (cow)/1.8% (heifer) more pregnancies
1.7% (clinical), 3.0% (subclinical) less mastitis
€527 fewer costs
7-day shorter calving interval
8,000 cells/ml lower somatic cell count
2.9% higher non return percentage
€527 fewer costs
An achievement we are proud of
Together with farmers all over the world, we work on producing healthy and efficient herds. We have been committed to this ambition for years. That is why we are the global leader in health and efficiency, which is an achievement we are proud of!