Oestrus management in dairy cows

Objectives of oestrus management in a dairy herd

  • To obtain a calving interval as close to 365 days as possible- induction of oestrus and insemination of the maximum number of cows within an acceptable period post partum
  • Sustained milk production- induction of oestrus and insemination of the maximum number of cows within an acceptable period post partum.
  • Planning of lactation in the herd according to particular market demands(favourable price, seasonal products etc.) - synchronisation of oestrus and breeding of groups of cows.
  • Reduce labour expenses- induction and synchronisation of oestrus for fixed time insemination. Reduces or eliminates the need for labour for oestrus detection.
  • Management of embryo donors and recipients in embryo transfer programs.

Pharmacological oestrus management

Can also be used as therapeutic measure in cases of:

In cattle with active ovaries, the oestrous cycle can be manipulated through:

  1. Prostaglandins
  2. Combination of prostaglandins and GnRH (Ovsynch ptotocol and modifications)
  3. Progestagens (progesterone and progestagens)

In dairy herds with high incidence of ovarian inactivity the following systems are recommended:

  1. Ovsynch protocol and modifications
  2. Progestagens (progesterone and progestagens)
artificial insemination of a cow

Products for oestrus management

Information for vets about products used in oestrus management.