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BEEF COW MANAGEMENT PRE CALVING: Vaccination & Trace Mineral Supplementation

The last two months before calving is probably one of the most important periods in the production cycle to ensure success. 

This not only affects the successful birth of a calf with a strong survivability, but also what happens to the calf and the cow after the birth process, to the success of the coming breeding season and even up to and including weaning time. The following aspects should receive attention:

VACCINATION

This period is the last opportunity before calving to administer important vaccines. This is the ideal opportunity to give vaccines that are especially aimed at supporting calf survival after birth, through the transmission of maternal immunity (antibodies via good quality colostrum). Diseases that affect newborns and young calves and can be reduced with vaccination include: Paratyphoid, E. coli, Rota and Coronavirus. In more intensive systems, the administration of a multi-clostridial vaccine may also be beneficial.

TRACE MINERAL & VITAMIN SUPPLEMENTATION

This time is the most critical time for trace mineral and vitamin supplementation in the cows. The following factors make this supplementation a necessity:

  • The trace mineral requirement of the cow increases dramatically during late gestation. Not only must the cow provide in her own needs, but also for those of the unborn calf. The fetus is totally dependent on the cow to be born with a good trace mineral status. 
  • Even with a good oral supplementation program (licks) in place, the development of a trace mineral gap at this time is very likely, due to the increased need. We know by now very well what the possible shortcomings of an oral trace mineral supplement program could be e.g. the role of antagonism, erratic intake due to limited trough space and dominance in the herd, relatively poor uptake of trace minerals etc.
    A further complication during late gestation is that the cow's feed intake is limited due to the rapidly developing fetus which can limit the rumen capacity - especially in the last month before calving.
  • To ensure that the calf is born with an optimal trace mineral status . This can improve the survivability of the calf immediately after birth, as the calf's immune system can function optimally early after birth to optimize immunity. 
  • The quality of colostrum. Trace mineral supplementation in late pregnancy can improve the quality of colostrum. It is measured by the amount of immunoglobulins (antibodies) in the colostrum. The immunoglobulins are what set the calf's immune system in motion and cause maternal immunity to develop.
  • To strengthen the immune response of the cow with vaccinations during late gestation. Research clearly points to the benefit of a Multimin® supplementation given simultaneously with a vaccine - even if the cattle do not have suboptimal trace mineral levels during vaccination! This benefit is also transmitted to the calf by the good quality of the colostrum, as discussed above.
  • To ensure that the cow's trace mineral levels do not drop too much with calving. A cow loses about 30% of its trace minerals during calving by means of the calf, the placenta and the amniotic fluid. Therefore, if the cow's trace mineral levels before calving were not optimal, she runs the risk of having lower immunity. This can lead to an increased incidence of post-calving diseases such as retained placenta’s, uterine inflammation, higher somatic cell count (SCC) and mastitis. It can also affect the cow's ability to get back into the cycle as soon as possible after calving.

All of the above factors therefore necessitate the use of a well-balanced and proven injectable trace mineral supplement (Multimin® Se + Cu + Cr) to bridge the trace mineral gap. An injectable trace mineral supplement like Multimin® overcomes all the problems that may be experienced with oral supplementation. This is a certain way to effectively increase the trace mineral status of each cow during this critical time. Do not forget the simultaneous Vit A & E supplementation (synergistic action)!

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