Viruses were extremely âpopularâ in the â90s, which is when the term âAntivirusâ became common, but today viruses are the minority when it comes to malware. There are, however, a few at-large viruses currently evolving and spreading, these include âSalityâ and âVirutâ.
Thatâs especially true when it comes to the leg labeled health, and thatâs reason enough, Baker says, to consider vaccinating your calves at branding or turnout. Traditionally, the recommendation has been to wait until calves are at least four months old before administering any vaccines. That way, goes the conventional wisdom, thereâs a reduced chance that the antibodies in the colostrum will cancel the effects of the vaccine.
1 The main objective of weaning is therefore to enable a cow to calve every year by allowing her to regain condition after weaning. 2  Calves are ideally weaned when they are 7 to 8 months old.3  The right time to wean a calf depends on the condition of the cow and not the age of the calf. In the more western parts of the country calves can be weaned late in May or early June at the age of about 7 to 8 months as the breeding season tends to be later in these areas.