Agridirect offers some advice on the best mineral boluses for calves at weaning time.
Weaning calves – what’s all the doom and gloom about?
Some calves start to fail the moment they come off mother’s milk. You put them out on pasture and you notice the change almost immediately. Sometimes weight loss comes with the onset of infectious diseases that set the animal back even further. All too often, calves don’t make it past this stage at all.
We’ve all had to deal with the unexpected loss of weanling calves, time and time again.
And although it is hard not to despair of weak weanlings that seem prone to just about every ailment imaginable, we should also recognize that disastrous outcomes have preventable causes. The sudden removal of milk from a calf’s diet places enormous stress on its young body. Unless grass quality is of an extremely high quality, chances are that your weanlings are deficient in some crucial minerals. Insufficient copper in a calf’s diet, for example, is one of the leading causes of ill-thrift in calves on Irish farms. A lack of cobalt, on the other hand, can lead to a loss of appetite and a range of health complications. Continue reading “Mineral deficiency in calves – know the right bolus”