Conditions ripe for bloat in cattle

Widespread rain events have seen pasture growth develop - a great step towards recovery, especially on fire-affected country.

But this can come with its challenges.

This rain has encouraged a flush of rapid legume growth at a time when dry paddock feed is lacking, increasing the risk that cattle develop bloat.

This could last for a couple more weeks yet, until the plants get taller, older and starts to mature, or experiences a few frosts to "harden it up".

This process effectively increases fibre in the diet, slowing down digestion and promoting longer cud chewing and saliva production.

Farmers need to be alert to the risk of bloat in cattle grazing on lucerne, clover and medic-rich pastures.

This is particularly relevant in the east of the region around Albury, Holbrook and the Upper Murray following recent reports of cattle deaths.

When cattle feed on young, legume-rich pasture that isn't balanced with adequate fibrous feed, a frothy foam forms and the animals are unable to belch the gas.

The distended rumen puts pressure on the lungs, heart and blood vessels - death is rapid and treatment is usually impossible.

Early signs of cattle bloat include an obvious swelling of the upper left flank.

Severe cases, where animals are showing obvious distress, need urgent relief and you need to seek veterinary advice.

Prevention is the key. There are a number of bloat-prevention options, such as bloat oils, liquids, pellets, blocks and dry licks. Feeding hay can also help.

Also, make sure your clostridial vaccination is up-to-date as some cases of bloat may be pulpy kidney in disguise.

If conditions are very high risk on your property, you might consider a combination of preventatives.

To chat more about managing bloat, get in touch with a district vet in your region by contacting your nearest Local Land Services office on 1300 795 299.