Watch for a large drop in milk yield’ is the Lungworm warning for dairy farms

  • Watch for a large drop in milk yield’ is the Lungworm warning for dairy farms
    FarmIreland.t. E.
    Farmers face up to 25pcs drop of milk yield, as the risk of lungworm in cows increases due to extreme weather conditions this year.
    https://www.independent.ie/business/farming/dairy/dairy-advice/watch-for-a-big-drop-in-milk-yield-lungworm-warning-for-dairy-farmers-37211508.html
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Farmers face up to 25pcs drop of milk yield, as the risk of lungworm in cows increases due to extreme weather conditions this year.

Glanbia vet Shane McElroy told farmers at a meeting on the planning of feed of cooperative in Navan that dairy herds at risk of developing lungworm, which can cause significant reduction in milk yield.

“We were cold, wet spring and hot, dry weather in the summer, so there is a low level of parasitic challenge to date. Parasites were not only at low levels and could not very common,” he said.

“With the rain that came they get development and distribution and will be a great risk of lungworm in the next few weeks. “

Mr McElroy said, as farmers to hear increased cough or notice a strong dip in milk yield in their herd, it is important that they are treated for lungworm.

“The increase in the cough is a big sign of lungworm. Also watch for a big drop in milk yield. You will get a cough after two to five days.

“If you see 25pcs drop of milk you want to treat the whole herd is grazing. This may sound like a cow getting worse when you treat them as the dead worms should be coughing up first.”

Lungworm or khuzaa called parasitic worm, and although, as a rule, is connected with a problem in calves during their first grazing season, it may in certain circumstances be a problem in subsequent grazing seasons.

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Outbreaks can be widespread, unpredictable, and economic values resulting in reduced animal performance, milk yield and in severe cases loss of the animal.

The symptoms usually observed in young cattle in their first grazing season in late summer.

The nature and severity of lungworm infection depends on the number of larvae that are ingested and the reaction of the animal. Lungworm can have both direct and indirect effects.

Indirect impacts are mostly as a result of inflammatory reactions, where lungworm multiplies and begins oviposition. Individual animals will vary, depending on the severity of the symptoms.

If left untreated parasitic bronchitis is the main issue in the previously naive cattle, which usually (but not always) animals in their first grazing season.

In the Irish context, we usually see outbreaks in the period from August to October, but it may vary from year to year depending on grazing conditions, weather, etc.

Clinical signs

Clinical signs of the disease include intermittent coughing, especially after moving out of the warehouse. Moderately affected animals will cough attacks, even when they are resting and can show signs of increased shortness of breath.

Affected animals suffer from respiratory ailments have an increased respiratory rate accompanied by open mouth breathing with head and neck outstretched. The language also appears like they are trying to cough. The cough is severe deep ‘husk’ cough. Trash can quickly lose condition.

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