Detecting sick calves

08 Nov, 2018 04:00 PM
Comments
0
 
Calves can show subtle signs of disease up to two days before it is apparent.
Step activity, lying bouts, and milk intake may prove to be a useful tool in identifying disease.
Calves can show subtle signs of disease up to two days before it is apparent.

US researchers tracking sick calves with auto-detectors found they displayed symptoms two days before the condition became apparent.

The scientists from Virginia paired calves with respiratory disease with healthy hutchmates and compared their movement measurements and milk intake. They used an automatic calf feeder and the 30 pre-weaned calves were each fitted with an accelerometer.

The unwell calves were less active before, on the day of, and after respiratory disease diagnosis. They had reduced lying frequencies starting two days before diagnosis, as well as after diagnosis. They also consumed less milk.

"Step activity, lying bouts, and milk intake may prove to be a useful tool in identifying respiratory disease," the researchers reported. "Housing of calves can pose a challenge in identifying respiratory disease; therefore, it is necessary to develop tools that can identify these disease events."

This article courtesy of GippsDairy News first appeared in the May-June 2018 edition of the Australian Dairyfarmer

See the calf-rearing section our website for more stories like this one. Click here

POST A COMMENT


Screen name *
Email address *
Remember me?
Comment *
 
Best management practice of ryegrass and managing the residual height throughout dry periods is critical to enhance persistence of pasture. 
26 Dec 18 Best management practice of ryegrass and managing the residual height throughout dry periods is critical to enhance...
A new definition of 'genetically modified' currently awaiting parliamentary approval could see a swathe of new grasses on the market within three years.
13 Nov 18 A new definition of "genetically modified" currently awaiting parliamentary approval could see a swathe of new...
light grey arrow
The processors have not got used to the idea that the supermarkets have 'disrupted' their
light grey arrow
This why if you own and control the selling platform in a free and supposedly open market, You
light grey arrow
What I find confusion and strange is that the NEW AUSTRALIAN DAIRY PLAN has not got any form or
Spending $2.7million to build a new dairy is part of a rolling upgrade and improvement plan for VAN Dairy Group, located at Cape Grim, Tasmania.29 Dec 18 Spending $2.7million to build a new dairy is part of a rolling upgrade and improvement plan for VAN Dairy Group,...
Australian Dairyfarmer's Jeanette Severs checked out the range of new and interesting products and services on show at the South Gippsland Dairy Expo in September, while Peter Roach caught up with suppliers at the Elmore Field Days in October.02 Dec 18 Australian Dairyfarmer's Jeanette Severs checked out the range of new and interesting products and services on show...
Australian farm chemical manufacturer Nufarm has repaired its balance sheet and is now hunting for acquisition opportunities.25 Sep 16 Australian farm chemical manufacturer Nufarm has repaired its balance sheet and is now hunting for acquisition...
Monopoly market may confront cropping sector under mega-merger proposal.22 Sep 16 Monopoly market may confront cropping sector under mega-merger proposal.