Fatty acids impact passive immunity
New research presented at the American Dairy Science Association annual meeting in Denver takes a look at the effect of supplementing fatty acids and the transfer of passive immunity to calves. FULL STORY »
A new way to test alfalfa
The California chapter of ARPAS, in conjunction with Sapienza Analytica LLC, presented results of a study proposing a new approach to measuring pure stand alfalfa hay quality at the American Dairy Science Association annual meeting this past July in Denver. FULL STORY »
How much zinc is needed in the dry period?
Required dietary zinc concentrations for dry and prefresh cows were reduced from 40 parts per million (ppm) by the NRC in 1989 to 22 to 30 ppm in 2001, depending upon age and dry matter intake. FULL STORY »
Watered-down rations result in lower intakes
Researchers at the University of Guelph recently tried to determine what happens to feed temperature, feed intake, feed sorting behavior and milk production of dairy cows when you add water to a total-mixed ration. FULL STORY »
Iron could lower somatic cell count
A new research study published in the May Journal of Dairy Science looked at the effect of supplementing cows from 60 days prepartum through 60 days postpartum with 0 or 30 milligrams per kilogram of supplemental iron from iron amino acid complex. FULL STORY »
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