FDA Approval Granted New Dairy Cow Device
by Darrel Kesler, University of Illinois, Urbana, Illinois
URBANA - An intravaginal device that should improve reproductive efficiency
in dairy cows has been approved by the U.S. Food and Drug Administration,
said a University of Illinois scientist who conducted one of the pivotal trials
leading to the action.
"This is extremely important news for dairy producers," said Darrel
Kesler, a professor of reproductive physiology in the Department of Animal
Sciences. "The pivotal tests, which were conducted in Michigan, Florida,
New York, California, and Illinois, demonstrate the product is safe for the
both cows and consumers of milk products."
Marketed by Pfizer Animal Health, the device known as the Eazi-Breed CIDR
helps regulate estrus in lactating dairy cows. This allows producers to make
better-informed breeding decisions, a major factor in dairy profitability.
"The device releases natural progesterone that synchronizes estrus,"
explained Kesler. "The tests demonstrate that the level of progesterone
in the milk of cows with the cows is actually less than the level in pregnant
dairy cows. Humans have been drinking milk from pregnant dairy cows for centuries."
The product has previously been approved for use with beef cattle and dairy
heifers. Kesler said, however, that he believes the device will have its
greatest economic impact in dairy cows.
"Synchronizing estrus has been a big problem in the dairy industry,"
he said. "Getting dairy cows successfully re-bred while they are lactating
has been very difficult. Gaining FDA approval for this device will be an
important boost for producers in addressing the reproduction problem."
The trial that Kesler led involved a large dairy operation in Peoria. Data
from the trial and the others created some 10,000 pages of information that
was evaluated for a year and a half by FDA scientists before approval was
given in late July.
"The trials and the data showed the device is safe and effective,"