Large Animals Sciences

Cattle in a field. Link to photo information By Sandra Avant

 

January 12, 2016

Despite a successful program to eliminate cattle fever ticks during the first half of the 20th century, these ticks still manage to cross the Mexican border into Texas. A new vaccine developed by Agricultural Research Service (ARS) scientists with the U.S. Department of Agriculture (USDA) could control these pests and help prevent a reinfestation of cattle fever ticks in the United States. These ticks can transmit pathogens that cause bovine babesiosis and anaplasmosis—diseases that can kill cattle.

EASY AND FUNCTIONAL STAINLESS STEEL MINI PASTEURIZER

PROVIDED WITH ELECTRIC HEATING IN A WATER BATH WITH DOUBLE WALL, ELECTRONIC THERMOSTAT, PROBE FOR PRODUCT, DRAIN VALVE FOR PRODUCT, MANUAL MANAGEMENT OF THE HEATING AND COOLING PHASES.

 

COLOCARE: The pasteurizer for colostrum

SIMPLE AND EFFECTIVE

Characteristics:

Pasteurizer, specific for colostrum treatment, COLOCARE SERIES are suitable and effective to pasteurize the colostrum contained in special bags. The machine is capable of performing the thermal cycles: Heating and pasteurization of the colostrum without damaging its essential component consisting of the immuno-globulins.

 Photo:  Cattle in a feedlot.

By Ann Perry
October 1, 2014

 

A recent study conducted by U.S. Department of Agriculture (USDA), Agricultural Research Service (ARS) scientists indicated that just three compounds in beef manure were responsible for generating over two-thirds of detectable odors.

Photo: Two cows and calf in a field. Link to photo information

By Sandra Avant

April 21, 2014

One reason why some cows cannot get pregnant may be because they have male (Y) chromosome fragments in their DNA, according to a U.S. Department of Agriculture (USDA) study.
Reproductive efficiency is the most economically important trait in cow-calf production. When a cow does not produce a calf, the producer does not make a profit, but still has to pay for feed, labor and other expenses.

 Photo: A lateral flow device containing a test strip that can identify botulinum toxin in less than 20 minutes.  Link to photo informationBy Marcia Wood

February 7, 2014

Botulism, the sometimes deadly illness commonly associated with botched home-canning or other stored-food mishaps, has a new face. According to U.S. Department of Agriculture (USDA) molecular biologist Robert M. Hnasko, botulism today is both a food safety and a homeland security concern because bioterrorists could—using the natural toxins that cause botulism—make everyday foods and beverages deadly. The nerve-damaging toxins, called neurotoxins, are produced by a common soil-dwelling bacterium, Clostridium botulinum, and several of its close relatives. 

Hnasko works for the Agricultural Research Service (ARS), USDA's chief intramural scientific research agency.

 Photo: Air sampling equipment set up across from dairy cows lined up at a fence. Link to photo informationBy Ann Perry

December 12, 2013

Studies by the U.S. Department of Agriculture (USDA) indicate the dust stirred up by wind and restless cattle at dairies does contain bacteria, fungi and small bacterial remnants such as endotoxins. But these potentially problematic particles are not found at high levels far beyond the barnyard.

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