Posted by Administrator on July 22 2009 13:00

May 18, 2009 — Dr. Luiz Souza As warmer weather approaches, producers must be prepared and start thinking about the critical points in the production system to avoid the consequences of higher environmental temperatures on productivity. Although most swine herds are managed in controlled confinement facilities, it is not always possible to avoid negative effects of high temperatures (above 73.5-77.0 °F) on pig performance. Heat stress is one of the major concerns in pork pro... [More]

Posted by Dr. Sara Rose on July 14 2009 11:38

What cows are especially susceptible to dehydration? Fresh cows Sick cows Especially mastitis, metritis, diarrhea, displaced abomasum, pneumonia How can I tell if a cow is dehydrated? Sunken eyes Pinch skin on neck or eyelid and look for a "skin tent" Dark, yellow urine Do Banamine or Antibiotics treat dehydration? Banamine will reduce fever and bind toxins Antibiotics will kill bacteria Neither of these drugs will treat dehydration Why is it important to addr... [More]

Posted by Dr. Sara Rose on July 14 2009 09:51

Affects of Heat on Bulls Bull exposed to 95 degree temperature 70% increase in abnormal sperm 20% decrease in motility Sperm content did not return to normal for 40 days When do cows become heat stressed? This is a combination of temperature and humidity Temperature-humidity index of 72 What are the symptoms of heat stress? Rectal temperature over 102.5 degrees Cows respiratory rate is over 80 breaths/minute Milk production drops more than 8-10% Dry Matter Intake ... [More]

Posted by Administrator on January 01 2003 00:00

Heat Stress Beef Newsletter 2nd Quarter 2003 In preparing for summer feeding, consider these aspects to create an adequate water source. Space: When the weather gets hot, cattle like to congregate around the water sources, so we need to make sure there is plenty of space available for all cattle to eliminate crowding and bunching. When cattle bunch up, it decreases the rate of evaporation, compounding the effects of the heat. The easiest way to do this is to add additional temporary tanks... [More]