Department of Large Animal Clinical Sciences
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Browsing Department of Large Animal Clinical Sciences by Content Type "Extension publication"
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- Anaplasmosis in Beef CattleWhittier, W. Dee; Currin, Nancy; Currin, John F. (Virginia Cooperative Extension, 2005-09-01)Anaplasmosis is an infectious disease of cattle caused by several species of the blood parasite Anaplasma. A. marginale is the most common pathogen of cattle.
- Beef cow/calf herd health program and calendarWhittier, W. Dee; Currin, John F. (Virginia Cooperative Extension, 2000)
- Beef Cow/Calf Herd Health Program and CalendarWhittier, W. Dee; Currin, John F. (Virginia Cooperative Extension, 2005-09-01)Losses caused by disease represent a major obstacle to the profitability of many cow/calf beef operations. It is widely agreed that prevention rather than treatment is the most economical approach to keeping disease losses low.
- Calving Emergencies in Beef Cattle: Identification and PreventionWhittier, W. Dee; Currin, Nancy; Currin, John F.; Hall, John B. (Virginia Cooperative Extension, 2005-09-01)Calving difficulty, technically called dystocia, is a major cause of death loss in cow-calf herds. Studies indicate that dystocia is responsible for 33 percent of all calf losses and 15.4 percent of beef cattle breeding losses.
- Control of Internal Parasites in SheepWhittier, W. Dee; Zajac, Anne M.; Umberger, Steven H. (Virginia Cooperative Extension, 2009)Internal parasites are a threat to sheep health and productivity. Increased understanding of the role and actions of internal parasites provides the basis for more effective control programs.
- Control, Treatment, and Elimination of Foot Rot from SheepWhittier, W. Dee; Umberger, Steven H. (Virginia Cooperative Extension, 2009)Ovine foot root is an infectious, contagious disease of sheep that causes severe lameness. Control and elimination of the disease should be the goal of all sheep producers.
- Current strategies in parasite control in Virginia beef cattleCurrin, John F.; Whittier, W. Dee (Virginia Cooperative Extension, 2000)
- Current Strategies in Parasite Control in Virginia Beef CattleWhittier, W. Dee; Currin, John F. (Virginia Cooperative Extension, 2005-09-01)Many advances have been made in the field of livestock parasite control over the past few years. Because parasites decrease production, control of parasites can have a direct economic impact on beef cattle operations.
- Dairy Pipeline. July 2009Cox, Beverly Gwen; Currin, John F. (Virginia Cooperative Extension, 2009-06-17)Discusses performance of various cooling systems on dairy farms, and appropriate level of milk production to dry off or cull a cow.
- Dairy Pipeline. June 2010Currin, John F.; Cassell, Bennet G. (Virginia Cooperative Extension, 2010-06-01)Discusses management and prevention of metritis and correctly identifying sires of cows in Virginia.
- Dairy Pipeline. March 2011Machado, Kayla L., 1987-; Currin, John F. (Virginia Cooperative Extension, 2011-03-01)Discusses preparing calves' milk to minimize bacteria, and dewormers.
- Dairy Pipeline. November/December 2009Cox, Beverly Gwen; Welsh, John; Currin, John F. (Virginia Cooperative Extension, 2009-11-05)Discusses ways to preserve winter teat condition, herd shares as an alternative milk marketing option, and proper injection of meds to cull dairy cows that may become beef cows.
- Dairy Pipeline. September 2013Martel, Cynthia; Currin, John F. (Virginia Cooperative Extension, 2013-09-05)Discusses silo maintenance and silage density.
- Environmental Streptococci and Enterococcus spp.: A Practical Summary for Controlling MastitisPetersson-Wolfe, Christina S.; Currin, John F. (Virginia Cooperative Extension, 2012-07-12)Many milk culture laboratories across the United States do not distinguish between environmental streptococci and Enterococcus spp. However, this document will address the inherent differences between these pathogens as well as the similarities.
- Escherichia coli: A Practical Summary for Controlling MastitisPetersson-Wolfe, Christina S.; Currin, John F. (Virginia Cooperative Extension, 2011-07-29)Escherichia coli are Gram-negative bacteria, similar in structure to Klebsiella spp. E. coli mastitis is typically associated with a quick onset and often severe clinical signs.
- Estrus Synchronization for HeifersHall, John B.; Liles, Amanda Gail; Whittier, W. Dee (Virginia Cooperative Extension, 2005-09-01)By using estrus synchronization and artificial insemination, you can increase the number of heifers calving early in the calving season, reduce dystocia, use superior sires, and increase calf weaning weights.
- Feeder and Stocker Health and Management PracticesWhittier, W. Dee; Currin, John F. (Virginia Cooperative Extension, 2005-09-01)Disease represents a major problem in most feeder and stocker settings. Outbreaks of disease can result in as much as a 30% death loss. Treatment costs, feed efficiency losses, and labor necessary for treatment make disease loss substantial in many situations.
- Feeder and stocker health and management practicesCurrin, John F.; Whittier, W. Dee (Virginia Cooperative Extension, 2000)
- Foot Rot in Beef CattleCurrin, John F.; Whittier, W. Dee; Currin, Nancy (Virginia Cooperative Extension, 2005-09-01)Foot rot is a common disease of cattle that can cause severe lameness and decreased weight gain. Other common names for the disease are sore foot and foul foot.
- GnRH Based Estrus Synchronization Systems for Beef CowsHall, John B.; Whittier, W. Dee; Myers, Jim; Cline, Mark A.; Cuddy, David (Virginia Cooperative Extension, 2005-09-01)New systems of synchronizing estrus in cows for artificial insemination have been developed using Gonadotropin Releasing Hormone (GnRH). These systems allow producers to artificially inseminate cows with little or no heat detection