Now showing items 21-40 of 74

    • Mycoplasma in Beef Cattle 

      Currin, John F.; Currin, Nancy; Whittier, W. Dee (Virginia Cooperative Extension, 2005-09-01)
      Mycoplasma is a major cause of pneumonia and associated lameness in beef cattle. The frequency and severity of disease has been growing rapidly over the last decade.
    • Strategic Use of Antibiotics in Stocker Cattle 

      Currin, John F. (Virginia Cooperative Extension, 2005-09-01)
      Bovine respiratory disease complex remains the most important health issue facing stocker-cattle producers. This publication discusses the use of antibiotics in treating BRDC.
    • Foot Rot in Beef Cattle 

      Currin, 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.
    • Pinkeye in Beef Cattle 

      Whittier, W. Dee; Currin, John F.; Currin, Nancy (Virginia Cooperative Extension, 2005-09-01)
      Pinkeye is one of the most common diseases of beef cattle in Virginia. Highly contagious, it results in mild to severe disease, causing blindness in approximately 2 percent of cases.
    • Current Strategies in Parasite Control in Virginia Beef Cattle 

      Whittier, 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.
    • Feeder and Stocker Health and Management Practices 

      Whittier, 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 ...
    • Variation in Eimeria oocyst count and species composition in weanling beef heifers 

      Lucas, A. S.; Swecker, W. S.; Scaglia, G.; Lindsay, D. S.; Zajac, A. M. (American Society of Parasitology, 2006-10)
      Rectal fecal samples were collected daily on 10 consecutive days in November 2004 from I I weaned beef heifers to assess daily variation in fecal oocyst count and species composition. Subsequent samples were collected from ...
    • Growth hormone stimulates hepatic expression of bovine growth hormone receptor messenger ribonucleic acid through signal transducer and activator of transcription 5 activation of a major growth hormone receptor gene promoter 

      Jiang, H. L.; Wang, Y.; Wu, M. Z.; Gu, Z. L.; Frank, S. J.; Torres-Diaz, R. (Endocrine Society, 2007-07)
      The objective of this study was to determine whether and how GH regulates hepatic expression of GH receptor (GHR) mRNA in cattle. Ribonuclease protection assays revealed that injection of GH in a slow-release formula ...
    • Horses experimentally infected with sarcocystis neurona develop altered immune responses in vitro 

      Witonsky, Sharon G.; Ellison, Siobhan; Yang, Jibing; Gogal, Robert M.; Lawler, Heather; Suzuki, Yasuhiro; Sriranganathan, Namalwar; Andrews, Frank; Ward, Daniel; Lindsay, David S. (American Society of Parasitology, 2008-10)
      Equine protozoal myeloencephalitis (EPM) due to Sarcocystis neurona infection is I of the most common neurologic diseases in horses in the United States. The mechanisms by which most horses resist disease, as well as the ...
    • Control of Internal Parasites in Sheep 

      Whittier, W. Dee; Zajac, A.; Umberger, Steven Henry, 1953- (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 Sheep 

      Whittier, W. Dee; Umberger, Steven Henry, 1953- (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.
    • Goat-Herd Health Calendar 

      Whittier, W. Dee; Pelzer, Kevin D.; Currin, Nancy (Virginia Cooperative Extension, 2009)
      Provides a calendar of herd health procedures for adult goats and kids
    • Milk Production Evaluation in First Lactation Heifers 

      Bailey, Thomas Lee, 1951-; Currin, John F. (Virginia Cooperative Extension, 2009-05-01)
      A critical evaluation of production in first lactation heifers once they reach the milking herd is important to determine the effects of the heifer rearing program.
    • Mycoplasma in Dairy Cattle 

      Currin, John F.; Whittier, W. Dee; Currin, Nancy (Virginia Cooperative Extension, 2009-05-01)
      Mycoplasma is a tiny bacterium that can cause mastitis, metritis, pneumonia, drooped ears, and lameness in dairy cattle. While this bacterium has existed for more than 100 years, the current disease has only recently become ...
    • Heifer Inventory and the Economics of Replacement Rearing 

      Bailey, Thomas Lee, 1951-; Currin, John F. (Virginia Cooperative Extension, 2009-05-01)
      Addresses the expense of replacement heifer rearing and how to minimize these costs.
    • Dairy Pipeline. July 2009 

      Cox, 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. November/December 2009 

      Cox, 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. June 2010 

      Currin, 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.
    • Reference Guide for Mastitis-Causing Bacteria 

      Petersson-Wolfe, Christina S.; Currin, John F. (Virginia Cooperative Extension, 2010-06-10)
      Lists types, source, control and treatment of mastitis-causing bacteria.