Iowa Swine Technical Articles

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Epidemiology of Seneca Valley Virus: Identification and Characterization of Isolates from Pigs in the United States

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Nick J. Knowles1, Laura M. Hales2, Brian H. Jones2, John G. Landgraf3, James A. House4, Kristine L. Skele2, Kevin D. Burroughs2 and Paul L. Hallenbeck2 1) Institute for Animal Health, Pirbright Laboratory, Ash Road, Pirbright, Woking, Surrey, GU24 0NF, UK.; 2) NeoTropiX, Inc., 351 Phoenixville Pike, Malvern, PA 19355, USA.; 3) Diagnostic Virology Laboratory, National

Modified pigs may be safe from deadly disease

​ Study indicates genetic deletion protects against PRRS By disabling a cell receptor, geneticists have produced pigs resistant to a disease that has killed millions of pigs and cost pork industries billions of dollars. Three modified pigs challenged intramuscularly and intranasally with an isolate of porcine reproductive and respiratory syndrome virus showed no clinical signs

Photopurification Technology for Spray Dried Plasma

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Photopurification technology utilizes ultraviolet light (UV-C, 254 nm). It has been used for years as a “pasteurization” alternative for industrial biological liquids that may contain microbes of concern for human or animal health. Photopurification by UV-C is a non-thermal process that disrupts genome transcription and replication, leading to death of a broad spectrum of bacteria,

Feeding Growing and Finishing Pigs to Maximize Net Income

Author(s): John F. Patience, Ruurd T. Zijlstra and Denise Beaulieu Publication Date: January 1, 2002 Reference: Banff Pork Seminar 2002 Country: Canada Summary: Feed accounts for 40 to 60% of total cost of production and is therefore important when attaining lowest possible cost. The goal is the best possible carcass in the shortest amount of

Genesus Global Technical Report, The Broken Sow, December 14th 2015

  The Broken Sow Lorne and Vicki Tannas Lorne and Vick Tannas are swine specialists and nucleus support for Genesus farms in China. Stop looking at the dead piglet in the farrowing pen.  By the time you have found it you have missed out on the basic cause of its death.  Generally the cause has

Genesus Global Technical Report, Litter size and survival of piglets, November 2nd 2015

Dinesh Thekkoot, PhD. Over the past few decades, genetic selection for prolificacy in pigs has resulted in significant improvement in litter size at birth and at weaning. As this is a key way to improve overall efficiency of the production system, this trait is likely to continue as an important goal trait in most of

Swine Feed Efficiency: Impact of Feeder Design and Management

Introduction One of the factors that influence feed efficiency is how pigs access feed via the feeder. Feeder design primarily impacts feed efficiency by affecting the pigs’ access to feed and feed wastage. Gonyou and Lou (1997) tested 12 feeders and found that all 12 feeders had wastage of less than 5%; smaller pigs wasted

Jim Long Pork Commentary, USDA Red Meat & Poultry, October 19th 2015

Jim Long, President and CEO Genesus Genetics The October USDA projection for US Red Meat & Poultry Production for 2016 indicates expectations for major protein availability. Red Meat & Poultry Production Million Pounds We don’t need a computer, or need to be an ag–economist to figure that if USDA is correct that in 2016 we

Selection for residual feed intake alters the mitochondria protein profile in pigs.

Abstract Residual feed intake (RFI) is a production efficiency measurement used to account for the growth performance of an individual animal. Less efficient animals have greater levels of oxidative stress. A major source of in vivo oxidative stress is the mitochondria. In this study the protein profile of mitochondria was investigated to determine differences between

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