Iowa Swine Technical Articles

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U of Illinois Research: Dust Particles in Livestock Facilities: Sweat the Small Stuff

A beam of sunlight streams into your living room, illuminating a Milky Way of dust particles hanging in the air. Although the air looks thick, those visible dust particles are so big that they can’t reach the smallest branches of the respiratory tree in your lungs. It’s the dust we can’t see-smaller than 2.5 microns,

Performance of Growing-Finishing Pigs Fed Diets with Reduced Crude Protein

Author(s): J. Patience, A.D. Beaulieu, R. Zijlstra, D. Gillis and J. Usry Publication Date: January 1, 2002 Reference: Prairie Swine Centre Annual Research Report 2002 pp. 26-27 Country: Canada   Summary: Successful formulation of low protein diets increases our flexibility in formulating practical diets, providing us with another tool to lower nitrogen output in the slurry and to reduce

Genesus Global Technical Report

Utilizing Commercial Data to Improve Genetic Response Nick Boddicker, Ph.D. Geneticist nboddicker@genesus.com     Genetic improvement in swine and its dissemination is commonly depicted as a pyramid (Figure 1). Genetic improvement is achieved using pure breeds or lines at the nucleus, located at the top of the pyramid. This is the smallest sector of the pyramid.

New Hypor Libra* Sow Reduces Labor Costs, Increases Profitability

The new Hypor Libra* (pronounced Libra star) sow balances traits in piglet quality, mothering ability and sow longevity to increase the number of pigs that employees can manage and lower the labor costs from farrow to wean. “The cost for labor is one of the highest expenses on the farm—second only to feed and housing,

Restraint Of Livestock

Temple Grandin Assistant Professor Department of Animal Sciences Colorado State University. During twenty years of work on livestock handling and design of restraining devices for animals I have observed that many people attempt to restrain animals with sheer force instead of using behavioral principles. Improvements in the design of restraining devices enhances animal welfare and

Tiny bubbles help heal broken bones, in pigs

Source:American Association for the Advancement of Science Summary:Researchers have developed a much needed alternative to bone grafts that could help alleviate the long-term hospitalization, disability, and considerable costs to the health system associated with non-healing fractures. Researchers have developed a much needed alternative to bone grafts that could help alleviate the long-term hospitalization, disability, and

Two clinical isolates of Mycoplasma hyosynoviae showed differing pattern of lameness and pathogen detection in experimentally challenged pigs

Citation J Vet Sci 2016, 17(4), 489-496 Comments ⓒ 2016 The Korean Society of Veterinary Science. Abstract Mycoplasma (M.) hyosynoviae is known to colonize and cause disease in growing-finishing pigs. In this study, two clinical isolates of M. hyosynoviae were compared by inoculating cesarean-derived colostrum-deprived and specific-pathogen-free growing pigs. After intranasal or intravenous inoculation, the

Weaning Sows Directly into Group Housing: Aggression, Welfare & Production

Social stress from mixing sows has the potential to negatively affect sow production and welfare. Housing sows in stalls from weaning until five weeks after breeding is a common strategy used to prevent aggression and ensure control over individual feeding during breeding, conception and implantation.   However, alternative management options are needed as pressure to reduce

Michigan State University research and extension teams focus on pig aggression – Part 1

Why pig aggression? Despite undergoing genetic selection for commercial production, free-ranging (feral) pig populations adopt similar behavior to their wild boar ancestors, living in social groups of two to six females along with their litters, and sub-adults . These groups form linear dominance hierarchies, based on age and size, with one “boss sow” and the

Genetic and Genomic Basis of Antibody Response to Porcine Reproductive and Respiratory Syndrome (PRRS) in Gilts and Sows

  Our recent research showed that antibody response to porcine reproductive and respiratory syndrome (PRRS), measured as sample-to-positive (S/P) ratio, is highly heritable and has a high genetic correlation with reproductive performance during a PRRS outbreak. Two major quantitative trait loci (QTL) on Sus scrofa chromosome 7 (SSC7; QTLMHC and QTL130) accounted for ~40 %

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