Tag Archives: Swine

Mathematical Modelling of the Dynamics and Control of Salmonella

The Pig Site – Key findings are outlined from a research project carried out at the University of Liverpool which was funded by the Biotechnology and Biological Sciences Research Council and BPEX, as part of a Collaborative Award in Science and Engineering (CASE) studentship.
The aim of the research was to develop mathematical models to understand the dynamics of Salmonella transmission on finishing pig farms in the UK and assess whether farm structure has any effect on this. The aim was to use these models to investigate where control strategies should be aimed.
Two key forms of unit structure (fully slatted and solid floor) were analysed and three models describing Salmonella transmission were developed:
  • Single room, fully-slatted floor
  • Multiple rooms, fully-slatted floor
  • Single room, solid floor
The models identified some key results with regard to on-farm Salmonella dynamics.
A principal finding showed that there is not a single action that can solve the problem but rather, a number of aspects should be targeted… Continue Reading
 Source and Photo: The Pig Site, November 28, 2013
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Genomics Offers Potential Tool for Limiting Swine Disease

5The Pig Site – “Limiting Disease Through Genetic Selection” was discussed last week as part of Saskatchewan Pork Industry Symposium 2013. Dr John Harding, a professor of veterinary medicine with the Western College of Veterinary Medicine in Saskatoon says on the human side there’s no question genomics is the future and now, with the pig genome being mapped and publicly available, we’ll see the momentum continuing.

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Meteorological Effects on Seasonal Infertility in Pigs

18The Pig Site – A study at Leeds University in the UK shows it is important for farmers to provide outdoor sows with methods to keep themselves comfortable throughout the year and, crucially, not only during the summer months. Painting outdoor huts white and insulation help to keep sows both comfortable and productive, while wallows and sprinklers need to be provided early in the year and throughout the summer months … Continue Reading

 Source: The Pig Site, November 21, 2013

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Technical Cooperation Project – Development of technique for utilization of microbes to improve productivity of the chicken

39By Gilberto Silber Schmidt

Labex Korea – Rural Development Administration (RDA) seems to meet required knowledge and constitutes a potential partner to integrate the Applied Biotechnology area for human and animal feed additives, health and welfare.

The bio prospection of Brazilian resources for new metabolites (enzymes) for food and feed application is relevant because Brazil is one of the main animal protein producer and investments in this area could work in favor of a less expensive production and/or more sustainable production systems associated to a healthier and tastier food.

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Development of Ante- and Post-mortem Meat Inspection of Pigs as a Welfare Diagnostic Tool (PIGWELFIND):

3The Pig Site – Suboptimal housing, management and stockmanship are associated with poor welfare in pigs and are reflected in disease, abnormal behaviour, injury, poor longevity and reduced productivity. Pig producers are caught in a dilemma driven by poor profit margins and the demand for cheap food on one side and the demand for high standards of animal welfare, environmental protection and food safety on the other. However, while maintaining high standards of animal welfare undoubtedly costs money there are also serious financial costs associated with poor welfare.

This concept is central to the authors’ current research, which aims to determine the financial costs associated with pig welfare problems on farm. Furthermore, this research aims to validate indicators of pig health and welfare measured on the carcass at meat inspection as a diagnostic tool for use by the producer and his/her private veterinary practitioner (PVP)  ……. Continue Reading

 Source: The Pig Site, November 21, 2013

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New Tools for Precision Feeding

18The Pig Site – The current high feed costs increase the need for developing cost-effective feeding strategies for growing-finishing pigs. Well-tested mathematical models that represent nutrient utilisation for growth allow for a systematic approach to optimising feeding programmes for individual pig units, considering local pig performance potentials and available feed ingredients, as well as environmental and economic conditions.

In this paper, Professor Kees de Lange presented examples are given where the NRC (2012) Nutrient Requirements of Swine model for growing-finishing pigs is used to explore effects of gender, pig performance potentials, feed intake, and use of high-fibre co-products as feed ingredients on nutrient requirements.

These examples stress the need to monitor closely current performance and to evaluate feeding programmes regularly…>>Continue Reading<<

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Greenhouse Gas Emissions from Pig and Chicken Supply Chains

39The Poultry Site – The livestock sector is one of the fastest growing sub-sectors of the agricultural economy, and faces several unprecedented and concomitant challenges, according to the FAO report, Greenhouse Gas Emissions from Pig and Chicken Supply Chain. The sector needs to respond to the increasing demands for livestock products that are arising from population growth and changing consumer preferences. It also has to adapt to changes in the economic and policy contexts, and in the natural environment upon which production depends. At the same time, it has to improve its environmental performance and mitigate its impact on climate.
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