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Prairie Swine Centre is an affiliate of the University of Saskatchewan
Prairie Swine Centre is grateful for the assistance of the George Morris Centre in developing the economics portion of Pork Insight.
Financial support for the Enterprise Model Project and Pork Insight has been provided by:
CROP RESIDUE EFFECTS ON RUNOFF NUTRIENT CONCENTRATIONS FOLLOWING MANURE APPLICATION
Posted in: Environment by admin on January 1, 2007 | No Comments
Identification of Odor Causing Compounds in a Commercial Dairy Farm
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Existing Nutritional Tools can Dramatically Reduce Swine Manure Phosphorus
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Pigs, like all other livestock species, require adequate amounts of dietary phosphorus to perform optimally. Nutrients, including phosphorus, consumed by animals in excess of what is required for growth and production are subsequently excreted from the body. High manure phosphorus content can be a problem, as it will increase the amount of land required to spread manure, especially as regulations change to focus more on phosphorus. Also, minimizing manure phosphorus will contribute towards efforts to safeguard surface water quality and reduced feed cost. Results of several research projects completed at the University of Manitoba and elsewhere show that dietary manipulations strategies could reduce total phosphorus content in swine manure by 50%. Included in this paper is a checklist of strategies you can implement on your farm to efficiently utilize phosphorus.
Ethanol Expansion in the United States: How Will the Agricultural Sector Adjust?
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Assessing the Impact of Cremating Farm Deadstock on Air Quality
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Deadstock disposal has been a hot topic in recent
years, mostly because of biosecurity concerns. Options for deadstock disposal in Ontario are currently
limited to rendering, composting and burial. Rendering is
a disposal method which now costs farmers money, rather
than providing a small source of income, as in previous
years. It is also becoming unpopular because of regulatory
restrictions.
As a result, farmers are eager to explore alternative disposal
methods for their dead livestock , especially on larger
operations where biosecurity is critical. Two methods rapidly
gaining popularity are composting and cremation.
Dr. Bill Van Heyst and graduate students Pat Linton and
Mike Thomson of the School of Engineering at the University
of Guelph have been studying the composting of deadstock,
an excellent disposal method if performed in a proper manner.
However, the emissions released during the composting
process need to be characterized to evaluate their impact
on the environment. Additionally, the nutrient availability in
the finished compost must be analyzed. The results indicate that, if best management practices
are implemented – such as the operation of a secondary
burner or after-burner at a prescribed temperature and
time – then the resulting environmental impacts are minimized.
“Upset conditions, such as frozen diesel lines, can
dramatically increase the emission of some toxic pollutants
such as dioxins and furans,” he notes.
Large Group and Auto Sort Systems
Posted in: Prairie Swine Centre by admin on | No Comments
High-Oil Oat Groats for Weaned Pigs
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After weaning, young pigs need highly palatable, digestible diets, devoid of antinutritional factors and with high digestible energy (DE) content. Feed ingredients corresponding to that description are generally expensive and choice is quite limited. One alternative could be oat groats (dehulled oats) with high oil content. Oat groats are well consumed and digested by young pigs and have the highest lysine content among all the cereal species used in swine nutrition (Van Barneveld et al., 1998; J. Sci. Food Agric. 76, 277). The specific objective of this study was to determine the nutritional value of high-oil oat groats and their effect on the growth performances of weaned pigs. The groats contained 95 g oil, 159 g crude protein and 3,724 kcal DE/kg DM. Weaned pigs fed for 4 weeks (7 to 22 kg) with diets containing graded levels (0, 15, 30, 45%) of oat groats, incorporated at the expense of wheat and soybean meal (85%-15%), presented average daily gains similar to those obtained with wheat. In conclusion, high-oil oat groats can replace wheat in diets for weaned pigs because of the high protein content and the relatively good quality of the oat proteins.