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Animal Science - Swine Nutrition

Evaluating the contribution of ion pumps and protein turnover towards feed efficiency in finisher pigs selected for low and high residual feed intake

Feed costs are on the rise and are a major variable cost in swine production. As such, the overall objective of this proposal was to determine the extent to which energy sensing, insulin signaling and markers of muscle protein turnover…

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Regulation of Amino Acid Transport Efficiency by the Porcine Mammary Gland

Industry Summary: Modern swine production systems require highly productive animals. Thus, continued development of nutritional strategies to improve milk production and litter weight gain is critical. However, very little is known about the physiological mechanisms that control milk protein synthesis…

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Impacts of Feeding DDGS to Swine: Aerial Emissions and Potential Management Strategies

Feeding corn dried distillers grains with solubles (DDGS) to swine is becoming common in pork production. With feed being the primary cost in pork production and continued interest in quantifying and mitigating aerial emissions from animal feeding operations, it is…

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Comprehensive evaluation of lysine digestibility in DDGS

Lysine is the most variable of the indispensable amino acids in dried distiller’s grains with solubles (DDGS), and it has the lowest digestibility in swine feed. In order to search for an accurate indicator for lysine digestibility of DDGS in…

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Preparing for the inevitable increase in fiber content in practical pig diets

Our approach was to evaluate the best ways to characterize dietary fiber from corn co-products, and to determine the site of digestion of dietary fiber in the pig to better understand its potential contribution to dietary energy. We also evaluated…

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The influence of increasing dietary intake of omega-3 fatty acid concentration on postpartum hypophagia and energy output in the milk via alterations in lipolytic activity and insulin sensitivity of the adipose tissue.

Introduction:In the hog industry it is imperative that we maximize the reproductive performance of sows in order to optimize pig flow and thus improve the economics of pork production. Modern sows are hyper-prolific, and due to a continual increase in…

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Assessment of the effects of diets containing DDGS with supplemental tallow on fat digestibility, growth performance, carcass and fat quality in growing-finishing pigs

The use of dried distillers grains with solubles (DDGS) in swine diets has increased dramatically in recent years due to the increased availability and cost competitiveness of this corn co-product compared to corn and soybean meal. Due to high ingredient…

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Fate of Lysine and Phytate During the Bioprocess of Making DDGS

PART AThe objective of this study is to monitor the changes in lysine concentration and reactivity through the unit operations and processes that are used to make fuel ethanol. The concentrations of lysine and heat related compound, i.e. furosine, will…

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In vitro estimation and in vivo determination of metabolizable energy in corn co-products

Energetics will continue to be of great importance to the swine industry because energy contributes a significant expense to feed which contributes more than 60% of pig production costs. Changes in the corn milling industry are improving the quality and…

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Methods of Restoring Carcass Firmness and Other Post-Harvest Traits in Finishing Pigs Fed a High Level of Distillers Dried Grains with Solubles (DDGS)

The large demand for corn for ethanol production has resulted in marked increases in corn prices and a resulting increase in feed costs for swine producers. The large amounts of distillers dried grains with solubles (DDGS), one of the major…

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