March/April 2015 Pork Checkoff Research Review

Effects of PRRS Challenge on Pig Growth and Metabolic Pathways The goal was to characterize changes in blood metabolic and immunological parameters of pigs infected with PRRSV. Seventy-six gilts were selected and randomly assigned to one of four pens in a commercial finishing unit. Key Points: Within a population, pigs handle a porcine reproductive and […]

May/June 2015 Pork Checkoff Research Review

Analysis of Swine Manure Application Practices in the Midwest The goal was to identify available and feasible on-farm best management practices and technologies for swine manure storage and land application. Key Points: As animal production concentrates, increased manure nutrients and could reach levels requiring export to maintain land nutrient balance. Manure separation technologies are more […]

July/August 2015 Pork Checkoff Research Review

Impact of Disease on Growing Pigs’ Amino Acid Requirements A total of 40 gilts were used in three experiments to evaluate the impact of disease induced by bacterial lipopolysaccharide (LPS) or PRRSV on immune function measures, as well as protein and AA utilization. In trial 1, AID and protein retention were determined in saline-treated pigs. […]

September/October 2015 Pork Checkoff Research Review

Improving the Welfare of Group-housed Sows Fed via Electronic Feeding This study was designed to examine different ways of mixing sows into a large, dynamic pen equipped with electronic sow feeders. Aggression was minimal immediately following sow introduction, and different strategies for mixing sows did not affect the study’s outcomes. Key Points: Increased weight loss, […]

November/December 2015 Pork Checkoff Research Review

A Physiological Test for Sow Longevity The objective was to determine whether vulva reddening and swelling in response to low levels of gonadotropins given to gilts at an early age could provide a screening tool to estimate potential longevity. Key Points: Farrowing rates and pigs born alive were similar between gilts responding to PG600 and […]

January/February 2016 Pork Checkoff Research Review

Evaluation of an in vitro digestibility procedure for dietary fiber in high-fiber feed ingredients fed to growing pigs The objective was to develop and validate a nutritional tool to measure in vitro digestibility of fiber among high-fiber ingredients. Also to measure changes in gut physiology and function of growing pigs fed diets with different fiber […]

March/April 2016 Pork Checkoff Research Review

Microbially Converted Soybean Meal as Fishmeal Substitute in Nursery Diets This study evaluated the nutrient digestibility of microbially converted soybean meal (MCSBM) and its suitability as a fishmeal replacement in early weaned pig diets. Thirty-seven pigs were used to determine the crude protein and amino acids digestibility of MCSBM and fishmeal. Key Points: Microbially converted soybean […]

May/June 2016 Pork Checkoff Research Review

Impact of In Utero Heat Stress on Subsequent Lactational Performance and Offspring Performance This experiment evaluated the effects of heat stress across multiple generations. In a previous experiment, pregnant gilts were housed in heat–stress or thermos–neutral (control) conditions throughout gestation. Key Points: Piglets’ exposure of to heat stress while in utero has long–lasting effects. For […]

July/August 2016 Pork Checkoff Research Review

Weaned Pig Transport: Welfare Impact of Trip Duration and Providing Feed and Water This study looked at the effect on weaned pigs (behavior, performance and physiological welfare measures) of feed and water withdrawal during transport of different durations. Weaned at 18 to 22 days of age, pigs were randomly assigned to one of five treatment […]