Spenser Becker
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View article: A multilayered biocontainment system for laboratory and probiotic yeast
A multilayered biocontainment system for laboratory and probiotic yeast Open
The containment of genetically engineered microorganisms to designated environments of action is a paramount step in preventing their spread to nature. Physical barriers were traditionally employed to solve this issue, nevertheless, the gr…
View article: 131 Effects of a microbiome activator on nursery piglets fed varying fiber levels
131 Effects of a microbiome activator on nursery piglets fed varying fiber levels Open
Excessive dietary inclusion of non-starch polysaccharides can hinder nutrient utilization in young pigs due to their immature gut microbiome. This study investigated the impact of a stimbiotic (Signis; AB Vista Marlborough, UK) on growth p…
View article: 233 Effect of fiber and stimbiotic on growth performance and the gut microbiome in pigs challenged with F18 enterotoxigenic <i>Escherichia coli</i> (ETEC)
233 Effect of fiber and stimbiotic on growth performance and the gut microbiome in pigs challenged with F18 enterotoxigenic <i>Escherichia coli</i> (ETEC) Open
This study’s intended purpose was to understand the effectiveness of dietary fiber sources and a stimbiotic (a feed additive that increases fiber fermentability by stimulating fiber-degrading microbiota in the gut) on the sustainability of…
View article: 72 Increasing fiber intake with a soyhull and wheat middlings blend in the pre-farrowing and lactation periods reduces constipation severity in sows and impacts fecal dry matter
72 Increasing fiber intake with a soyhull and wheat middlings blend in the pre-farrowing and lactation periods reduces constipation severity in sows and impacts fecal dry matter Open
Previous studies have shown increasing soluble fiber intake pre-farrowing reduces sow constipation and stillbirths. While raw materials high in soluble fiber are costly and hard to source, stimbiotics may offer a potential way to enhance f…
View article: 74 Fiber or stimbiotic supplementation during the periparturient period and through lactation enhances sow farrowing and litter performance but with parity-dependent benefits for weaning outcomes
74 Fiber or stimbiotic supplementation during the periparturient period and through lactation enhances sow farrowing and litter performance but with parity-dependent benefits for weaning outcomes Open
Sow diets rich in fermentable fiber may improve farrowing kinetics; however, U.S. fiber sources are largely unfermentable. Stimbiotics may address this gap by driving microbial degradation of insoluble fiber. The experimental objective was…
View article: 147 Estimating bone mineral replenishment utilizing phytase and betaine following a phosphorus deficiency in growing pigs
147 Estimating bone mineral replenishment utilizing phytase and betaine following a phosphorus deficiency in growing pigs Open
Phytase is an exogenous enzyme used in swine diets to improve phosphorus availability. Our objective was to evaluate the effect of super-dosing phytase and adding betaine on growth performance and bone mineral recovery in pigs fed a diet d…
View article: PSLBI-20 Dynamic response of piglets fed different sources and levels of fiber during an enterotoxigenic <i>Escherichia coli</i> (ETEC) challenge in the post-weaning transition
PSLBI-20 Dynamic response of piglets fed different sources and levels of fiber during an enterotoxigenic <i>Escherichia coli</i> (ETEC) challenge in the post-weaning transition Open
Dietary fiber can stimulate the growth of volatile fatty acid-producing bacteria, hence promoting gut health. A stimbiotic can accelerate the settlement of a fiber-fermenting microbiome after weaning. The present study aimed to investigate…
View article: PSIV-A-3 Effect of fiber and stimbiotic on growth performance and the gut microbiome in pigs challenged with F18 enterotoxigenic <i>Escherichia coli</i> (ETEC)
PSIV-A-3 Effect of fiber and stimbiotic on growth performance and the gut microbiome in pigs challenged with F18 enterotoxigenic <i>Escherichia coli</i> (ETEC) Open
Dietary fiber has been shown to promote a healthy gut microbiota, while stimbiotics enhance fermentable substances and boost the expansion of the commensal microbiome, improving host health by alleviating deleterious effects of proinflamma…
View article: 195 Incidence of porcine ear necrosis in nursery pigs under commercial conditions is reduced with stimbiotic
195 Incidence of porcine ear necrosis in nursery pigs under commercial conditions is reduced with stimbiotic Open
Three studies were conducted to evaluate the potential benefit of a stimbiotic on porcine ear necrosis and the fecal microbiome in nursery pigs. In experiment 1, 600 mixed-sex piglets were randomly placed in 20 pens with 30 pigs/pen (n = 1…
View article: 173 Assessing the impact of fiber and antioxidant supplementation during the periparturient period on gilt constipation, piglet viability, and body condition score
173 Assessing the impact of fiber and antioxidant supplementation during the periparturient period on gilt constipation, piglet viability, and body condition score Open
Fiber supplementation during the periparturient and lactation period is increasingly recognized for its potential to improve sow and litter performance. Yucca saponins and vitamin C have been shown to improve antioxidant status, reduce hyp…
View article: 257 Estimating bone mineral replenishment following phosphorus deficiency in growing pigs
257 Estimating bone mineral replenishment following phosphorus deficiency in growing pigs Open
Available phosphorus (avP) is essential for bone health and strength in growing pigs. Our objective was to evaluate growth performance and replenishment of bone mineral in avP deficient pigs when fed diets adequate in avP. Over a 42-d test…
View article: 40 Effect of Soybean Meal Inclusion on Grow-Finish Pig Performance and Nitrogen Balance
40 Effect of Soybean Meal Inclusion on Grow-Finish Pig Performance and Nitrogen Balance Open
Mixed-sex pigs (n = 240 PIC 337×1050; initial BW = 23 ± 4.7 kg) were used to evaluate the effects of soybean meal (SBM) inclusion on the growth performance and nitrogen balance of grow-finish pigs. Pigs were assigned across 60 split-sex pe…
View article: PSIV-17 Effect of Phytase Supplementation on Growth Performance, Bone Mineralization, Metabolism, and Excretion of Calcium and Phosphorous on Fattening Pigs Fed a Diet Containing no Inorganic Phosphate
PSIV-17 Effect of Phytase Supplementation on Growth Performance, Bone Mineralization, Metabolism, and Excretion of Calcium and Phosphorous on Fattening Pigs Fed a Diet Containing no Inorganic Phosphate Open
Global concern about sustainability has led many countries to establish legislation to reduce phosphorus (P) pollution. Phytase application has evolved significantly in the last years, with greater dose rates leading to a greater reduction…
View article: PSIV-18 Live Yeast (<i>Saccharomyces Cerevisiae</i>) Improves Body Condition Score and Reduces Rectal Temperature in Sows at Weaning
PSIV-18 Live Yeast (<i>Saccharomyces Cerevisiae</i>) Improves Body Condition Score and Reduces Rectal Temperature in Sows at Weaning Open
Achieving optimal health of the sow during gestation and lactation is important to ensure sow longevity and piglet performance. As an oxygen scavenger, live yeast suppresses the growth of undesirable bacteria and promotes fiber-degrading m…
View article: The effects of dietary essential fatty acid ratios and energy level on growth performance, lipid metabolism, and inflammation in grow-finish pigs
The effects of dietary essential fatty acid ratios and energy level on growth performance, lipid metabolism, and inflammation in grow-finish pigs Open
The objective of this study was to investigate the effects of dietary metabolizable energy (ME) level and the ratio of linoleic acid:α-linolenic acid (LA:ALA) on the growth performance, lipid metabolism, circulatory and joint inflammatory …
View article: The impact of essential fatty acid ratios and unsaturated to saturated fat ratio on growth performance of grow-finish pigs and estrus detection of gilts
The impact of essential fatty acid ratios and unsaturated to saturated fat ratio on growth performance of grow-finish pigs and estrus detection of gilts Open
The objective of this study was to investigate the effects of dietary unsaturated and saturated fat ratio (U:S) and the ratio of linoleic and linolenic acid (LA:ALA) on the growth performance of grow-finish pigs and estrus detection of gil…
View article: The effects of dietary essential fatty acid ratios and linoleic acid level in grow–finish pigs
The effects of dietary essential fatty acid ratios and linoleic acid level in grow–finish pigs Open
The objective of this study was to investigate the effects of dietary linoleic acid level and the ratio of linoleic acid:linolenic acid (LA:ALA) on the growth performance, expression of genes associated with lipid metabolism, and inflammat…
View article: Water- and feed-based arginine impacts on gut integrity in weanling pigs
Water- and feed-based arginine impacts on gut integrity in weanling pigs Open
Two hundred and forty newly weaned pigs (PIC, Hendersonville, TN) were used to determine if supplementing additional arginine (Arg) either in the water or in the feed, and the combinations thereof, improved intestinal integrity and growth …
View article: A survey of vitamin and trace mineral ranges for diagnostic lab reporting from conventionally raised swine
A survey of vitamin and trace mineral ranges for diagnostic lab reporting from conventionally raised swine Open
Objective: The purpose of this study was to survey the vitamin and mineral levels in various pig tissues at different phases of the life cycle. Materials and methods: Forty-eight healthy pigs of different stages of production were used for…
View article: PSVII-8 The Impact of Dietary Essential Fatty Acids Ratios and Unsaturated:Saturated Ratio on Growth Performance of Grow-Finish Pigs
PSVII-8 The Impact of Dietary Essential Fatty Acids Ratios and Unsaturated:Saturated Ratio on Growth Performance of Grow-Finish Pigs Open
The objective was to investigate the effects of dietary unsaturated:saturated fat ratio (U:S) and the fatty acid ratio of linoleic acid:linolenic acid (n6:n3) on growth performance of grow-finish pigs. A total of 240 pigs with initial body…
View article: 106 Evaluation of a Novel Wet/Dry Feeder in Finishing Pigs
106 Evaluation of a Novel Wet/Dry Feeder in Finishing Pigs Open
Approximately 1,200 pigs (DNA 241×600, Columbus, NE) at approximately 20 kg were randomly allocated into sixty pens (20 pigs/pen) within 3 treatments to evaluate different feeder styles (conventional dry feeder (Dry), PigEasy (PE) wet/dry …
View article: 134 Water- and Feed-Based Arginine Impacts on Gut Integrity in Weanling Pigs
134 Water- and Feed-Based Arginine Impacts on Gut Integrity in Weanling Pigs Open
Two hundred and forty newly weaned pigs (PIC, Hendersonville, TN) were used to determine if supplementing with additional arginine either in the water or in the feed, and the combinations thereof, improved intestinal integrity and growth p…
View article: 206 An Investigation into the Role of Dietary Essential Fatty Acids Ratios and Energy Level on Growth Performance, Inflammation, and Joint Health of Grow-finish Pigs
206 An Investigation into the Role of Dietary Essential Fatty Acids Ratios and Energy Level on Growth Performance, Inflammation, and Joint Health of Grow-finish Pigs Open
The objective of this study was to investigate the effects of dietary metabolizable energy level and the ratio of linoleic acid:linolenic acid (n6:n3) on the growth performance and inflammatory status of grow-finish pigs. A total of 240 gr…
View article: 204 An Investigation into the Role of Dietary Essential Fatty Acids Ratios and Linoleic Acid Level on Growth Performance and Inflammation of Grow-finish Pigs
204 An Investigation into the Role of Dietary Essential Fatty Acids Ratios and Linoleic Acid Level on Growth Performance and Inflammation of Grow-finish Pigs Open
The objective was to investigate the effects of dietary linoleic acid level and the ratio of linoleic acid:linolenic acid (n6:n3) on the growth performance and inflammatory status of grow-finish pigs. A total of 300 growing pigs (BW = 41.1…
View article: 176 Evaluation of a novel threonine source for nursery pig diets
176 Evaluation of a novel threonine source for nursery pig diets Open
Four hundred and eighty (PIC 337 X 1050, PIC Genus, Hendersonville, TN) pigs were used to evaluate a novel threonine source (ThrPro, CJ America-Bio, Fort Dodge, IA) for nursery pigs from approximately 7 kg to 20 kg. At weaning, pigs were s…
View article: Adverse effects on growth performance and bone development in nursery pigs fed diets marginally deficient in phosphorus with increasing calcium to available phosphorus ratios
Adverse effects on growth performance and bone development in nursery pigs fed diets marginally deficient in phosphorus with increasing calcium to available phosphorus ratios Open
The objective of this experiment was to evaluate the growth performance and bone mineral content (BMC) of nursery pigs in response to increasing total calcium (Ca) to available phosphorus (aP) ratios in diets containing phytase (250 FTU/kg…
View article: Evaluation of a novel threonine source for nursery pig diets
Evaluation of a novel threonine source for nursery pig diets Open
Four hundred and eighty (PIC 337 X 1050, PIC Genus, Hendersonville, TN) pigs were used to evaluate a novel threonine source (ThrPro, CJ America Bio, Fort Dodge, IA) for nursery pigs from approximately 7 to 20 kg body weight (BW). After wea…
View article: Effects of an F18 enterotoxigenic Escherichia coli challenge on growth performance, immunological status, and gastrointestinal structure of weaned pigs and the potential protective effect of direct-fed microbial blends
Effects of an F18 enterotoxigenic Escherichia coli challenge on growth performance, immunological status, and gastrointestinal structure of weaned pigs and the potential protective effect of direct-fed microbial blends Open
The objective of this experiment was to investigate the impact of an F18 enterotoxigenic Escherichia coli (ETEC) challenge on growth performance, aspects of intestinal function, and selected immune responses of piglets, as well as to evalu…
View article: 175 Effects of increasing calcium to available phosphorus ratios in diets containing phytase on growth performance and bone mineral content of nursery pigs
175 Effects of increasing calcium to available phosphorus ratios in diets containing phytase on growth performance and bone mineral content of nursery pigs Open
The objective of this experiment was to evaluate the growth performance of nursery pigs in response to increasing total calcium to available phosphorus (aP) ratios in diets containing phytase (250 FTU/kg, Natuphos E, BASF, Florham Park, NJ…
View article: 132 The impact of F18 ETEC challenge on intestinal integrity and immune response of nursery pigs, and the potential protective effects of direct-fed microbial blends
132 The impact of F18 ETEC challenge on intestinal integrity and immune response of nursery pigs, and the potential protective effects of direct-fed microbial blends Open
The objectives were to investigate the impact of an F18 ETEC challenge on localized immune responses and intestinal function of piglets, and to evaluate potential protective effects of direct-fed microbial blends (DFM1 and DFM2). Thirty-si…