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View article: The Role of Salmonella Genomic Island 4 in Metal Tolerance of Salmonella enterica Serovar I 4,[5],12:i:- Pork Outbreak Isolate USDA15WA-1
The Role of Salmonella Genomic Island 4 in Metal Tolerance of Salmonella enterica Serovar I 4,[5],12:i:- Pork Outbreak Isolate USDA15WA-1 Open
Multidrug-resistant (MDR; resistance to >3 antimicrobial classes) Salmonella enterica serovar I 4,[5],12:i:- strains were linked to a 2015 foodborne outbreak from pork. Strain USDA15WA-1, associated with the outbreak, harbors an MDR module…
View article: Identification of C9-C11 unsaturated aldehydes as prediction markers of growth and feed intake for non-ruminant animals fed oxidized soybean oil
Identification of C9-C11 unsaturated aldehydes as prediction markers of growth and feed intake for non-ruminant animals fed oxidized soybean oil Open
Background The benefits of using the oxidized oils from rendering and recycling as an economic source of lipids and energy in animal feed always coexist with the concerns that diverse degradation products in these oxidized oils can negativ…
View article: Nutrient supplementation effects on pig performance and sickness behavior during a porcine reproductive and respiratory syndrome virus infection
Nutrient supplementation effects on pig performance and sickness behavior during a porcine reproductive and respiratory syndrome virus infection Open
Objective: Investigate how nutrient additive inclusion impacts performance and sickness behavior in pigs infected with porcine reproductive and respiratory syndrome virus (PRRSV). Materials and methods: At 10 weeks of age, 108 PRRSV naïve …
View article: Lack of interactive effects between diet composition and acid addition with drying method on amino acid digestibility values in porcine ileal digesta
Lack of interactive effects between diet composition and acid addition with drying method on amino acid digestibility values in porcine ileal digesta Open
Two experiments were conducted to determine the effect of oven drying (OD) or freeze drying (FD) on apparent ileal digestibility (AID) of AA in diets fed to pigs. In experiment 1, 15 barrows (88.4 ± 6.4 kg) were allotted to either a corn s…
View article: Impact of viral disease hypophagia on pig jejunal function and integrity
Impact of viral disease hypophagia on pig jejunal function and integrity Open
Pathogen challenges are often accompanied by reductions in feed intake, making it difficult to differentiate impacts of reduced feed intake from impacts of pathogen on various response parameters. Therefore, the objective of this study was…
View article: 10 Occurrence of mycotoxins in wheat middlings
10 Occurrence of mycotoxins in wheat middlings Open
Mycotoxins are harmful secondary fungal metabolites which can contaminate a variety of feedstuffs worldwide. Various negative effects in vivo are associated with these toxins and severity is dependent on the level, type, and duration of ex…
View article: 359 Occurrence of mycotoxins in 2018 us corn-based feed ingredients
359 Occurrence of mycotoxins in 2018 us corn-based feed ingredients Open
Mycotoxins are harmful secondary fungal metabolites that are detrimental to animal health and productivity. This study investigated occurrence and contamination levels of mycotoxins in the 2018 US corn harvest including corn grain, corn si…
View article: PSVI-9 Occurrence of mycotoxins in US forage grasses
PSVI-9 Occurrence of mycotoxins in US forage grasses Open
Initial survey of standing pastures in the southern United States investigated the occurrence of mycotoxins in grasses. Zearalenone (ZEN), an endocrine disruptor, was the most prevalent mycotoxin and is a potential threat to reproductive p…
View article: Synbiotic supplementation to decrease Salmonella colonization in the intestine and carcass contamination in broiler birds
Synbiotic supplementation to decrease Salmonella colonization in the intestine and carcass contamination in broiler birds Open
In vitro and in vivo experiments were conducted to study the effects of synbiotic supplementation on Salmonella enterica ser. Enteritidis (SE) proliferation, cecal content load, and broiler carcass contamination. Lactobacillus reuteri, Ent…
View article: Amino acid composition and digestible amino acid content in animal protein by-product meals fed to growing pigs1
Amino acid composition and digestible amino acid content in animal protein by-product meals fed to growing pigs1 Open
An industry survey and animal experiment were conducted to evaluate the amino acid (AA) compositional variability and standardized ileal digestibility (SID) of AA in animal protein by-products fed to growing pigs. Animal protein by-product…
View article: PSVII-11 Effects of a synbiotic (probiotic+prebiotic) on the reproductive efficiency of multiparous sows
PSVII-11 Effects of a synbiotic (probiotic+prebiotic) on the reproductive efficiency of multiparous sows Open
Sow longevity plays an important role on the profitability of any sow operation in economically and efficiently producing pigs. An experiment was conducted to evaluate the effects of a synbiotic (Biomin® PS, BIOMIN America Inc.) containing…
View article: 170 Trends in mycotoxin contamination in the united states corn
170 Trends in mycotoxin contamination in the united states corn Open
Mycotoxins are harmful secondary fungal metabolites and are of key concern to food and feed safety globally. In addition to compromised performance, mycotoxins negatively impact animal health. Although classic signs such as decreased feed …
View article: 374 Metabolic response of pigs to Porcine Reproductive and Respiratory Syndrome virus infection and nutrient restriction
374 Metabolic response of pigs to Porcine Reproductive and Respiratory Syndrome virus infection and nutrient restriction Open
Porcine reproductive and respiratory syndrome (PRRS) virus is one of the most economically significant pig pathogens worldwide. The virus infects pigs at all production stages and significantly reduces the tissue accretion of growing pigs.…
View article: Impact of porcine reproductive and respiratory syndrome virus on muscle metabolism of growing pigs1
Impact of porcine reproductive and respiratory syndrome virus on muscle metabolism of growing pigs1 Open
Porcine reproductive and respiratory syndrome (PRRS) virus is one of the most economically significant pig pathogens worldwide. However, the metabolic explanation for reductions in tissue accretion observed in growing pigs remains poorly d…
View article: Evaluating nursery pig responses to in-feed sub-therapeutic antibiotics
Evaluating nursery pig responses to in-feed sub-therapeutic antibiotics Open
Antibiotics have been used for over 60 years by the swine industry to improve growth performance and feed efficiency. With rising concerns over antimicrobial resistance and government restrictions such as the Veterinary Feed Directive on u…
View article: Mycoplasma hyopneumoniae–Lawsonia intracellularis dual challenge modulates intestinal integrity and function1
Mycoplasma hyopneumoniae–Lawsonia intracellularis dual challenge modulates intestinal integrity and function1 Open
Lawsonia intracellularis (LI) and Mycoplasma hyopneumoniae (Mh) are 2 globally distributed pathogens that cause significant morbidity and mortality in grow-finish pigs. However, mechanisms that reduce growth and feed efficiency during LI a…
View article: Effects of distillers dried grains with solubles on amino acid digestibility, growth performance, and carcass characteristics of growing pigs1
Effects of distillers dried grains with solubles on amino acid digestibility, growth performance, and carcass characteristics of growing pigs1 Open
Two experiments were conducted to compare the standardized ileal digestibility (SID) of AA by growing pigs in European distillers dried grains with solubles (DDGS) produced from wheat, maize, or wheat–maize mixtures and to test the effect …
View article: Metabolic adaptation of pigs to a Mycoplasma hyopneumoniae and Lawsonia intracellularis dual challenge1
Metabolic adaptation of pigs to a Mycoplasma hyopneumoniae and Lawsonia intracellularis dual challenge1 Open
Respiratory and enteric pathogens such as Mycoplasma hyopneumoniae (Mh) and Lawsonia intracellularis (LI) reduce lean accretion and feed efficiency (FE) in growing pigs. However, the metabolic mechanism by which this occurs is still unknow…
View article: 101 Young Scholar Presentation: How Is Pig Intestinal Function and Health Altered in Response to Pathogen Challenges?
101 Young Scholar Presentation: How Is Pig Intestinal Function and Health Altered in Response to Pathogen Challenges? Open
In recent years, gut health has been heavily discussed, yet ambiguously defined in terms of pig production. In a review article, Celi et al. (2017) defined gut health as “a steady state where the microbiome and the intestinal tract exist i…
View article: 135 Understanding the Performance Enhancing Mode of Action of in-Feed Sub-Therapeutic Antibiotics in Nursery Pigs.
135 Understanding the Performance Enhancing Mode of Action of in-Feed Sub-Therapeutic Antibiotics in Nursery Pigs. Open
In the face of the Veterinary Feed Directive, alternatives to feeding growth-promoting sub-therapeutic antibiotics (AGPs) to nursery pigs are needed. However, the mechanism of action by which AGPs work to enhance pig performance is not ful…
View article: 268 General Concepts and Measures of Oxidative Stress, Implication on Oxidative Balance, an Update on Recent Research in Swine, and Thoughts on Future Research.
268 General Concepts and Measures of Oxidative Stress, Implication on Oxidative Balance, an Update on Recent Research in Swine, and Thoughts on Future Research. Open
Optimal nutrient utilization by farm animals is essential for supporting growth and development and is vital in maintaining economical animal production. While profiles, digestibilities, and balances of energy and nutrients of feedstuffs a…
View article: Porcine epidemic diarrhea virus reduces feed efficiency in nursery pigs
Porcine epidemic diarrhea virus reduces feed efficiency in nursery pigs Open
Porcine epidemic diarrhea virus (PEDV) infects enterocytes and in nursery pigs, results in diarrhea, anorexia, and reduced performance. Therefore, the objective of this study was to determine how PEDV infection influenced growth performanc…
View article: Nursery pig growth performance and tissue accretion modulation due to porcine epidemic diarrhea virus or porcine deltacoronavirus challenge
Nursery pig growth performance and tissue accretion modulation due to porcine epidemic diarrhea virus or porcine deltacoronavirus challenge Open
Porcine epidemic diarrhea virus (PEDV) and porcine deltacoronavirus (PDCoV) are both members of the family Coronaviridae which induce clinical signs of diarrhea, dehydration, and in some circumstances, mortality. Most research has been foc…