Alexandra Clare Weaver

Works (8)

Updated: July 8th, 2023 21:14

2021 journal article

Physiological Effects of Deoxynivalenol from Naturally Contaminated Corn on Cerebral Tryptophan Metabolism, Behavioral Response, Gastrointestinal Immune Status and Health in Pigs Following a Pair-Feeding Model

Toxins, 13(6), 393.

By: Y. Shen n, A. Weaver n & S. Kim n 

Contributors: Y. Shen n, A. Weaver n & S. Kim n 

author keywords: behavior; deoxynivalenol; gut morphology; nursery pigs; serotonin; tryptophan
MeSH headings : Animal Feed; Animals; Behavior, Animal / drug effects; Brain / drug effects; Brain / metabolism; Food Contamination; Gastrointestinal Tract / drug effects; Gastrointestinal Tract / immunology; Male; Oxidative Stress; Physical Conditioning, Animal; Swine; Trichothecenes / toxicity; Tryptophan / metabolism; Zea mays / microbiology
TL;DR: Consuming deoxynivalenol from naturally contaminated feed impacted gastrointestinal tract structure, altered behavior and changed Trp metabolism through increasing 5-HT turnover in hypothalamus. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: June 1, 2021

2014 journal article

Amino acid fortified diets for weanling pigs replacing fish meal and whey protein concentrate: Effects on growth, immune status, and gut health

JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY, 5(1).

By: Y. Zhao n, A. Weaver n, V. Fellner n , R. Payne & S. Kim n 

Contributors: Y. Zhao n, A. Weaver n, V. Fellner n , R. Payne & S. Kim n 

author keywords: Amino acid; Fish meal; Growth performance; Pig; Whey protein concentrate
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2014 article

Effect of feed grade L-methionine on growth performance and gut health in nursery pigs compared with conventional DL-methionine

Shen, Y. B., Weaver, A. C., & Kim, S. W. (2014, December). JOURNAL OF ANIMAL SCIENCE, Vol. 92, pp. 5530–5539.

By: Y. Shen n, A. Weaver n & S. Kim n 

Contributors: Y. Shen n, A. Weaver n & S. Kim n 

author keywords: amino acid; growth performance; gut health; methionine; nursery pigs
MeSH headings : Animal Feed / analysis; Animals; Biological Availability; Blood Urea Nitrogen; Body Weight / drug effects; Diet / veterinary; Dietary Supplements; Duodenum / anatomy & histology; Duodenum / drug effects; Glutathione / metabolism; Methionine / administration & dosage; Methionine / pharmacokinetics; Methionine / pharmacology; Regression Analysis; Sus scrofa / growth & development; Swine
TL;DR: Overall, compared with DL-Met, the use of L-Met as a source of supplemental Met in nursery pig diets enhanced duodenum villus development in association with reduced oxidative stress and improved GSH. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Efficacy of dietary spray dried plasma protein to mitigate the negative effects on performance of pigs fed diets with corn naturally contaminated with multiple mycotoxins

JOURNAL OF ANIMAL SCIENCE, 92(9), 3878–3886.

By: A. Weaver n, J. Campbell, J. Crenshaw, J. Polo & S. Kim n 

Contributors: A. Weaver n, S. Kim n , J. Campbell, J. Crenshaw & J. Polo

author keywords: aflatoxin; fumonisin; mycotoxins; pigs; spray dried plasma protein
MeSH headings : Aflatoxins / adverse effects; Animal Feed / microbiology; Animals; Biomarkers / blood; Blood Proteins / therapeutic use; DNA Damage; Diet / adverse effects; Diet / veterinary; Dietary Supplements; Ergotism / blood; Ergotism / prevention & control; Female; Food Contamination; Fumonisins / adverse effects; Male; Mycotoxins / adverse effects; Swine / growth & development; Swine / physiology; Treatment Outcome; Tumor Necrosis Factor-alpha / blood; Zea mays / microbiology
TL;DR: It is indicated that the composition of diets fed immediately after weaning may be important for pigs that subsequently are under a M challenge, and feeding a diet with SDPP improved growth performance and feed intake of young pigs directly after weaned. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Protective Effect of Two Yeast Based Feed Additives on Pigs Chronically Exposed to Deoxynivalenol and Zearalenone

Toxins, 6(12), 3336–3353.

By: A. Weaver n, M. See  n & S. Kim n 

Contributors: A. Weaver n, M. See  n & S. Kim n 

author keywords: deoxynivalenol; feed additives; pigs; yeast; zearalenone
MeSH headings : Animal Feed / analysis; Animal Feed / microbiology; Animals; Food Contamination / analysis; Food Microbiology; Liver / drug effects; Oxidative Stress / drug effects; Saccharomyces cerevisiae / metabolism; Swine; Trichothecenes / administration & dosage; Trichothecenes / toxicity; Zearalenone / administration & dosage; Zearalenone / toxicity
TL;DR: Collectively, feeding diets contaminated with mycotoxins significantly reduced growth performance and impacted pig health, and the yeast additives had varied ability to reduce mycotoxin effects on pig growth and health, but may still play a beneficial role in reducing the overall impacts of aMycotoxin challenge on pigs. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2014 journal article

Supplemental nucleotides high in inosine 5 '-monophosphate to improve the growth and health of nursery pigs

JOURNAL OF ANIMAL SCIENCE, 92(2), 645–651.

By: A. Weaver n & S. Kim n 

Contributors: A. Weaver n & S. Kim n 

author keywords: nucleotides; oxidative stress; pigs; weaning
MeSH headings : Animal Feed / analysis; Animal Nutritional Physiological Phenomena; Animals; Diarrhea / prevention & control; Diarrhea / veterinary; Diet / veterinary; Dietary Supplements; Feces / chemistry; Inosine Monophosphate / chemistry; Inosine Monophosphate / pharmacology; Swine / growth & development; Swine / immunology; Swine Diseases / prevention & control
TL;DR: The addition of a nucleotide mixture high in 5'IMP to the diet of young pigs may be beneficial to enhance growth performance and reduce postweaning stress. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 review

Improving efficiency of sow productivity: nutrition and health

[Review of ]. JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY, 4(1).

By: S. Kim n , A. Weaver n, Y. Shen n & Y. Zhao  n

Contributors: S. Kim n , A. Weaver n, Y. Shen n & Y. Zhao  n

author keywords: Colostrum; Gestation; Lactation; Milk; Nutrition; Pig
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

The Use of Feed Additives to Reduce the Effects of Aflatoxin and Deoxynivalenol on Pig Growth, Organ Health and Immune Status during Chronic Exposure

Toxins, 5(7), 1261–1281.

By: A. Weaver n, M. See  n, J. Hansen n, Y. Kim n, A. De Souza*, T. Middleton*, S. Kim n 

Contributors: A. Weaver n, M. Todd See, J. Hansen n, Y. Kim n, A. De Souza*, T. Middleton*, S. Kim n 

author keywords: aflatoxin; clays; deoxynivalenol; pigs; yeast
MeSH headings : Aflatoxins / toxicity; Animal Feed / analysis; Animals; Edetic Acid / blood; Food Additives / chemistry; Food Contamination / analysis; Food Microbiology; Immune System / drug effects; Liver / drug effects; Liver / growth & development; Organ Size / drug effects; Swine / growth & development; Swine / immunology; Trichothecenes / toxicity
TL;DR: It is concluded that AF and DON can be harmful to the growth and health of pigs consuming mycotoxins chronically and the selected feed additives improved pig health and may play a role in pig growth. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

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