Justin S. Fix

Works (9)

Updated: July 5th, 2023 15:49

2021 journal article

Genetic Parameters for Tolerance to Heat Stress in Crossbred Swine Carcass Traits

FRONTIERS IN GENETICS, 11.

By: M. Usala*, N. Macciotta*, M. Bergamaschi n, C. Maltecca n , J. Fix*, C. Schwab*, C. Shull, F. Tiezzi  n

Contributors: M. Usala*, N. Macciotta*, M. Bergamaschi n, C. Maltecca n , J. Fix*, C. Schwab*, C. Shull, F. Tiezzi  n

author keywords: heat stress; fat and muscle growth; genotype by environment interaction; heritability; single-step genomic BLUP
TL;DR: The results obtained from this study suggest the existence of genotype by environment interaction for carcass traits, as a possible genetic contributor to heat tolerance in swine. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 8, 2021

2021 journal article

Gut microbiome mediates host genomic effects on phenotypes: a case study with fat deposition in pigs

COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL, 19, 530–544.

By: F. Tiezzi  n, J. Fix*, C. Schwab*, C. Shull & C. Maltecca n 

Contributors: F. Tiezzi  n, J. Fix*, C. Schwab*, C. Shull & C. Maltecca n 

author keywords: Causal effect; Gut microbiome; Fat deposition; Latent variables
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 30, 2020

2021 journal article

Microbial composition differs between production systems and is associated with growth performance and carcass quality in pigs

ANIMAL MICROBIOME, 3(1).

By: C. Maltecca n , R. Dunn n , Y. He n, N. McNulty, C. Schillebeeckx, C. Schwab*, C. Shull, J. Fix n, F. Tiezzi *

Contributors: F. Tiezzi *

author keywords: Microbiome; Microbial diversity; Growth; Host genetics; Production system; Carcass quality; Swine
TL;DR: A first characterization of microbial communities' value throughout the pork production systems is provided, providing information for incorporating microbial composition into the selection process in the quest for affordable and sustainable protein production in swine. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 29, 2021

2020 journal article

Genome-wide association study for carcass quality traits and growth in purebred and crossbred pigs

JOURNAL OF ANIMAL SCIENCE, 98(1).

By: M. Bergamaschi*, C. Maltecca n , J. Fix*, C. Schwab & F. Tiezzi  n

Contributors: M. Bergamaschi*, C. Maltecca n , J. Fix*, C. Schwab & F. Tiezzi  n

author keywords: breeding; genetics; heritability; swine
MeSH headings : Animals; Breeding; Female; Genome / genetics; Genome-Wide Association Study / veterinary; Genotype; Male; Phenotype; Polymorphism, Single Nucleotide / genetics; Red Meat / standards; Swine / genetics; Swine / growth & development; Swine / physiology
TL;DR: Evidence is provided that there are overlapping and non-overlapping regions in the genome influencing carcass quality and growth traits in purebreds and 3-way crossbred pigs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 30, 2020

2020 journal article

Heritability and genome-wide association of swine gut microbiome features with growth and fatness parameters

SCIENTIFIC REPORTS, 10(1).

By: M. Bergamaschi n, C. Maltecca n , C. Schillebeeckx, N. McNulty, C. Schwab, C. Shull, J. Fix*, F. Tiezzi  n

Contributors: M. Bergamaschi n, C. Maltecca n , C. Schillebeeckx, N. McNulty, C. Schwab, C. Shull, J. Fix*, F. Tiezzi  n

MeSH headings : Animals; Gastrointestinal Microbiome; Genome-Wide Association Study; Host Microbial Interactions / genetics; Polymorphism, Single Nucleotide / genetics; Quantitative Trait, Heritable; Sus scrofa / genetics; Sus scrofa / growth & development; Sus scrofa / microbiology
TL;DR: This study provides new evidence linking gut microbiome composition with growth and carcass traits in swine, while also identifying putative host genetic markers associated with significant differences in the abundance of several prevalent microbiome features. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 20, 2020

2020 journal article

Modeling host-microbiome interactions for the prediction of meat quality and carcass composition traits in swine

GENETICS SELECTION EVOLUTION, 52(1).

By: P. Khanal n, C. Maltecca n , C. Schwab, J. Fix*, M. Bergamaschi n & F. Tiezzi  n

Contributors: P. Khanal n, C. Maltecca n , C. Schwab, J. Fix*, M. Bergamaschi n & F. Tiezzi  n

MeSH headings : Animals; Female; Gastrointestinal Microbiome; Genome-Wide Association Study / methods; Host-Pathogen Interactions / genetics; Male; Metagenome; Models, Genetic; Polymorphism, Single Nucleotide; Pork Meat / standards; Quantitative Trait, Heritable; RNA, Ribosomal, 16S / genetics; Swine / genetics; Swine / microbiology
TL;DR: Inclusion of microbiome information in the model improved predictive ability of phenotypes for fat deposition and color traits whereas including a genome-by-microbiome term did not improve prediction accuracy significantly, providing novel insight on the use of microbiome Information for the phenotypic prediction of meat quality and carcass traits in swine. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 24, 2020

2010 journal article

Differences in lean growth performance of pigs sampled from 1980 and 2005 commercial swine fed 1980 and 2005 representative feeding programs

LIVESTOCK SCIENCE, 128(1-3), 108–114.

By: J. Fix n, J. Cassady n, E. Heugten  n, D. Hanson n  & M. See n

Contributors: J. Fix n, J. Cassady n, E. Heugten  n, D. Hanson n  & M. See n

author keywords: Pigs; Genetics; Nutrition; Lean growth
TL;DR: Although via different methods, changes over the past 25 years in the U.S. swine industry with respect to both genetics and feeding programs have resulted in a 15% reduction in days to harvest and a 45% improvement in lean efficiency. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2010 journal article

Effect of piglet birth weight on body weight, growth, backfat, and longissimus muscle area of commercial market swine

LIVESTOCK SCIENCE, 127(1), 51–59.

By: J. Fix n, J. Cassady n, W. Herring, J. Holl, M. Culbertson & M. See n

Contributors: J. Fix n, J. Cassady n, W. Herring, J. Holl, M. Culbertson & M. See n

author keywords: Birth weight; Pigs; Growth performance; Composition
TL;DR: Regardless of interactions or period of production, increased birth weight resulted in heavier future BW, faster daily gain along with larger longissimus muscle area prior to harvest. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2010 journal article

Effect of piglet birth weight on survival and quality of commercial market swine

LIVESTOCK SCIENCE, 132(1-3), 98–106.

By: J. Fix n, J. Cassady n, J. Holl, W. Herring, M. Culbertson & M. See n

Contributors: J. Fix n, J. Cassady n, J. Holl, W. Herring, M. Culbertson & M. See n

author keywords: Birth weight; Pigs; Survival; Quality
UN Sustainable Development Goal Categories
1. No Poverty (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

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