Works (7)
Updated: July 5th, 2023 16:00
2019 journal article
Contamination of eggs by Salmonella Enteritidis in experimentally infected laying hens of four commercial genetic lines in conventional cages and enriched colony housing
Poultry Science, 98(10), 5023–5027.
author keywords: Salmonella Enteritidis; laying hens; eggs; housing systems; genetic lines
MeSH headings : Animal Husbandry; Animals; Chickens / genetics; Color; Female; Housing, Animal; Incidence; North Carolina / epidemiology; Ovum / microbiology; Ovum / physiology; Pigmentation; Poultry Diseases / epidemiology; Poultry Diseases / microbiology; Salmonella Infections, Animal / epidemiology; Salmonella Infections, Animal / microbiology; Salmonella enteritidis / physiology
TL;DR:
Results demonstrate that S. Enteritidis deposition inside eggs can vary between genetic lines of infected laying hens, but housing these hens in 2 different systems did not affect the production of contaminated eggs.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: November 4, 2019
2011 journal article
Comparison of environmental and egg microbiology associated with conventional and free-range laying hen management
POULTRY SCIENCE, 90(9), 2063–2068.
author keywords: egg microbiology; conventional cage; free-range; environmental; shell egg
MeSH headings : Animal Husbandry / methods; Animals; Chickens; Environmental Microbiology; Female; Food Microbiology; Oviposition; Ovum / microbiology; Seasons
TL;DR:
Season of the year played a role in both environmental and egg microbial levels, and understanding the differences in microbial populations present on conventional cage-produced and free range-produced eggs can lead to the development of effective cleaning procedures, enhancing food safety.
(via Semantic Scholar)
open access via academic.oup.com (publisher PDF)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2007 journal article
Effects of genetic selection on behavioral profiles of single comb white Leghorn hens through two production cycles
POULTRY SCIENCE, 86(9), 1814–1820.
author keywords: chicken; laying hen; molt; behavior; fearfulness
MeSH headings : Animal Husbandry / methods; Animals; Behavior, Animal / physiology; Chickens / genetics; Chickens / physiology; Female; Molting / physiology; Selection, Genetic
TL;DR:
Four layer genetic stocks and a commercial laying stock were utilized to evaluate potential changes in behavioral profiles due to the effects of genetic selection through 2 production cycles, indicating that long-term genetic selection by commercial egg-type breeding firms to enhance production parameters has had no impact on laying strain behavior patterns.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2004 journal article
Survey of shell egg processing plant sanitation programs: Effects on non-egg-contact surfaces
JOURNAL OF FOOD PROTECTION, 67(12), 2801–2804.
MeSH headings : Animals; Bacteria, Aerobic / isolation & purification; Chickens; Colony Count, Microbial; Egg Shell / microbiology; Enterobacteriaceae / isolation & purification; Equipment Contamination; Food Contamination / analysis; Food Contamination / prevention & control; Food Handling / methods; Food Handling / standards; Food Microbiology; Food-Processing Industry / methods; Food-Processing Industry / standards; Hygiene
TL;DR:
Pre and POST levels of plant sanitation, as determined by direct microbial plating, did not differ significantly and it is difficult to draw definitive conclusions about how rigid SSOPs should be for the shell egg processing industry.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2004 journal article
The effects of different beak trimming techniques on plasma corticosterone and performance criteria in single comb White Leghorn hens
POULTRY SCIENCE, 83(10), 1624–1628.
author keywords: beak trim; corticosterone; production criteria
MeSH headings : Animal Husbandry; Animals; Beak / surgery; Behavior, Animal; Body Weight / physiology; Chickens / physiology; Corticosterone / blood; Fear / physiology; Feathers; Feeding Behavior / physiology; Female; Leukocytes / physiology; Radioimmunoassay; Survival / physiology
TL;DR:
It was concluded that pullets and hens could adapt to the physiological stress of beak trimming and out perform, during a lay phase, controls whose beaks were not trimmed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
1. No Poverty
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2002 journal article
Effects of cryogenic cooling of shell eggs on egg quality
POULTRY SCIENCE, 81(5), 727–733.
author keywords: cryogenic cooling; Haugh unit; egg grade; vitelline membrane
MeSH headings : Air; Animals; Carbon Dioxide; Chickens; Cold Temperature; Cryopreservation / methods; Egg Shell; Eggs / standards; Food Preservation / methods; Nitrogen; Quality Control; Time Factors; Vitelline Membrane / physiology
TL;DR:
Investigation of the effects of cryogenic cooling on shell egg quality found use of the technology could allow for egg quality to be maintained for a longer time, which could increase international markets and potentially lead to extended shelf lives.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2002 journal article
Microbial contamination in inoculated shell eggs: I. Effects of layer strain and hen age
POULTRY SCIENCE, 81(5), 715–720.
author keywords: egg; Salmonella enteritidis; Pseudomonas fluorescens; pathogen; spoilage
MeSH headings : Age Factors; Animals; Chickens / genetics; Chickens / physiology; Colony Count, Microbial / veterinary; Egg Shell / microbiology; Eggs / microbiology; Female; Food Microbiology; Kinetics; Pseudomonas fluorescens / growth & development; Pseudomonas fluorescens / physiology; Salmonella enteritidis / growth & development; Salmonella enteritidis / physiology
TL;DR:
The overall results of this study suggest that genetic selection has altered the ability of eggs to resist microbial contamination and that screening for microbial integrity should be considered in the selection process among the laying egg breeders.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
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