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Biological effects of polychlorinated dibenzo‐p‐dioxins, dibenzofurans, and biphenyls in bald eagle (Haliaeetus leucocephalus) chicks
During the1992 breeding season, eggs of bald eagles (Haliaeetus leucocephalus) were collected within a gradient of exposure to chlorinated hydrocarbon pollutants, particularly from pulp mill point… Expand
Production performance and egg quality of four strains of laying hens kept in conventional cages and floor pens.
Production performance and egg quality were compared between 4 strains of beak-trimmed layers: 3 commercial strains-Lohmann White (LW), H&N White (HN), Lohmann Brown (LB)-and a noncommercial cross… Expand
Animal model analysis of genetic (co)variances for growth traits in Japanese quail.
Records of 1,530 Japanese quail were used to estimate heritabilities and genetic correlations based on a derivative-free restricted maximum likelihood (REML) method with an animal model and ANOVA.… Expand
Forced Copulation in Captive Mallards III. Sperm Competition
Brodifacoum Poisoning of Avian Scavengers During Rat Control on a Seabird Colony
Langara Island, at the north-western tip of British Columbia's Queen Charlotte archipelago, was once nesting grounds for an estimated 500,000 seabirds. However, infestations of Norway rats (Rattus… Expand
Influences of demographic characteristics, attitudes, and preferences of consumers on table egg consumption in British Columbia, Canada.
In addition to regular (white and brown) eggs, alternative types of table eggs (e.g., free-run, free-range, organic) are available in the Canadian market, and their market growth rate has been high… Expand
Comparison of the antioxidant properties of emu oil with other avian oils
The antioxidant properties of emu oil were compared with oils derived from the fat of other avian species. We first examined their free radical scavenging activity against the 2,2-diphenyl-1-picryl… Expand
Assessment of biological effects of chlorinated hydrocarbons in osprey chicks.
- J. Elliott, L. Wilson, +4 authors K. Cheng
- Biology, Medicine
- Environmental toxicology and chemistry
- 1 April 2001
Osprey (Pandion haliaetus) eggs were collected during 1995 and 1996 at seven sites along the Fraser and Columbia River systems of British Columbia, Canada, and Washington and Oregon, USA. Fifty-four… Expand
Comparison of bones of 4 strains of laying hens kept in conventional cages and floor pens.
The maintenance of bone strength has been an important issue in the debate over cage use for laying hens. Bone strength depends on adequate mechanical load and cages restrict movement. Four laying… Expand
Elevated retinal zeaxanthin and prevention of light-induced photoreceptor cell death in quail.
- L. R. Thomson, Y. Toyoda, +6 authors C. K. Dorey
- Biology, Medicine
- Investigative ophthalmology & visual science
- 1 November 2002
PURPOSE Inferential evidence indicates that macular pigments (lutein and zeaxanthin) protect photoreceptors and/or retard age-related macular degeneration. These experiments tested the hypothesis… Expand