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Comparative Study of Sun Compass Orientation in Migrating Anadromous versus Resident Freshwater Threespine Sticklebacks (<i>Gasterosteus aculeatus</i>). [PDF]

open access: yesIntegr Org Biol
Spiecker L   +8 more
europepmc   +1 more source
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Low dietary phosphorus impairs keel bone health and quality in laying hens

British Poultry Science, 2021
1. Phosphorus (P) is a necessary nutrient for egg production and bone quality in poultry diets. To investigate the effects of low dietary available P (avP) on keel bone, 180 laying hens were fed either a control (C, 0.3% avP) or low phosphorus (LP, 0.15%
Haidong Wei   +6 more
semanticscholar   +1 more source

Keel-bone fractures are associated with bone quality differences in laying hens

Animal Welfare, 2021
This study aimed to investigate the relationship between bone quality in terms of metabolism, homeostasis of elements, bone mineral density (BMD), and microstructure and keel-bone fractures in laying hens (Gallusgallusdomesticus).
H. Wei   +9 more
semanticscholar   +1 more source

Effects of housing systems on keel bone damage and egg quality of laying ‎hens

Veterinary Research Forum, 2020
The aim of this study was to investigate whether keel bone damage is prevalent in laying hens in Greece. The study was conducted in three industrial farms using different housing systems: (a) enriched cages, (b) floor system, and (c) free-range system ...
A. Dedousi   +2 more
semanticscholar   +1 more source

Physics at Keele

Physics Education, 1966
The purpose of this article is to describe the background philosophy, as well as the actual practical means employed, in the teaching of physics in the University of Keele. Keele is unique among British universities in having a four-year course for all its undergraduates, and in the first of these years they all take a general course of studies in ...
openaire   +2 more sources

Keel bone injury in laying hens: the prevalence of injuries in relation to different housing systems, implications, and potential solutions

Worlds Poultry Science Journal, 2019
Increased pressure on the poultry industry by animal-rights organisations and environmentally-conscious consumers has led to the rising popularity of cage-free housing system for hens.
E. Hardin, F. Castro, W.K. Kim
semanticscholar   +1 more source

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