Results 161 to 170 of about 100,197 (349)
Deposition of carotenoids in egg yolk by short-term supplement of coloured carrot (Daucus carota) varieties as forage material for egg-laying hens [PDF]
, 2010 BACKGROUND: Supplying egg-laying hens with different forage materials may influence egg production and quality. The aim of this study was to examine the short-term effects of standard feed plus 70 g day−1 per hen of three coloured carrot varieties ...
Hammershoj, Marianne +2 more
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Too Complex to Fail: The Stability of Global Environmental Governance Beyond Hegemony
Global Policy, EarlyView.ABSTRACT The recent US disengagement from global governance has revived concerns—first theorized in the 1970s and 1980s—about the vulnerability of international institutions to hegemonic decline. While these concerns appear valid in many issue areas, the global environmental regime complex presents a notable exception.
Jean‐Frédéric Morin, Rakhyun E. Kim
wiley +1 more source
The Use of Ferrous Sulfate to Inactivate Gossypol in Diets of Laying Hens
, 1953 J. L. Fletcher +4 more
openalex +1 more source
Translucent eggs of laying hens: a review
Poultry ScienceEggshell quality is a significant characteristic that influences consumer preferences. Eggshell translucency is a common defect in the appearance of eggshells, which are characterized by gray spots that are visible to the naked eye under natural light.
Lin Xuan, Jiangxia Zheng
openaire +3 more sources
Laying-hens for soil fertilization [PDF]
, 2017 The Norwegian population of laying-hens comprises about 3.5 million, out of which about 240 000 are certified organic. Breeding for high egg production and low body weight, combined with larger body weight in chicken hampering the utilization of the ...
Løes, Anne-Kristin
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Climate crisis and policy inaction in Indonesia
American Journal of Political Science, EarlyView.Abstract We surveyed voters and politicians in advance of the 2024 Indonesian election to measure preferences for environmental policy. We find that politicians underestimate voter concerns. We conducted an informational experiment with politicians to correct these misperceptions, and we document evidence of learning but no greater support for policy ...
Allan Hsiao, Nicholas Kuipers
wiley +1 more source
Poultry Science: The objective of this study is to investigate the beneficial effects and underlying mechanism of dietary β-mannanase supplementation on the productive performance of laying hens fed with metabolic energy (ME)-reduced diets.
Huawei Liu +6 more
doaj +1 more source
The effect of calcium depletion on the chemical composition of bone minerals in laying hens [PDF]
, 1956 T. G. Taylor, John H. Moore
openalex +1 more source
Organic egg production in Finland - animal health, welfare and food safety issues [PDF]
, 2005 A total of 20 out of 23 commercial organic layer farms took part in the research. Data were collected through observation and by interviewing the producer, using a semi-structured interview guide.
Holma, U. +7 more
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