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Lead in laying hens
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Feather pecking (FP) is damaging behavior in laying hens leading to global economic losses in the layer industry and massive impairments of animal welfare. The objective of the study was to discover genetic variants and affected genes that lead to FP behavior.
14p
vihagrid
30-01-2023
10
3
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Host genotype plays a crucial role in microbial composition of laying hens, which may lead to dissimilar odor gas production. The objective of this study was to investigate the relationship among layer breed, microbial structure and odor production.
13p
visilicon2711
20-08-2021
9
1
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Lower eggshell quality in the late laying period leads to economic loss. It is a major threat to the quality and safety of egg products. Age-related variations in ultrastructure were thought to induce this deterioration.
15p
vijeeni2711
30-06-2021
12
1
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Analysis of the brain transcriptome in lines of laying hens divergently selected for feather pecking
Feather pecking (FP) in laying hens reduces animal welfare and leads to economic losses for the layer industry. FP is considered a heritable condition that is influenced by dysregulation of neurotransmitter homeostasis, the gut microbiome, and the immune system.
14p
vijeeni2711
30-06-2021
6
1
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There have been experiments with laying hens divided into 4 groups which receive rations with different amounts of lead and cadmium. The amount and distribution of the two toxic elements in the egg components have been studied and the environmental risk for human food use has been assessed. Two new criteria defining the chemical heterogeneity of the biosphere at sub-organismal level have been devised: Clark of distribution and Clark of safety. These criteria are proposed to increase the effectiveness of management.
12p
nguaconbaynhay5
16-05-2020
9
1
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Trials are made with laying hens divided into 4 groups, which are being given rations containing lead and cadmium corresponding to those existing in regions with high technogenic Clark. Two new criteria are proposed for improvement of the efficiency of anthrozoocenosis management, which define the chemical heterogeneity of the biosphere at organism and sub-organism level: distribution Clark and safety Clark.
13p
chauchaungayxua5
08-05-2020
8
0
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Hen eggs contaminated with lead can be harmful to the health of children and adults. The objective of this pilot study was to investigate if sub-chronic treatment with ascorbic acid can reduce lead levels in the different parts of hen eggs after intentionally exposing the laying hens to a concentrated source of lead.
8p
vimax2711
27-03-2020
6
1
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