Effects of maternal care and selection for low mortality on tyrosine hydroxylase concentrations and cell soma size in hippocampus and nidopallium caudolaterale in adult laying hen

R.E. Nordquist, E.C. Zeinstra, T.B. Rodenburg, F.J. van der Staay

Research output: Contribution to journalArticleAcademicpeer-review

13 Citations (Scopus)

Abstract

Feather pecking and cannibalism in farm-kept laying hens are damaging behaviors both in terms of animal welfare and economic loss, and a major challenge in modern poultry farming. Both rearing with a foster hen and genetic selection have been demonstrated to reduce feather pecking in laying hens. We examined the effects of rearing with a foster hen, genetic selection for low mortality from cannibalism, and interactions between both, using cellular morphology and levels of the rate-limiting enzyme in dopamine production, tyrosine hydroxylase, in the hippocampus and nidopallium caudolaterale (NCL) as a potential measure for laying hen welfare. Hens from the second generation of a sib-selection scheme line derived from a pure-bred White Leghorn line, selected for low mortality and for production characteristics, or their control line (CL) selected only for production characteristics, were housed with or without a foster Silky hen for the first 7 wk of life. Aside from the presence or absence of a foster Silky hen during the first 7 wk of life, housing conditions were identical for all hens. The hens were then sacrificed and brains were removed at 52 wk of age. Brains were sectioned and stained using a Nissl staining to reveal cell soma morphology, or using immunocytochemistry for tyrosine hydroxlase. A greater degree of lateralization in the hippocampus was observed in hens reared without a foster hen, as measured by absolute difference in cell soma size between hemispheres (P
Original languageEnglish
Pages (from-to)137-146
JournalJournal of Animal Science
Volume91
Issue number1
DOIs
Publication statusPublished - 2013

Fingerprint

tyrosine 3-monooxygenase
Cannibalism
Feathers
Genetic Selection
Tyrosine 3-Monooxygenase
Carisoprodol
hippocampus
maternal effect
Cell Size
laying hens
hens
Hippocampus
Mothers
Animal Welfare
Mortality
Brain
Poultry
Agriculture
Tyrosine
Dopamine

Keywords

  • feather-pecking behavior
  • receptor antagonist
  • passive-avoidance
  • prefrontal cortex
  • spatial memory
  • animal-welfare
  • dopamine
  • chick
  • cannibalism
  • d1

Cite this

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abstract = "Feather pecking and cannibalism in farm-kept laying hens are damaging behaviors both in terms of animal welfare and economic loss, and a major challenge in modern poultry farming. Both rearing with a foster hen and genetic selection have been demonstrated to reduce feather pecking in laying hens. We examined the effects of rearing with a foster hen, genetic selection for low mortality from cannibalism, and interactions between both, using cellular morphology and levels of the rate-limiting enzyme in dopamine production, tyrosine hydroxylase, in the hippocampus and nidopallium caudolaterale (NCL) as a potential measure for laying hen welfare. Hens from the second generation of a sib-selection scheme line derived from a pure-bred White Leghorn line, selected for low mortality and for production characteristics, or their control line (CL) selected only for production characteristics, were housed with or without a foster Silky hen for the first 7 wk of life. Aside from the presence or absence of a foster Silky hen during the first 7 wk of life, housing conditions were identical for all hens. The hens were then sacrificed and brains were removed at 52 wk of age. Brains were sectioned and stained using a Nissl staining to reveal cell soma morphology, or using immunocytochemistry for tyrosine hydroxlase. A greater degree of lateralization in the hippocampus was observed in hens reared without a foster hen, as measured by absolute difference in cell soma size between hemispheres (P",
keywords = "feather-pecking behavior, receptor antagonist, passive-avoidance, prefrontal cortex, spatial memory, animal-welfare, dopamine, chick, cannibalism, d1",
author = "R.E. Nordquist and E.C. Zeinstra and T.B. Rodenburg and {van der Staay}, F.J.",
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Effects of maternal care and selection for low mortality on tyrosine hydroxylase concentrations and cell soma size in hippocampus and nidopallium caudolaterale in adult laying hen. / Nordquist, R.E.; Zeinstra, E.C.; Rodenburg, T.B.; van der Staay, F.J.

In: Journal of Animal Science, Vol. 91, No. 1, 2013, p. 137-146.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - van der Staay, F.J.

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