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Different breeds, different blood: Cytometric analysis of whole blood cellular composition in chicken breeds
B. Bílková, Z. Bainová, J. Janda, L. Zita, M. Vinkler,
Language English Country Netherlands
Document type Journal Article
- MeSH
- CD4-Positive T-Lymphocytes MeSH
- Species Specificity MeSH
- Chickens blood immunology MeSH
- Leukocyte Count veterinary MeSH
- Lymphocyte Count veterinary MeSH
- Antibodies immunology MeSH
- Flow Cytometry veterinary MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
While haematological variation is well known in birds, variation in avian breeds (distinct morphotypes of the same species) remains unexplored. Poultry breeds, in particular, may show interesting evolutionary patterns and economically-relevant physiological differences. We performed a comparative examination of blood cellular composition in five chicken (Gallus gallus domesticus) breeds: Araucana, Booted bantam, Czech, Minorca and Rosecomb bantam. In standard-environment-reared hens whole-blood flow cytometry revealed remarkable differences in most erythrocyte- and leukocyte-related parameters. We identified two extremes: Czech, a European breed, with a low heterophil/lymphocyte (H/L) ratio and high CD4+ levels, and Araucana, a South-American breed, with a high H/L ratio and high relative monocyte count. Such variation may reflect a combination of artificial and natural selection acting on health- and stress-related traits in domestic populations. Different breeds have evolved different immunological adaptations reflecting their original need to fight pathogens and physiological constraint resulting from dissimilar physiological trade-offs.
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- $a While haematological variation is well known in birds, variation in avian breeds (distinct morphotypes of the same species) remains unexplored. Poultry breeds, in particular, may show interesting evolutionary patterns and economically-relevant physiological differences. We performed a comparative examination of blood cellular composition in five chicken (Gallus gallus domesticus) breeds: Araucana, Booted bantam, Czech, Minorca and Rosecomb bantam. In standard-environment-reared hens whole-blood flow cytometry revealed remarkable differences in most erythrocyte- and leukocyte-related parameters. We identified two extremes: Czech, a European breed, with a low heterophil/lymphocyte (H/L) ratio and high CD4+ levels, and Araucana, a South-American breed, with a high H/L ratio and high relative monocyte count. Such variation may reflect a combination of artificial and natural selection acting on health- and stress-related traits in domestic populations. Different breeds have evolved different immunological adaptations reflecting their original need to fight pathogens and physiological constraint resulting from dissimilar physiological trade-offs.
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- $a Janda, Jozef $u Charles University, Faculty of Science, Department of Cell Biology, Viničná 7, 128 44 Prague, EU, Czech Republic, EU.
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- $a Zita, Lukáš $u Czech University of Life Sciences Prague, Faculty of Agrobiology, Food and Natural Resources, Department of Animal Husbandry, Kamýcká 129, 165 00 Prague, EU, Czech Republic, EU.
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- $a Vinkler, Michal $u Charles University, Faculty of Science, Department of Zoology, Viničná 7, 128 44 Prague, Czech Republic, EU. Electronic address: michal.vinkler@natur.cuni.cz.
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