Haematological studies on frizzled and naked neck genotypes of Nigerian native chickens |
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| Authors: | Sunday Olusola Peters Hollinshead Holly Gunn Ikhide Godwin Imumorin Brilliant Ogagaoghene Agaviezor Christian Obiora Ndubuisi Ikeobi |
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| Institution: | (1) Department of Animal Breeding and Genetics, University of Agriculture, Abeokuta, Nigeria;(2) Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM 88003, USA;(3) Department of Animal Science, Rivers State University of Science and Technology, Port-Harcourt, Nigeria;(4) Department of Animal Science, Cornell University, Ithaca, NY 14853, USA;(5) Department of Animal Science and Fisheries, University of Port- Harcourt, Port-Harcourt, Nigeria |
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| Abstract: | Variation in haematological parameters of Nigerian native chickens was studied using 60 clinically normal frizzle-feathered,
naked-neck, and normal-feathered native chickens. These included red blood cell count, haemoglobin, packed cell volume, white
blood cell count, mean corpuscular volume, mean corpuscular haemoglobin concentration, serum glucose, urea, cholesterol, albumin,
globulin and creatinine. Normal-feathered birds had higher (p < 0.05) mean values compared to frizzled and native neck genotypes except for albumin, red blood and white blood cells, and
mean cell haemoglobin concentration. Males generally had higher mean values than their female counterparts across all genotypes.
Correlation coefficients among the parameters were significant (p < 0.001) with r values ranging from 0.26 between red blood cell and mean corpuscular haemoglobin to 0.92 between red blood cell and cholesterol.
Sufficient genetic variation therefore exists for haematological parameters among Nigerian native chickens that may represent
indicator traits for further study. However, the application of molecular tools will provide better understanding and application
of these differences. |
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