© Effect of strain and sex on haematological and serum biochemical indices of tropical indigenous chickens

Abstract

A thirteen-week experiment was conducted to determine the effect of sex and strain on the haematological and serum biochemical indices of two indigenous chicken strains (FUNAAB Alpha and Yoruba ecotype) in the African subtropics. One hundred and twenty chickens comprising thirty (30) each of FUNAAB Alpha males, FUNAAB Alpha females, Yoruba ecotype males and Yoruba ecotype females were assigned to four treatments consisting of three replicates of ten (10) chickens each, in a 2 x 2 factorial arrangement of a completely randomized design. Data collected were analyzed for simple descriptive and inferential statistics using SAS. Significantly (p<0.05) higher white blood count (13.55 g/100ml) was observed with the FUNAAB Alpha compared with 10.10 g/100ml of the Yoruba ecotype chicken strain. Both the mean corpuscular volume and corpuscular haemoglobin were higher (p<0.05) in the Yoruba ecotype than FUNAAB Alpha. Similarly, glucose and phosphorus values were significantly (p<0.05) higher in FUNAAB Alpha than the Yoruba ecotype. Aspartate amino transferase (AST), Alanine amino transferase (ALT) and calcium concentrations were significantly higher (p<0.05) in the Yoruba ecotype than FUNAAB Alpha. The males of Yoruba ecotype recorded higher volume of white blood count while FUNAAB Alpha females recorded higher concentration of Heterophil than their male counterparts. The values of glucose, total protein, globulin and uric acid were observed higher in female than male chickens. The study showed that strain and sex had significant effects on both haematological and serum biochemical indices of tropical indigenous chickens. Une expérience de treize semaines a été menée pour déterminer l'effet du sexe et de la tension sur les indices biochimiques hématologiques et sériques de deux souches indigènes de poulet (FUNAAB Alpha et Yoruba ecotype) dans les sous-tropiques africains. Cent vingt poulets comprenant trente (30) mâles FUNAAB Alpha, des femelles FUNAAB Alpha, des mâles ecotypes Yoruba et des femelles ecotypes Yoruba ont été affectés à quatre traitements composés de trois répliques de dix (10) poulets chacun, dans un arrangement factorial de 2 x 2 d'une conception complètement randomisée. Les données recueillies ont été analysées à l'aide de statistiques descriptives et inférentielles simples à l'aide du SAS. Significativement (p<0.05) le compte plus élevé de sang blanc (13.55 g/100ml) a été observé avec le FUNAAB Alpha comparé à 10.10 g/100ml de la souche de poulet d'ecotype de Yoruba. Le volume corpusculaire moyen et l'hémoglobine corpusculaire étaient plus élevés (p<0.05) dans l'ecotype de Yoruba que FUNAAB Alpha. De même, les valeurs de glucose et de phosphore étaient significativement (p<0.05) plus élevées dans FUNAAB Alpha que l'écotype de Yoruba. L'aspartate aminotransferase (AST), l'Alanine aminotransferase (le 'ALT') et les concentrations de calcium étaient significativement plus élevées (p<0.05) dans l'ecotype de Yoruba que FUNAAB Alpha. Les mâles de l'ecotype de Yoruba ont enregistré un volume plus élevé de sang blanc, tandis que les femelles FUNAAB Alpha ont enregistré une concentration plus élevée d'hétérophiles que leurs homologues masculins. Les valeurs du glucose, de la protéine totale, de la globuline et de l'acide urique ont été observées plus élevées chez les poulets femelles que chez les poulets mâles. L'étude a montré que la tension et le sexe avaient des effets significatifs sur les indices biochimiques hématologiques et sériques des poulets indigènes tropicaux.

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