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Haematological parameters in brown swiss and holstein cattle at high altitude

Parametres Hematologiques Chez Les Bovins Brown Suisse Et Holstein En Altitude Elevee

Parametros Hematologicos En Vacas Pardo Suizas Y Holstein Mantenidas A Gran Altitud

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Summary

Standard haematological values have been calculated for female Holstein and Brown Swiss cattle kept at high altitudes in the Andean Sierra. Overall mean values were 5·9 × 1012 l−1 for the red cell count, 0·321l−1 for the packed cell volume, 9·6 gdl−1 for the haemoglobin concentration, 55·0 femtolitres for the mean corpuscular volume, 30·5 gdl−1 for the mean corpuscular haemoglobin concentration and 16·7 pg for mean corpuscular haemoglobin. Red cell indices tended to be higher in Holstein cattle than in Brown Swiss kept at the same altitude and were higher in cattle kept at higher altitudes. Mean white cell parameters were 9·7 × 109 l−1 for total white cells, 2·6 × 109 l−1 for neutrophils, 0·086 × 109 l−1 for bands, 6·3 × 109 l−1 for lymphocytes, 0·7 × 109 l−1 for eosinophils, 0·073 × 109 l−1 for monocytes and 0·001 × 109 l−1 for basophils.

Résumé

On a calculé les valeurs hématologiques standard pour les vaches Holstein et Brown Suisse élevées dans les hautes altitudes de la sierra andine. En général, les valeurs moyennes ont été de 5,9 × 1012l−1 pour la numération des hématies, 0,321l−1 pour l'hématocrite, 9,6 gd l−1 pour la concentration en hémoglobine, 55,0 femtolitres pour le volume globulaire moyen, 30,5 gdl−1 pour la concentration corpusculaire moyenne en hémoglobine et 16,7 pg pour l'hémoglobine globulaire moyenne. Les indices globulaires ont tendance a être plus élevés chez les Holsteins que chez les Brown Suisses élevées à la même altitude et a être plus élevées pour les bovins élevés à des altitudes plus hautes. Les paramètres moyens pour les leucocytes ont été 9,7 × 109l−1 pour la numération leucoytaire totale, de 2,6 × 109l−1 pour les neutrophiles, de 0,086 × 109l−1 pour les bandes, de 6,3 × 109l−1 pour les lymphocytes, de 0,7 × 109l−1 pour les éosinophiles, de 0,073 × 109l−1 pour les monocytes et de 0,001 × 109l−1 pour les basophiles.

Resumen

Se calcularon los valores hematológicos estandar de vacas de raza Holstein y Pardo Suiza mantenidas a altitudes elevadas en los Andes. Los valores medios fueron 5·9 × 1012l−1 para la concentración de eritrocitos, 0·321l−1 para el valor hematocrito, 9·6 gdl−1 para la concentración de hemoglobina, 55·0 femtolitros para el volumen corpuscular medio, 30·5 gdl−1 para la concentración corpuscular media de hemoglobina y 16·7 pg para la hemoglobina corpuscular media. La concentración de eritrocitos tendió a ser superior en vacas Holstein que en vacas Pardo Suizas mantenidas a la misma altitud y fue mayor en animales mantenidos a altitudes superiores. Los parámetros leucocitarios medios fueron 9·7 × 109l−1 para la concentración de leucocitos totales, 2·6 × 109l−1 para la de neutrófilos, 0·086 × 109l−1 para la de neutrófilos en banda, 6·3 × 109l−1 para la de linfocitos, 0·7 × 109l−1 para la de eosinófilos, 0·073 × 109l−1 para la de monocitos y 0·001 × 109l−1 para la de basófilos.

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Claxton, J.R., Ortiz, P. Haematological parameters in brown swiss and holstein cattle at high altitude. Trop Anim Health Prod 28, 112–116 (1996). https://doi.org/10.1007/BF02250734

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  • DOI: https://doi.org/10.1007/BF02250734

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