Haematological and metabolic profiles of smallholder dairy cows in relation to weather patterns in southern highlands of Tanzania

Tanzania Veterinary Journal Pub Date : 2009-02-10 DOI:10.4314/TVJ.V25I2.42034

E. Phiri, R. Chibunda, A. Pereka, E. Mtengeti, N. Urio, A. Katakweba

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引用次数: 2

Abstract

A survey was carried out on 36 lactating Bos taurus/indicus crossbred dairy cows on smallholder dairy farming in Njombe district, Tanzania to assess seasonal variations in haematological and metabolic profiles. Blood was taken at an interval of two months for one year and analysed for haemoglobin concentration (Hb), packed cell volume (PCV%), total protein (TP), glucose (Glu), calcium (Ca), inorganic phosphate (Pi) and zinc (Zn) using standard methods. Hb, PCV %, plasma TP and Glu were within normal ranges. There were no differences (p>0.05) for Hb and plasma Pi. The effect of season was apparent (p 0.05) was observed in the levels between the seasons. Plasma Zn was high but at lower side of normal ranges in the wet season and below normal in the dry season. It is concluded that there is deficiency in minerals and protein in both dry and wet season. It is important to supplement minerals and protein to the animals to improve health, reproductive performance and milk production. Keywords : TP, protein, glucose, mineral, seasonal variation, PCV% haemoglobin Tanzania Vet Journal Vol. 25 (2) 2008: pp. 111-120

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坦桑尼亚南部高地小农奶牛的血液学和代谢特征与天气模式的关系

在坦桑尼亚Njombe地区的小农奶牛场，对36头泌乳期波斯牛/indicus杂交奶牛进行了调查，以评估其血流变学和代谢特征的季节性变化。每隔两个月采血一年，用标准方法分析血红蛋白浓度(Hb)、细胞堆积体积(PCV%)、总蛋白(TP)、葡萄糖(Glu)、钙(Ca)、无机磷酸盐(Pi)和锌(Zn)。Hb、PCV %、血浆TP、Glu均在正常范围内。血红蛋白与血浆Pi无显著差异(p>0.05)。不同季节间的水平受季节影响显著(p < 0.05)。血浆锌在雨季偏高，但处于正常值的下端，在旱季低于正常值。由此可见，干湿季节均存在矿物质和蛋白质的缺乏。补充矿物质和蛋白质对改善动物健康、繁殖性能和产奶量具有重要意义。关键词:TP，蛋白质，葡萄糖，矿物质，季节变化，PCV%血红蛋白坦桑尼亚兽医杂志Vol. 25 (2) 2008: pp. 111-120

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Tanzania Veterinary Journal

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