The content of calcium, phosphorus and magnesium in the blood serum of sheep depending on the season and physiological state
2014
Stojković, J. (Faculty of Agronomy, Priština-Lešak (Serbia)) | Ilić, Z. (Faculty of Agronomy, Priština-Lešak (Serbia)) | Petrović, M. P. (Institute for Animal Husbandry, Belgrade-Zemun (Serbia)) | Caro-Petrović, V. (Institute for Animal Husbandry, Belgrade-Zemun (Serbia)) | Ružić-Muslić, D. (Institute for Animal Husbandry, Belgrade-Zemun (Serbia)) | Kurčubić, V. (Faculty of Agronomy, Čačak (Serbia)) | Đoković, R. (Faculty of Agronomy, Čačak (Serbia))
The large number of sheep, especially the ones that spend the majority of time on pastures, is been fed with the meals, which do not contain all the necessary mineral substances. The level of calcium, phosphorus and magnesium on natural pastures is too low in relation to the needs of sheep. Therefore, the irregularity in the feeding of sheep occurs because of the absence of the other food sources. These irregularities are in the range from the acute mineral deficit or illness to the mild temporary forms, which could hardly diagnose, but they affect the level of production. The content of calcium, phosphorus and magnesium in the blood serum of sheep, as one of the indicators of the supplementation of sheep with these substances, has given in this paper. The average level of calcium in the blood serum of the control group of sheep was 2.61 mmol/l, phosphorus 1.04mmol/l and magnesium 1.31 mmol/l of serum. In the blood serum of the tested group, the average contents of calcium was 2.33 mmol/l, phosphorus 0.92 mmol/l and magnesium 1.37 mmol/l.
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