The effect of concentrate feeding on calcium metabolism and plasma gastrin concentration in parturient cows [parturient paresis]
1979
Luthman, J. (Sveriges Lantbruksuniversitet, Uppsala. Dept. of Medicine, 2) | Jacobsson, S.-O. | Nilsson, G.
The effect of concentrate feeding on calcium metabolism and plasma gastrin concentration in parturient cows. Acta vet. scand. 1979, 20, 546-554. The effect of concentrate feeding on calcium metabolism was studied in pregnant cows. The concentrate (5 kg/day) was added to the diet about three weeks before expected calving. A control group was fed only hay during the whole dry period. It was earlier observed in sheep that concentrate feeding was followed by a disturbance in calcium homeostasis, but no such disturbances were observed in the cows. The concentrate fed cows consumed 50 per cent more calcium than the controls and were found to mobilize less calcium from the skeleton immediately after calving. There was no evidence for the theory that the gastro-intestinal hormone gastrin is involved in calcium homeostasis in the parturient cow.
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