Bloat In cattle 44. Comparison of mixed bovine saliva collected by three different methods

Abstract
Flow rates and protein composition of mixed bovine saliva collected by the 'bit' (aspiration from the mouth) and cardial methods were compared to saliva secreted with the food bolus, using 4 cows of known bloat susceptibility. Average flow rates for saliva collected by the cardial, bolus, and 'bit' methods were 900,310, and 25 g for 10 min, respectively. Protein nitrogen concentration was significantly lower in cardial than in 'bit' saliva (PPPPPPP<0.001) between animals.

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