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  • Title: [The dynamics of the content of ammonia and volatile fatty acids in the rumen fluid during the use of dry feed rations in the cow].
    Author: Schüler D, Hartung H, Müller S.
    Journal: Arch Tierernahr; 1989; 39(1-2):151-6. PubMed ID: 2544156.
    Abstract:
    The development of the pH-value, the molar quota of volatile fatty acids and of the NH3 content in the change from silage rations to dried rations on the basis of pelleted feed and in dependence on the time after the beginning of feeding was tested in studies of the rumen fluid of four cows in order to explain the causes of the very low NH3 content of the rumen fluid in feeding experiments with rations based on pelleted straw-concentrate mixtures. An influence of the ration type and the time after the beginning of feeding on the molar quota of the individual volatile fatty acids and the NH3 content was ascertained. The ration type tested can cause an NH3 content in the rumen fluid below 1 mmol/l.
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