Schüler D, Hartung H, Müller S
Forschungszentrum für Tierproduktion Dummerstorf-Rostock, Akademie der Landwirtschaftswissenschaften der DDR.
Arch Tierernahr. 1989 Jan-Feb;39(1-2):151-6. doi: 10.1080/17450398909432958.
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.
为了解释在以颗粒状秸秆 - 浓缩料混合物为基础的日粮饲喂实验中瘤胃液氨含量极低的原因，对四头奶牛瘤胃液进行了研究，测试了从青贮日粮转变为基于颗粒饲料的干日粮过程中，pH值、挥发性脂肪酸摩尔比例以及氨含量随采食开始后的时间变化情况。确定了日粮类型和采食开始后的时间对各挥发性脂肪酸摩尔比例及氨含量的影响。所测试的日粮类型可导致瘤胃液中氨含量低于1 mmol/L。
