搜索结果: 1-2 共查到“畜牧学 Elephant”相关记录2条 . 查询时间(0.095 秒)
Modelling nitrogen excretion, elephant grass growth and animal production in a stall-feeding dairy system
Dairy heifers digestibility nitrogen excretion elephant grass
2011/1/12
This study reports on a simulation model of livestock-forage with excreted nitrogen (N) as a source of N for elephant grass (Pennisetum purpureum) growth. It is shown that nitrogen partitioning betwee...
Modeling growth of dairy cattle heifers fed elephant grass under stall-feeding system in Uganda
Models weight gain heifers elephant grass simulation
2011/1/11
A simulation model was developed to predict growth rate and days required to reach target mating weight of dairy cattle heifers in a stall-feeding system. Input parameters for the model are gross ener...