Nitrogen pollution of air and ground water from grazing cattle is of increasing concern.
Although several studies have investigated mitigation strategies for nitrogen output from …

Beef cattle production is valuable to food security, contributing meat of high nutritional value.
However, beef cattle are rather inefficient in utilising dietary nitrogen (N), thus excreting …

Nitrogen (N) excretion from livestock production systems is of significant environmental
concern; however, few studies have investigated the effect of dietary CP concentration on N …

Ruminant production is a vital part of food industry but it raises environmental concerns,
partly due to the associated methane outputs. Efficient methane mitigation and estimation of …

Metabolizable energy (ME) is the most limiting nutrient for milk production in pastoral
systems. In Chile, using four wethers and grass cut on six measurement dates, Garrido and …

Dry rangelands provide resources for half of the world's livestock, but degradation due to
overgrazing is a major threat to system sustainability. Existing carrying capacity …

The intensification of agricultural production systems to produce food for the growing world
population is envisaged to result in the increase in nitrous oxide emissions (N 2 O). The goal …

Accurately predicting nitrogen (N) outputs in manure, urine and faeces from beef cattle is
crucial for the realistic assessment of the environmental footprint of beef production and the …

根据食物当量的概念和模型, 通过引入牧草消化率后饲草食物当量计算的能量和蛋白质系数,
对原始模型进行了修正. 以1 kg 苜蓿(标准食部100%, 含水量10%, 总能14.267 MJ· kg-1 …

This study was conducted to assess the nutritive value of the sorghum Stover when mixed
with a less fibrous Chloris gayana, which is also highly abundant in the Uganda. Dairy …