A study was conducted to predict the rumen microbial protein production based on urinary
excretion of purine derivatives in buffaloes fed a diet of wheat straw and concentrate (40: 60) …

A study was carried out to study the response of total purine derivatives (PD) excretion in
urine to determine microbial N (MN) supply at four fixed levels of feed intake (namely 95, 80 …

Two experiments were conducted to determine the urinary purine derivative (PD) excretion
rates and to analyze potential variations in PD excretions between yak, Tibetan indigenous …

Aim of this paper was to compare urinary purine derivatives (PD) excretion in Italian
Mediterranean dairy buffaloes and Fresian dairy cows during dry period. Six buffalo and six …

Four experiments were performed to study the kinetics of purine metabolism and urinary
excretion in Zebu crossbred cattle. Fasting excretion was established in Expt 1, using …

摘要通过研究燕麦干草不同限饲水平对藏羊尿中嘌呤衍生物(purine derivative, PD),
肌酐和马尿酸排出量的影响, 为估测藏羊瘤胃微生物蛋白产量及揭示氮代谢机制提供依据 …

Respond models based on urinary excretion of purine derivatives (PD) as an index to
predict rumen microbial protein production have been developed for European cattle and …

The study evaluated the effect of different levels of crude protein (CP) intake on urinary
excretion and plasma concentration of purine derivatives (PD) and creatinine in crossbred …

In Experiment I, 4 female swamp buffaloes and 4 local cattle fed with the diet based on
young maize and rice straw (80/20), and in experiment II, the same number and types of …

This study compared the recovery rate of intrajugular-administered allantoin in the urine and
saliva between swamp buffaloes and zebu cattle to examine whether it could explain the …