Evaluation of Two Models to Estimate Urinary Nitrogen Excretion by Milk Urea Nitrogen(MUN) Content 乳尿素氮估测奶牛尿氮排泄量的两个模型比较研究
The Relationship between Milk Urea Nitrogen(MUN) and Parities, Days in Milk, Milk Production and Composition 牛奶尿素氮(MUN)含量与奶牛胎次、泌乳天数、产奶量和乳成分的关系
The Impact of Dietary Factors, Parity, DIM and Milk Composition on Milk Urea Nitrogen(MUN) Content of Holstein Cows 日粮因素、胎次、泌乳天数及乳成分对牛奶尿素氮(MUN)含量的影响研究
Effects of Propanediol Supplementation on Lactation Performance and Blood Metabolites in Early Lactation Holstein Dairy Cows The Relationship between Milk Urea Nitrogen(MUN) and Parities, Days in Milk, Milk Production and Composition 丙二醇对泌乳早期奶牛泌乳性能和血液代谢产物的影响牛奶尿素氮(MUN)含量与奶牛胎次、泌乳天数、产奶量和乳成分的关系