Randomized controlled trial of reinsemination strategies in dairy cows diagnosed nonpregnant using color flow Doppler ultrasonography on d 21 after insemination [0.03%]
使用彩色多普勒超声诊断 Dairy 牛在授精后21天未孕的随机对照试验中的再授精策略
J Dubuc,V Fauteux,J-P Roy et al.
J Dubuc et al.
The objective of this study was to quantify the reproductive performance of 4 reinsemination strategies in cows diagnosed nonpregnant using corpus luteum color flow Doppler ultrasonography on d 21 after last insemination. A total of 2,140 c...
Evaluation of the effects of water quality on drinking preferences of heifer calves [0.03%]
水质对母犊饮水偏好影响的评价
N D Senevirathne,J L Anderson,P S Erickson et al.
N D Senevirathne et al.
Drinking water quality requirements focus mainly on removing hazardous substances from the water supply, making it safe to drink and appropriate for livestock use. However, there is a concern that high mineral content in water may affect th...
Effect of route of administration of dinoprost tromethamine on plasma profiles of 13,14-dihydro-15-keto-prostaglandin F2α and progesterone in lactating Holstein cows [0.03%]
乳用荷斯坦奶牛体内去氧羟孕酮的不同给药途径对其血浆中13,14-二氢-15-酮-前列腺素F2α以及孕酮浓度的影响研究
M A Mezera,M R Lauber,A D Beard et al.
M A Mezera et al.
Lutalyse HighCon (dinoprost tromethamine; Zoetis) has been approved for use both intramuscularly and subcutaneously in lactating dairy cows, although the effect of route of administration on circulating 13,14-dihydro-15-keto-prostaglandin F...
The effects of feeding rations that differ in neutral detergent fiber and starch within a day on the daily pattern of key rumen microbial populations [0.03%]
每日饲喂中性洗涤纤维和淀粉不同的日粮对瘤胃关键微生物种群日变化规律的影响
I J Salfer,C E Crawford,L W Rottman et al.
I J Salfer et al.
The effect of feeding a single TMR versus multiple rations across the day that differ in concentrations of neutral detergent fiber (NDF) and starch on the daily pattern of rumen microbial populations was characterized. Diets included a cont...
Quantifying genetic differences between exported dairy bull calves and those sold for domestic beef production [0.03%]
用于出口的奶公牛与国内牛肉用公牛之间的遗传差异分析
D P Berry,S C Ring,A J Twomey
D P Berry
Selection bias is introduced when selection among individuals exists but the information used to inform that selection decision is not considered in downstream genetic evaluations. Genetic evaluations are undertaken in several countries for...
Risk factors for morbidity in 1- to 9-day-old dairy calves following caustic paste disbudding [0.03%]
使用腐蚀性膏药去角对1至9日龄奶牛犊健康的影响因素分析
Cassandra N Reedman,Todd F Duffield,Trevor J DeVries et al.
Cassandra N Reedman et al.
Calfhood morbidity is an important issue on commercial dairy operations, with substantial production and welfare impacts. The objective of this observational study was to evaluate potential risk factors for morbidity, including disbudding, ...
QTest: A new way to easily sample, store, and ship samples to perform Q fever PCR analysis on bulk tank milk [0.03%]
QTest:一种新的易于采样、存储并运输样品以对大宗牛奶进行Q热PCR分析的方法
Michael Treilles,Pierre Charollais,Raphaël Guatteo et al.
Michael Treilles et al.
Bulk tank milk (BTM) is an easy, inexpensive, and representative sample for detection of Coxiella burnetii infections (Q fever) in dairy herds using real-time PCR. Bulk tank milk PCR can be performed either for initial herd screening or for...
Jennifer M C Van Os,Geoffrey S S Nemeth,Daniel M Weary et al.
Jennifer M C Van Os et al.
Dairy cattle can experience problems adjusting to freestalls when first introduced, resulting in a marked reduction in lying time and increased abnormal behaviors such as lying in the alley or lying backward in a stall. Our objective was to...
Recovery potential of cavitation-induced injured cells of common spore-forming bacteria in skim milk exposed to ultrasonication [0.03%]
超声处理下常见产孢杆菌受损细胞在脱脂牛奶中的恢复潜力研究
T A Almalki,S Anand
T A Almalki
The presence of spore-forming microorganisms and their adhesion to contact surfaces in dairy plants is a major concern because dairy products are prone to cross-contamination. Spore formers and their spores can survive milk processing treat...
Randomized controlled trial of pegbovigrastim as an adjunct therapy for naturally occurring severe clinical mastitis cases in dairy cows [0.03%]
Pegbovigrastim作为奶牛自然发生重度临床乳腺炎辅助治疗药物的随机对照试验
J Denis-Robichaud,M Christophe,J-P Roy et al.
J Denis-Robichaud et al.
The main objective of this study was to quantify the effect of pegbovigrastim (PEG) as an adjunct therapy for naturally occurring severe mastitis cases on survival, intramammary bacteriological cure, and subsequent milk production. A double...