1Alrawashdeh O F.Prevalence of ketonemia and associations with herd size、lactation stage、parity and postparturient diseases in Jordanian dairy cattle[J].Prey Vet Med,1999,40(2):117-125.
2Duffield T.Subclinical ketosis in lactating dairy cattle[J].Metabolic Disorders of Ruminants,2000,16(2):231-253.
3Miettinen P V.Relationship between milk acetone and milk yield in individual cows[J].Zentralbl Vet Med,1994,41 (2):102-109.
4Geishauser T,Leslie K,Kelton D,et al.Evaluation of five cowside tests for use with milk to detect subclinical ketosis in dairy cows[J].J Dairy Sci,1998,81(2):438-443.
5Gutzwiller A.Determination of beta-hydroxybutyrate in milk using test strips:a new aid for the diagnosis of subclinical and clinical ketosis in the cow[J].Sch Arch Tierhei,1998,140(3):120-124.
6Dobbelaar P,Mottram T T,Nyabadza C,et al.Detection of ketosis in dairy cows by analysis of exhaled breath[J].Vet Quart,1996,18:151-152.
7Elliott-Martin R J,Mottram T T,Gardner J W,et al.Preliminary investigation of breath sampling as a monitor of health in dairy cattle[J].Engng Res,1997,(67):267-275.
8Oetzel G R.Monitoring and testing dairy herds for metabolic disease[J].The Vet cli of Nor Ame,2004,20(3):651-674.
9John B,Rose K,Miller A,et al.The association of serum nonesterified fatty acids and cholesterol、management and feeding practices with peripartum disease in dairy cows[J].Prey Vet Med,1997,31:59-72.
10Reist M,Erdin D K,Von E D,et al.Use of threshold serum and milk ketone concentrations to identify risk for ketosis and endometritis in high-yielding dairy cows[J].Ame J Vet Res,2003,64(2):188-194.
