3Kononoff P J,Ivan S K,Matzke W,et al.Milk production ofdairy cows fed wet com gluten feed during the dry period andlactation[J].Dairy Sci,2006,89(7):2608-2617.
4Erwin E S,Marcog J,Emery E M.Volatile fatty acid analyses ofblood and rumen fluid by gas chromatog raphy[J].Dairy Sci,1961,44(9):1768-1771.
5Mullins C R,grigsby K N,Anderson D E,et al.Effects offeeding increased amounts of wet com gluten feed on dairy cowmetabolism and milk production[J].Nutr Feed,2009:34-40.
6Grant R J,Colenbrander V F.Milk fat depression in dairy cows:Role of silage particle size[J].Dairy Sci,1990,73(7):1834-.
7Lammers B P,Buckmasier D R,Heinrichs A J.A simple methodfor the analysis of particle sizes of forage and total mixed rations[J].Dairy Sci,1996,79(5):922-928.
8Sullivan M L,Bradford B J.Effects of wet com gluten feed anddietary particle size on ruminal fermentation and milk production[J].Nutr Feed,2010,1-4.
9Devant M,Ferret A,gasa J,et al.Effects of proteinconcentration and degradability on performance,ruminalfermentation,and nitrogen metabolism in rapidly growing heifersfed high-concentrate diets from 100 to 230 kg body weight(J].Anim Sci,2000,78:1667-1676.
10Allen D M,grant R J.Interactions between forage and wet comgluten feed as sources of fiber in diets for lactating dairy cows[J].Dairy Sci,2000,83:322-331.