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Phosphorus feeding levels and critical control points on dairy farms.
Dou Z, Ferguson JD, Fiorini J, Toth JD, Alexander SM, Chase LE, Ryan CM, Knowlton KF, Kohn RA, Peterson AB, Sims JT, Wu Z. Dou Z, et al. Among authors: kohn ra. J Dairy Sci. 2003 Nov;86(11):3787-95. doi: 10.3168/jds.S0022-0302(03)73986-1. J Dairy Sci. 2003. PMID: 14672211 Free article.
Phosphorus characteristics of dairy feces affected by diets.
Dou Z, Knowlton KF, Kohn RA, Wu Z, Satter LD, Zhang G, Toth JD, Ferguson JD. Dou Z, et al. Among authors: kohn ra. J Environ Qual. 2002 Nov-Dec;31(6):2058-65. doi: 10.2134/jeq2002.2058. J Environ Qual. 2002. PMID: 12469857
Whole-farm phosphorus balance on western dairy farms.
Spears RA, Young AJ, Kohn RA. Spears RA, et al. Among authors: kohn ra. J Dairy Sci. 2003 Feb;86(2):688-95. doi: 10.3168/jds.S0022-0302(03)73648-0. J Dairy Sci. 2003. PMID: 12647976 Free article.
Whole-farm nitrogen balance on western dairy farms.
Spears RA, Kohn RA, Young AJ. Spears RA, et al. Among authors: kohn ra. J Dairy Sci. 2003 Dec;86(12):4178-86. doi: 10.3168/jds.S0022-0302(03)74033-8. J Dairy Sci. 2003. PMID: 14740860 Free article.
Use of milk urea nitrogen to improve dairy cow diets.
Jonker JS, Kohn RA, High J. Jonker JS, et al. Among authors: kohn ra. J Dairy Sci. 2002 Apr;85(4):939-46. doi: 10.3168/jds.S0022-0302(02)74152-0. J Dairy Sci. 2002. PMID: 12018439 Free article.
47 results