Effect of offering rumen-protected fat supplements on fertility and performance in spring-calving Holstein-Friesian cows

Author： McNamara S. Butler T. Ryan D.P. Mee J.F. Dillon P. O'Mara F.P. Butler S.T. Anglesey D. Rath M. Murphy J.J.

Publisher： Elsevier

ISSN： 0378-4320

Source： Animal Reproduction Science, Vol.79, Iss.1, 2003-11, pp. : 45-56

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