Urea, infertilitat

Article en anglès. Nitrogen ureic a la llet i infertilitat. JDSci 2000.

Melendez, A. Donovan, and J. Hernandez. 2000. Milk urea nitrogen and infertility in Florida holstein cows. P.  J Dairy Sci 83:459–463.

Urea 03 Urea 03 [122 Kb]
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