technique for the collection of urine from cows von Neitz, M.H, Hartman, C.L

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Strategie vir melkproduksie in Suid en Oos Transvaale n Noord en Oos Vrystaat von Neitz, M.H

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effects of crude protein percentage and urea in different stages of lactation on milk production in high-yielding dairy cows von Neitz, M.H, De Bruin, H.P

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The nutritive value of sorghum hay, supplemented by concentrates in different ratios, and fed to high and low producing friesland cows and first calf heifers von Van Zyl, J.R., Hartman, C.T., Neitz, M.H.

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Influence of different combinations of urea and low ruminal degradable protein sources on performance of high-producing dairy cows von Erasmus, L.J, Bruin, H.P. de, Grove, J.T, Neitz, M.H, Meissner, H.H

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effek van insluitingspeil van Eragrostis curvul-hooi en sonneblomdoppe op melkproduksie en melksamestelling by errstekalf-Frieskoeie von Ferreira, B, Bruin, H.P. de, Neitz, M.H

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