Economic value of days open for Holstein cows of alternative milk yields with varying calving intervals [Feeding costs] von Holmann, Federico J, Shumway, C. Richard, Blake, Robert W, Schwart, Robert B, Sudweeks, E. Max

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Economic evaluation of fourteen methods of estrous detection von Holmann, Federico J, Blake, Robert W, Shumway, C. Richard

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Comparative profitability of United States Holstein artificial insemination sires in Mexico von Blake, R.W, Holmann, F.J, Gutierrez, J, Cevallos, G.F

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Economic Evaluation of Fourteen Methods of Estrous Detection1 von Holmann, Federico J., Blake, Robert W., Shumway, C. Richard

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Comparative Profitability of United States Holstein Artificial Insemination Sires in Mexico1 von Blake, Robert W., Holmann, Federico J., Gutiérrez, Jesús, Cevallos, Gonzalo F.

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Economic Value of Days Open for Holstein Cows of Alternative Milk Yields with Varying Calving Intervals1 von Holmann, Federico J., Shumway, C. Richard, Blake, Robert W., Schwart, Robert B., Sudweeks, E. Max

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