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Universidad de Panamá
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Submitted June 11, 2021
Published 2021-06-07

Artículos

Vol. 5 No. 1 (2021): Visión Antataura

Effect of substituting corn silage for cut grass Pennisetum purpureum CT-22, for milk production on dual-purpose farms during the dry season

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Citación:
DOI: ND

Published: 2021-06-07

How to Cite

Herrera Domínguez, D., Guerrero Rojas, B., Ramos Batista, D., & Frías, J. (2021). Effect of substituting corn silage for cut grass Pennisetum purpureum CT-22, for milk production on dual-purpose farms during the dry season. Visión Antataura, 5(1), 15–29. Retrieved from https://revistas.up.ac.pa/index.php/antataura/article/view/2184
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Abstract

A trial was carried out at El Ejido Experimental Station, Los Santos, Panama with the objective of evaluating the effect of substitution of maize silage by cut grass (Pennisetum purpureum cultivar CT-22) on milk production in dual-purpose farms during the dry season. A balanced complete block crossover design with four treatments and with different levels of corn silage and cut grass was used. There were no significant differences found in milk production and live body weight change between treatments. However, the cost of feeding decreased as the ratio level of cut grass increased. The partial budget analysis showed dominance of the treatment with a higher level of cut grass, compared to the other treatments that included corn silage, thus achieving a greater net benefit with a lower feeding cost. It is concluded that the use of cut grass as a single source of forage in the rations for milk production in dual-purpose farms, in cows with potential total milk production of up to 12 kg cow-1 day-1, generated the greatest economic benefit, compared to the rations where corn silage was included.

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