R. Bras. Zootec.01/Dec/2001;30(6):1919-24.

Estimation of Voluntary Intake of Tanzania Grass (Panicum maximum, Jacq. cv. Tanzânia) Rotationally Grazed by Lactating Cows

Maria Lúcia Pereira Lima, Telma Teresinha Berchielli, José Ramos Nogueira, Ana Cláudia Ruggieri, Luiz Januário Magalhães Aroeira, Ana Karina Dias Salman, João Paulo Guimarães Soares

DOI: 10.1590/S1516-35982001000700031

The trial was carried out in a Tanzania grass (Panicum maximum) pasture, rotationally grazed by lactating cows, to estimate the dry matter intake. Three treatments were tested: crossbred cows fed 3 kg per day of concentrate and crossbred and Zebu cows (Gyr) without concentrate supplementation. The forage availability was 7,340.2 kg of dry matter (DM) /ha before and 5,639.5 after the 3rd grazing day. The Tanzania grass DM intake was 8.26 ± 5.66, 11.01 ± 5.37 and 9.55 ± 2.31 kg of DM/cow/day per day or 2.15, 2.37 and 2.34% of live weight, respectively, for the supplemented crossbred cows and non supplemented crossbred and Zebu cows. The average milk production was higher for the supplemented group (11.98 kg/cow/day). The milk production observed by the non supplemented cows was similar. Milk yield of 6.53 was obtained for non supplemented crossbred cows and 5.46 kg per cow/day was performed for the Zebu cows.

Estimation of Voluntary Intake of Tanzania Grass (Panicum maximum, Jacq. cv. Tanzânia) Rotationally Grazed by Lactating Cows

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