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Feeding Systems with Legumes to Intensify Dairy Farms - cgiar

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growing this cultivar in Costa Rica is that the grass can be first grazed 3 <strong>to</strong> 4<br />

months after sowing.<br />

Nutritive Value and Animal Production<br />

Evaluations carried out at ECAG in Atenas showed that CP contents of<br />

leaves are 13.5%, 10.1%, and 8.7% for the regrowth ages of 25, 35, and 45<br />

days, respectively. The in vitro dry matter digestibility values for the same<br />

ages were, respectively, 67.8%, 64.2%, and 60.3% . These results suggest<br />

that cultivar Toledo has similar or slightly better forage qualities than do<br />

other B. brizantha cultivars.<br />

Observations made on farms in Costa Rica and information provided<br />

by cattle producers indicate that cultivar Toledo can support a s<strong>to</strong>cking rate<br />

between 2.5 and 3.0 AU/ha during the rainy season, <strong>with</strong> a frequency of<br />

grazing every 21-30 days. One dual-purpose farm reported that daily milk<br />

production tended <strong>to</strong> be similar <strong>to</strong> that observed for pastures of other<br />

Brachiaria species in association <strong>with</strong> the forage peanut (Arachis pin<strong>to</strong>i).<br />

Initial reports from Colombia indicate that the daily milk production of a<br />

Holstein cow is significantly less on cultivar Toledo (8.0 L/cow) than on B.<br />

decumbens cv. Pas<strong>to</strong> Peludo or B. brizantha cv. Diamantes 1 (8.8 and 8.9<br />

L/cow, respectively).<br />

•<br />

Use and Management<br />

So far, cultivar Toledo has been used only for grazing cattle, although<br />

horses have been seen <strong>to</strong> consume tender leaves. Although little is known<br />

about the most adequate occupation and rest periods, considering its rapid<br />

recovery, an adequate rest period could be between 21 and 28 days. In<br />

addition, this cultivar’s high forage production allows s<strong>to</strong>cking rates higher<br />

than 2.5 AU/ha, at least during the rainy season.<br />

Because of its growth habit in form of tillers, this cultivar associates<br />

well <strong>with</strong> s<strong>to</strong>loniferous legumes such as Arachis pin<strong>to</strong>i, resulting in better<br />

soil cover and improved forage quality. These observations are still being<br />

evaluated in Costa Rica. Although cv. Toledo is adequate for grazing,<br />

because of its size and vigorous growth, it could be successfully used in<br />

“cut-and-carry” forage systems.<br />

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