Efectos de la sustitucion del sorgo por harina de yuca en raciones para vacas en lactancia

By:

Mendoza M., G.D

Contributor(s):

Material type: Article

ArticleLanguage: Spanish Description: (64):127-131Subject(s): LOC classification:

41187

In: AgrocienciaSummary: La harina de yuca es un ingrediente cuyas caracteristicas nutricionales permiten incluirla en concentrados para ganado lechero. Se planeo este experimento cuyo objetivo fue estudiar los efectos de la sustitucion del sorgo por harina de yuca en raciones para vacas en lactancia. En este trabajo se sometieron 12 vacas a tres tratamientos en un diseno doble reversible de tres periodos de 14 dias cada uno y que fueron los siguientes: 1) 60 por ciento harina de yuca; 2) 30 por ciento harina de yuca + 30 por ciento sorgo; 3) 60 por ciento sorgo, en el concentrado y alfalfa a libre acceso (60:40, proporcion forraje concentrado). No se encontraron diferencias entre tratamientos en produccion de leche (17.22, 17.31 y 17.83 kg/d, respectivamente), grasa en leche, consumo y cambios de peso vivo. Los resultados indican que en estas condiciones se puede sustituir parcial o totalmente el sorgo (300 a 600 g/kg de harina de yuca en el concentrado) en raciones para vacas en lactancia sin afectar su produccion. (RA)Summary: Cassava meal is a feed which, due to its nutritional characteristics, can be included in concentrates for dairy cattle. Therefore, this experiment was planned to study the effects of substituting sorghum by cassava meal in lactating cow rations. In this study, 12 cows were subjected to the following three treatments in a double-reversal trial (three periods of 14 days each): (1) 60 percent cassava meal; (2) 30 percent cassava meal + 30 percent sorghum; (3) 60 percent sorghum. That was for the concentrate while alfalfa was given ad libitum mantaining a 60:40 forage concentrate ratio. No differences were found among treatments for milk yield (17.22, 17.31 and 17.83 kg/d, respectively), milk fat, feed intake and live weight changes. The results obtained under these conditions indicate that sorghum can be partially or completely replaced (300 to 600 g/kg cassava meal in the concentrate) in rations for lactating cows without affecting their performance. (AS)

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Item type	Current library	Collection	Call number	Copy number	Status	Date due	Barcode	Item holds
Journal Article	CIAT Library Document collection CINFOS	Document Collection CINFOS	41187 (Browse shelf(Opens below))	c.1	Short Loan		100059649

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Previous	41183 Ouro Negro: Cultivar recomendada para Minas Gerais e Rio de Janeiro	41184 Varre-Sai: Nova cultivar de feijao para o extremo noroeste fluminense	41186 Farming system analysis of an alternative production system for peasant farming in Morogoro, Tanzania	41187 Efectos de la sustitucion del sorgo por harina de yuca en raciones para vacas en lactancia	41188 Effect of potassium nutrition of cassava. (1). Growth, yield components and yield	41189 Ethanol fermentation of cassava starch by Zymomonas mobilis NRRL B-4286	41190 Improved enzymic assay for cyanogens in fresh and processed cassava	Next

La harina de yuca es un ingrediente cuyas caracteristicas nutricionales permiten incluirla en concentrados para ganado lechero. Se planeo este experimento cuyo objetivo fue estudiar los efectos de la sustitucion del sorgo por harina de yuca en raciones para vacas en lactancia. En este trabajo se sometieron 12 vacas a tres tratamientos en un diseno doble reversible de tres periodos de 14 dias cada uno y que fueron los siguientes: 1) 60 por ciento harina de yuca; 2) 30 por ciento harina de yuca + 30 por ciento sorgo; 3) 60 por ciento sorgo, en el concentrado y alfalfa a libre acceso (60:40, proporcion forraje concentrado). No se encontraron diferencias entre tratamientos en produccion de leche (17.22, 17.31 y 17.83 kg/d, respectivamente), grasa en leche, consumo y cambios de peso vivo. Los resultados indican que en estas condiciones se puede sustituir parcial o totalmente el sorgo (300 a 600 g/kg de harina de yuca en el concentrado) en raciones para vacas en lactancia sin afectar su produccion. (RA) spa

Cassava meal is a feed which, due to its nutritional characteristics, can be included in concentrates for dairy cattle. Therefore, this experiment was planned to study the effects of substituting sorghum by cassava meal in lactating cow rations. In this study, 12 cows were subjected to the following three treatments in a double-reversal trial (three periods of 14 days each): (1) 60 percent cassava meal; (2) 30 percent cassava meal + 30 percent sorghum; (3) 60 percent sorghum. That was for the concentrate while alfalfa was given ad libitum mantaining a 60:40 forage concentrate ratio. No differences were found among treatments for milk yield (17.22, 17.31 and 17.83 kg/d, respectively), milk fat, feed intake and live weight changes. The results obtained under these conditions indicate that sorghum can be partially or completely replaced (300 to 600 g/kg cassava meal in the concentrate) in rations for lactating cows without affecting their performance. (AS) eng