NDLI: Efecto de la oferta de pasto kikuyo y ensilaje de avena sobre la producción y calidad composicional de la leche bovina

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Efecto de la oferta de pasto kikuyo y ensilaje de avena sobre la producción y calidad composicional de la leche bovina

Content Provider	Semantic Scholar
Author	Mójica, Ruíz Castro, R. Edwin León, Cielo M. Cardenas, Rebekah A. Pabón, R. Carulla, F. Juan Evangelista
Copyright Year	2009
Abstract	The effects of the offer of kikuyu grass and oats silage on production and compositional quality of milk was evaluated using 18 Holstein cows in early and mid lactation, between 2 and 4 births, with a live weight (LW) of 585 kg and a milk production of 22.0 L/d. The experiment was carried out at Marengo Agricultural Center of the National University of Colombia. Three offers of silage (dry matter, DM); 0%, 0.7% y 1.4% of LW) were evaluated complemented with kikuyu grass in grazing to reach a total offer of 4%. The animals were supplemented daily with a balanced supplement. Kikuyu grass intake was estimated using chromium (external marker) and acid detergent indigestible fiber (internal marker). Kikuyu intake decreased (p < 0.001) to increase the proportion of silage in early and mid lactation cows. The milk production was affected by interaction kikuyu-silage offer, lactating stage and time of sampling (p < 0.01). Protein (0.2 units) (p < 0.05) and casein (0.35 units) concentration (p < 0.05) increased in early lactation cows offered oat silage at a level of 0.7% LW milk, while an offer of 1.4% LW decreased protein concentration (0.15 units) and slightly increased casein concentration (0.05 units) (p < 0.05). Milk fat tended to increase as oat silage was offered in the diet (p < 0.1).
Starting Page	81
Ending Page	90
Page Count	10
File Format	PDF HTM / HTML
DOI	10.21930/rcta.vol10_num1_art:132
Volume Number	10
Alternate Webpage(s)	https://www.redalyc.org/pdf/4499/449945026008.pdf
Alternate Webpage(s)	https://repository.agrosavia.co/bitstream/handle/20.500.12324/18973/44070_56190.pdf?isAllowed=y&sequence=1
Alternate Webpage(s)	https://doi.org/10.21930/rcta.vol10_num1_art%3A132
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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