2012
DOI: 10.1590/s1519-99402012000200011
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Cinética de degradação de frações nutricionais de euforbiáceas

Abstract: Objetivou-se determinar a composição e a degradabilidade in situ da matéria seca, proteína bruta e fibra em detergente neutro dos fenos da mamona Paraguaçu (Ricinus communis), da mamona Nordestina (Ricinus communis), do pinhão manso (Jatropha curcas) e da maniçoba (Manihot pseudoglaziovii). Utilizaram-se três ovinos sem raça definida fistulados no rúmen. Em cada animal foram incubados 12 sacos nos períodos de 6; 12; 24; 48 e 96 horas, sendo três por feno de euforbiácea. O teor proteico variou entre 10,3% para … Show more

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Cited by 2 publications
(2 citation statements)
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“…According to the same authors, the low lignin content commonly found in forage palm allows for greater protein degradation, since there is no complexation of this nutrient in high amounts, conferring greater activity of proteolytic bacteria. The CP degradation parameters were higher in a study for maniçoba hay (Menezes et al, 2012) compared to the pornunça silage in the present study, with the same behavior observed for the ruminal degradability of NDF, except for fractions a and b and PD.…”
Section: Resultssupporting
confidence: 85%
“…According to the same authors, the low lignin content commonly found in forage palm allows for greater protein degradation, since there is no complexation of this nutrient in high amounts, conferring greater activity of proteolytic bacteria. The CP degradation parameters were higher in a study for maniçoba hay (Menezes et al, 2012) compared to the pornunça silage in the present study, with the same behavior observed for the ruminal degradability of NDF, except for fractions a and b and PD.…”
Section: Resultssupporting
confidence: 85%
“…The linear increase observed in sheep rumination time can be attributed to the lower effective rumen degradability (2% h -1 ) of the NDF of maniçoba hay (38.3% effective rumen degradability; MENEZES et al, 2012) than Tifton 85 hay (61.2% effective rumen degradability; MUNIZ et al, 2012). However, the addition of maniçoba hay did not affect intake rate or sheep rumination, indicating its suitability as a source of fibre in fodder spineless cactus diets.…”
Section: Resultsmentioning
confidence: 94%