Inclusão de fontes de óleo na dieta de cabras em lactação: digestibilidade dos nutrientes e parâmetros ruminais e sangüíneos

Maia, Fábio José; Branco, Antônio Ferriani; Mouro, Gisele Fernanda; Coneglian, Sabrina Marcantonio; Santos, Geraldo Tadeu dos; Minella, Tathiane Fernanda; Macêdo, Francisco de Assis Fonseca de

doi:10.1590/s1516-35982006000500032

Cited by 15 publications

(15 citation statements)

References 20 publications

(18 reference statements)

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“…Milk yield decrement in studies by Martin et al (2008) in cows and Silva et al (2007) in goats by extra fat addition (5.7% in the diets of former study and 4.5% in those of latter) compared with animals given control diets without fat inclusion was parallel with DMI and fibrous carbohydrate digestibility. The DMI and milk production was similar with control diet but 24% decrease in NDF digestibility observed when diet included with 5.1% of soybean oils, rapeseed or rice (Maia et al, 2006a;2006b).…”

Section: Effect Of Supplemental Fat On Milk Yieldmentioning

confidence: 52%

Effect of Supplemental Fat on Dry Matter Intake, Nutrient Digestibility, Milk Yield and Milk Composition of Ruminants

Nawaz¹,

Ali²

2016

PAKJAS

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Use of supplemental fat in the ration of ruminants is increasing. This review provides the recent knowledge on the effect of supplemental fat in ruminants' diets. In addition, the effect of supplemental fat on the nutrient intake, nutrient digestibility and body weight gain are also discussed. Research conducted on dairy cows shows that extra fat addition decreases dry matter intake (DMI) with the negative effect on digestibility. Gut peptides released in response to extra fat which have negative effect on DMI. This effect is not perceived in ewes and goats. The addition of fat in the diets of ruminants decreased the nutrient digestibility either due to protection of fiber from fermentation or toxic effect on cellulolytic microbes. The supplementation of fat is the good strategy for early lactating cows as fat addition increased the energy density. The trend to use supplemental fat is increasing because fats have 2.25 times more gross energy than carbohydrates.

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Section: Effect Of Supplemental Fat On Milk Yieldmentioning

confidence: 52%

Effect of Supplemental Fat on Dry Matter Intake, Nutrient Digestibility, Milk Yield and Milk Composition of Ruminants

Nawaz¹,

Ali²

2016

PAKJAS

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“…O efeito da inclusão de óleos na dieta ainda não está bem elucidado, visto que alguns autores verificaram redução no consumo (JENKINS &THIES, 1997;SILVA et al, 2007), enquanto outros não observaram influência do lipídio na dieta (MAIA et al, 2006;LANA et al, 2007).…”

Section: Resultsunclassified

Consumo, digestibilidade de nutrientes e parâmetros sanguíneos de cabras mestiças moxotó suplementadas com óleos de licuri ou mamona

et al. 2010

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“…Upon the addition of 5.1% oil (canola oil, rice and soybeans) to the diets of goats, which consisted of a forage: concentrate ratio of 50:50 and 7.83% fat content, Maia et al (2006) observed no changes in the N-NH 3 ruminal concentrations. However, they observed an increase in the pH, showing that addition of fat may alter ruminal fermentation patterns and microbial activity.…”

Section: Introductionmentioning

confidence: 98%

Intake, digestibility and ruminal parameters of dairy cows fed pelleted diets and treated with lignosulfonate-containing sunflower seeds

et al. 2013

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The objective of this study was to evaluate intake, in vitro and apparent digestibility and ruminal parameters of Holstein cows that were confined and fed corn silage and concentrate containing: ground sunflower seeds (GS); ground sunflower seeds treated with 5% lignosulfonate (GSL); pelleted sunflower seeds (PS); or ground and pelleted sunflower seeds treated with lignosulfonate (PSL). Four lactating cows with 130±28 days of lactation and body weights of 569±63 kg were used. These animals were distributed in a Latin square design with four diets and four periods of 21 days each. There were no differences in the intakes (% body weight) of dry matter (DM), organic matter (OM), mineral matter (MM), crude protein (CP), neutral detergent fiber (NDF) or acid detergent fiber (ADF). The apparent digestibility of DM, OM, CP, EE, NDF, ADF and NFC were similar for all the diets, with a tendency towards decreased CP digestibility for all the pelleted diets (65.79%) compared with the non-pelleted diets (69.66%). A negative effect of lignosulfonate was observed for the in vitro digestibility (IVD) of DM, and a negative tendency was observed for the IVD of OM. Pelleting decreased the concentration of acetic acid (55.95 × 58.82 mM) in rumen fluid. There was no effect of diet on pH (6.17) or ammonia nitrogen concentration (18.19 mg/dL). Pelleting and lignosulfonate do not promote the protective effect of sunflower seed nutrients as expected, and it may be more feasible to provide ground sunflower seed.

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Inclusão de fontes de óleo na dieta de cabras em lactação: digestibilidade dos nutrientes e parâmetros ruminais e sangüíneos

Cited by 15 publications

References 20 publications

Effect of Supplemental Fat on Dry Matter Intake, Nutrient Digestibility, Milk Yield and Milk Composition of Ruminants

Effect of Supplemental Fat on Dry Matter Intake, Nutrient Digestibility, Milk Yield and Milk Composition of Ruminants

Consumo, digestibilidade de nutrientes e parâmetros sanguíneos de cabras mestiças moxotó suplementadas com óleos de licuri ou mamona

Intake, digestibility and ruminal parameters of dairy cows fed pelleted diets and treated with lignosulfonate-containing sunflower seeds

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