Supplementary Feeding on the Nutrient Balance of Lactating Dairy Cow at Contrasting Temperature Regimes: Assessment Using Cornell Net Carbohydrate and Protein System (Cncps) Model

Jayanegara, Anuraga; Sofyan, Ahmad

doi:10.14710/jitaa.34.3.196-204

Cited by 2 publications

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References 26 publications

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“…Supplementation to forage based diet is necessary to provide adequate nutrient supply, especially for high producing ruminants (Jayanegara and Sofyan, 2009). So far concentrate is the commonest supplement used (Bargo et al, 2002;Steinshamn et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

“…However, high cost of concentrate may limit its use as a supplement particularly for small-holder farmers and, therefore, alternative supplement needs to be introduced. Although it has been shown that some alternative supplements from Leucaena leucocephala and Gliricidia sepium leaves were inferior as compared to conventional concentrate (Jayanegara and Sofyan, 2009), screening of such alternative supplements from plant leaves is important to be further extended.…”

Section: Introductionmentioning

confidence: 99%

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Ruminal Fermentation Kinetics of Moringa and Peltiphyllum Supplements During Early Incubation Period in the in Vitro Reading Pressure Technique

Jayanegara

Sabhan

Takyi

et al. 2010

J. Indonesian Trop. Anim. Agric.

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This experiment was aimed to observe rumen fermentation kinetics of alternative supplements, i.e. Moringa oleifera and Peltiphyllum peltatum leaves added to maize silage diet as compared to a conventional supplement (barley-soya). A total of six treatments were investigated in the present study, which consisted of: maize silage (A), M. oleifera (B), P. peltatum (C), maize silage + concentrate (56:44, w/w; D), maize silage + M. oleifera (56:44, w/w; E), and maize silage + concentrate + P. peltatum (47:37:16, w/w/w; F). The feeds were incubated in vitro in three replicates (completely randomized) using the Reading Pressure Technique system. Approximately 800 mg of the feeds were mixed by 75 ml of buffered rumen liquor. The incubation was carried out up to 12 h in bottles and gas pressure was recorded and released in regular intervals. Repeated sampling was conducted for analysis of fermentation products at 1, 6 and 12 h of incubation period. The results showed that the nutritional quality of Moringa and its fermentation pattern was comparable to that of barley-soya concentrate. Plain Moringa incubation resulted the highest production of iso-SCFA and soluble protein concentration among all treatments after 12 h incubation (P<0.05). Incubation of sole Peltiphyllum peltatum highly hampered the fermentation rate. Production of iso-SCFA both for plain Peltiphyllum and its mixture were comparatively low. Supplementation of Peltiphyllum increased significantly soluble protein concentration during 12 h incubation (P<0.05). Peltiphyllum also had a very low C 2 +C 4 /C 3 ratio compared to other treatments. It could be concluded that Moringa oleifera is a potential alternative supplement to replace either partially or completely concentrate as a conventional supplement, and Peltiphyllum peltatum supplementation could reduce excessive protein degradation and fermentation of the concentrate in the rumen.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ruminal Fermentation Kinetics of Moringa and Peltiphyllum Supplements During Early Incubation Period in the in Vitro Reading Pressure Technique

Jayanegara

Sabhan

Takyi

et al. 2010

J. Indonesian Trop. Anim. Agric.

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Condensed Tannin Effects on Nitrogen Digestion in Ruminants: A Meta-analysis from in Vitro and in Vivo Studies

Jayanegara¹,

Palupi²

2010

medpet

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Statistical meta-analysis approach was conducted to quantify the eff ect of a wide range of dietary condensed tannin (CT) concentration on nitrogen digestion in ruminants. A total of 19 studies from published papers and own previously unpublished studies comprising of 100 treatments were pooled in a database. The database was segregated into two categories based on diff erent methods or systems where the experiments were carried out, i.e. in vitro (6 studies, 65 treatments) and in vivo experiments (13 studies, 35 treatments). Mixed model eff ects were applied to the data; diff erent studies were treated as random eff ects whereas dietary CT (continuous predictor variable) was treated as fi xed eff ects. The results showed that in the in vitro studies, organic ma er digestibility (OMD) decreased linearly (P=0.002) as CT concentration in feed increased. Likewise, such linear decrease of OMD at increasing CT was observed in the in vivo studies (P<0.001) as well as crude protein digestibility (CPD, P<0.001). The variation on in vitro OMD was higher at lower level of CT. Nitrogen retention was not signifi cantly aff ected by CT level. It was concluded that CT reduced nutrient digestibility in ruminants, but its eff ect on N retention was unclear from the present study.

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Supplementary Feeding on the Nutrient Balance of Lactating Dairy Cow at Contrasting Temperature Regimes: Assessment Using Cornell Net Carbohydrate and Protein System (Cncps) Model

Cited by 2 publications

References 26 publications

Ruminal Fermentation Kinetics of Moringa and Peltiphyllum Supplements During Early Incubation Period in the in Vitro Reading Pressure Technique

Ruminal Fermentation Kinetics of Moringa and Peltiphyllum Supplements During Early Incubation Period in the in Vitro Reading Pressure Technique

Condensed Tannin Effects on Nitrogen Digestion in Ruminants: A Meta-analysis from in Vitro and in Vivo Studies

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