Effect of Levels of Sodium DL-malate Supplementation on Ruminal Fermentation Efficiency of Concentrates Containing High Levels of Cassava Chip in Dairy Steers

Khampa, Sittisak; Wanapat, Metha; Wachirapakorn, C.; Nontaso, N.; Wattiaux, M.A.; Rowlison, P.

doi:10.5713/ajas.2006.368

Cited by 27 publications

(11 citation statements)

References 26 publications

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“…Malic acid can promote the utilization of lactate by Selenomonas ruminantium and then can prevent the decrease of ruminal pH ( Castillo et al, 2004 ). Moreover, malic acid can increase the production of propionate ( Khampa et al, 2006 ) and butyrate ( Liu et al, 2009 ), and regulate the activity of some types of ruminal bacteria ( Liu et al, 2009 ). The increase of octadecanoic acid comes from the hydrogenation of oleic acid, and the abundance of Bulleidia, Oscillospira, CF231 and Paracoccus is strongly correlated with the level of hexadecanoic acid and oleic acid.…”

Section: Resultsmentioning

confidence: 99%

Feeding a High Concentration Diet Induces Unhealthy Alterations in the Composition and Metabolism of Ruminal Microbiota and Host Response in a Goat Model

Hua

Tian

et al. 2017

Front. Microbiol.

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There is limited knowledge about the impact of long-term feeding a high-concentrate (HC) diet on rumen microbiota, metabolome, and host cell functions. In this study, a combination of mass spectrometry-based metabolomics techniques, 454 pyrosequencing of 16S rDNA genes, and RT-PCR was applied to evaluate the changes of ruminal microbiota composition, ruminal metabolites, and related genes expression in rumen epithelial cells of lactating goats received either a 35% concentrate diet or a 65% concentrate diet for 4 or 19 weeks, respectively. Results show that feeding a HC diet reduced the microbiota diversity and led to the disorders of metabolism in the rumen. The concentrations of lactate, phosphorus, NH3-N and endotoxin Lipopolysaccharide in ruminal fluids, and plasma histamine, lactate and urine N (UN) were increased significantly in goats fed with a HC diet. A significant increase of genes expression related to volatile fatty acids transport, cell apoptosis, and inflammatory responses were also observed in goats fed with a HC diet. Correlation analysis revealed some potential relationships between bacteria abundance and metabolites concentrations. Our findings indicate that a HC diet can induce ruminal microbiota dysbiosis and metabolic disorders, thus increasing risks to host health and potential harm to the environment.

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Section: Resultsmentioning

confidence: 99%

Feeding a High Concentration Diet Induces Unhealthy Alterations in the Composition and Metabolism of Ruminal Microbiota and Host Response in a Goat Model

Hua

Tian

et al. 2017

Front. Microbiol.

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“…It has been well documented that bacterial populations in the rumen at a given time, largely determine the extent and rate of fiber degradation (Khampa et al, 2006). Diet is one of the main factors influencing the rumen microbial populations and specifically the milieu of substrate derived from microbial fermentation of ingested feed (Carberry et al, 2012).…”

Section: Resultsmentioning

confidence: 99%

Profiling of Rumen Fermentation and Microbial Population Changes in Goats Fed with Napier Grass Supplemented with Whole Corn Plant Silage

Khaing¹,

Loh²,

Ghizan³

et al. 2015

Asian J. of Animal Sciences

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The effects of different inclusion level of whole corn plant silage to Napier grass were observed in determining rumen fermentation and microbial population in goats. Fifteen male Boer cross goats around six months old of approximately 18.54±1.83 kg of b.wt., were used as experimental animals. The goats were assigned into five groups with three goats per treatment group. The five treatment groups consisted of different proportions of Napier Grass (G) and whole corn plant silage (CS)-G/CS, (T1) 100/0, (T2) 75/25, (T3) 50/50, (T4) 25/75 and (T5) 0/100, respectively. The mean concentrations of rumen NH 3 -N (mg dLG 1 ) were not significant differences among the treatments, although T4 and T5 were slightly increased compared to other treatments. The total VFA production in the rumen fluid of the goat was not significantly different among the treatments, however; highest molar proportion of propionic acid and lowest proportion of acetic acid was observed in goat fed with T5 diets. Although the total bacteria population of rumen content was not significantly different among the dietary treatments, the population of R. albus, R. flavefaciens and F. succinogen showed significantly (p<0.05) among the treatments. The lowest population of methanogen and protozoa were detected in the rumen of goats fed T5 diet compared with other treatments. Thus, the animals fed with T5 diet showed the highest proportion of propionic acid and the lowest number of methanogen and protozoa population in the rumen. cellulolytic bacteria population in the rumen. According to Lettat et al. (2013), corn silage contains higher amounts of starch, which make it an interesting means to reduce methanogenic archea production as compared with alfalfa silage. It is well known that starch fermentation in the rumen favors propionate production at the expense of acetate and decreases ruminal pH, which reduces hydrogen availability and inhibits the activity of rumen methanogens (Martin et al., 2010;Hook et al., 2011). Rumen protozoal numbers are also often decreased in ruminants fed high-starch diets, which also reduces the transfer of hydrogen from protozoa to methanogens (Morgavi et al., 2012). In the ruminant, the production of methane reduces the energy availability of the animals. It is estimated between 2-12% of the gross energy in the feed is lost as a methane production (Johnson and Johnson, 1995). Thus, dietary manipulation to improve efficiency of nutrient utilization as well as to decrease the impact of ruminant production on the environment is an important goal for ruminant nutritionists. According to Lettat et al. (2013), increasing the corn silage in the diet of dairy cow increased propionate concentration but decreased ruminal pH, methane production and concentration of acetate and butyrate compared to alfalfa silage. De Campos et al. (2002) described that in vitro rumen fermentation profiles of 50:50 sugar cane/corn silage diets were higher compared to those of other combination. However, these investigations are more focused on inclusion of ...

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“…Malate supplementation have increased nitrogen retention in sheep and steers (34) . Higher muscle growth may be attributed to an increase of microbial protein production (3,36) , or to the high availability of propionate converted from the added MA as it 'sinks' H2 when reducing methanogenesis in rumen (7,37) . Both high nitrogen and propionate levels in rumen could increase muscle size firstly by depositing more nitrogen directly into the tissue, and secondly through the higher level of alanine bioavailability produced by the propionate metabolism through gluconeogenesis (38) .…”

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confidence: 99%

La suplementación con DL-ácido málico mejora las características de la canal de borregos Pelibuey en finalización

Loya-Olguin

Ávila-Ramos

González

et al. 2019

Rev. Mex. Cienc. Pecu.

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El objetivo del presente estudio fue evaluar el efecto de la adición de DL-ácido málico en dietas de borregos Pelibuey en finalización sobre ganancia diaria de peso, características de la canal y componentes que no son parte de la canal. Se utilizaron 16 corderos machos de 27 ± 1.92 kg de peso vivo durante los 48 d de la prueba de alimentación. Los animales fueron alimentados con una dieta alta en energía que contenía rastrojo de maíz, como la única fuente de forraje, con y sin DL-ácido málico (MA). Los animales fueron asignados al azar a uno de los dos tratamientos con 8 borregos cada uno: 1) 4 g de MA por kilogramo de alimento y 2) Control (sin MA). Cuatro borregos de cada tratamiento fueron sacrificados, después de la prueba de alimentación, para medir las características de la canal y los componentes que no son parte de la canal. Los borregos alimentados con MA presentaron una mayor (P<0.05) área del musculo Longissimus lumborum. Sin embargo, no hubo efecto (P>0.05) del MA sobre la ganancia diaria de peso y peso de los componentes que no son parte de la canal. En conclusión, la adición de 4 g de DL-ácido málico, en alimento con alto contenido energético, promueve el crecimiento muscular lo que mejora la calidad de la canal de los borregos en finalización.

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Effect of Levels of Sodium DL-malate Supplementation on Ruminal Fermentation Efficiency of Concentrates Containing High Levels of Cassava Chip in Dairy Steers

Cited by 27 publications

References 26 publications

Feeding a High Concentration Diet Induces Unhealthy Alterations in the Composition and Metabolism of Ruminal Microbiota and Host Response in a Goat Model

Feeding a High Concentration Diet Induces Unhealthy Alterations in the Composition and Metabolism of Ruminal Microbiota and Host Response in a Goat Model

Profiling of Rumen Fermentation and Microbial Population Changes in Goats Fed with Napier Grass Supplemented with Whole Corn Plant Silage

La suplementación con DL-ácido málico mejora las características de la canal de borregos Pelibuey en finalización

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