Effects of graded levels of tannin-containing tropical tree leaves on <i>in vitro</i>
 rumen fermentation, total protozoa and methane production

Bhatta, Raghavendra; Saravanan, Muthupandian; Baruah, Luna; Prasad, C. S.

doi:10.1111/jam.12723

Cited by 73 publications

(61 citation statements)

References 26 publications

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“…Inhibition of this symbiotic relationship may also negatively impact the ciliated protozoa population. Bhatta et al (2015) determined that rumen ciliated protozoa populations decreased when the feedstuff contained CT from Ficus bengalensis and Azardirachta indica at concentrations of 26 and 13.8%, respectively.…”

Section: Ct-enteric Fermentation Interactionsmentioning

confidence: 99%

The role of condensed tannins in ruminant animal production: advances, limitations and future directions

et al. 2017

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-Tannins represent one of the most abundant polyphenolic compounds in plants. Tannins exist as a multitude of chemically unique entities in nature. The most commonly occurring tannins are typically divided into two major classes based on chemical structure: hydrolysable (HT) or condensed tannins (CT). Hydrolysable tannins are esters of gallic or ellagic acid linked to a polyol core, typically glucose. Condensed tannins or proanthocyanidins consist of flavan-3-ol subunits linked together to form oligomers and polymers. Both HT and CT are defined as astringent, medium-to-high-molecular weight polyphenolic compounds that characteristically bind and precipitate soluble proteins. The objective of this paper was to present recent advances in CT-ruminant interactions, the limitations associated with understanding and using CT in ruminant animal production, and future needs for research to further advance our knowledge of the role of CT in optimization of ruminant animal production. Condensed tannins pose some anti-nutritional problems to ruminants due to their astringent property that reduces feed intake and, consequently, animal performance. Ruminants can, however, tolerate CT by slowly adapting the ruminal microbes to the toxic effects of CT and by releasing CT-binding salivary proteins. The protein-binding ability of CT has some benefits to the ruminant due to complexes formed with essential amino acids, preventing their degradation in the rumen, but releasing them in the lower gut for absorption by the animal. Recent data have suggested increased N retention when CT is given to growing animals. There are potential benefits of using CT and HT for anthelmintic purposes due to their ability to inhibit egg hatching and larval motility of gastrointestinal nematode parasites, especially in small ruminants. Condensed tannins also bind to minerals (Al, Ca, Co, Cu, Fe, Mg, Mn, P, and Zn). Although studies with ruminants have been contradictory, it has been reported that because the CT-metal ion complex is stable over a wide pH range, CT may reduce the bioavailability of minerals. Methane mitigation by feeding CT might be the most impactful benefit for ruminant production. Many empirical equations have been developed to predict ruminal methane emissions, but very few have included CT. Future research should focus on the improvement of methodology to assess CT biological activity, interaction with other plant-specialized metabolites, and associated physiological and nutritional impacts on ruminants.

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Section: Ct-enteric Fermentation Interactionsmentioning

confidence: 99%

The role of condensed tannins in ruminant animal production: advances, limitations and future directions

et al. 2017

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“…Therefore, mitigation of CH 4 production by ruminants has been recognised as an important goal because it reduces the greenhouse gas (GHG) emission and improves feed efficiency (Bouchard et al 2015). Enteric CH 4 is a by-product of anaerobic fermentation in the rumen which is produced by methanogenic archaea for disposing metabolic hydrogen (H 2 ) produced by their metabolic activity (Bhatta et al 2014). In the rumen ecosystem, rumen protozoa are also involved in methanogenesis through a symbiotic relationship with methanogenic archaea which utilise H 2 produced by the protozoa to produce CH 4 (Tan et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Ruminal methanogenesis and biohydrogenation reduction potential of papaya (Carica papaya) leaf: anin vitrostudy

Jafari

Goh

Rajion

et al. 2016

Italian Journal of Animal Science

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An in vitro gas production study was conducted to test the effect of papaya leaf (PL) at different concentrations of 0 (CON), 10% (Low PL: LPL), 15% (Medium PL: MPL) and 25% (High PL: HPL) of replacement with alfalfa hay (AH) in substrate (50% AH þ 50% concentrate) on rumen methane (CH 4 ) production, rumen biohydrogenation (BH) of polyunsaturated fatty acid (PUFA) and rumen microbial population. PL at different concentrations were mixed with 30 ml of buffered rumen fluid and were incubated for 24 h. Methane production (ml/250 mg DM) declined at a decreasing rate (linear p ¼ 0.03) with increasing levels of PL. The acetic/propionic ratio (1.80) was lowest (p < 0.05) for HPL compared with CON (2.04), LPL (1.95) and MPL (1.89). Supplementation of the diet with PL significantly (p < 0.05) decreased the rate of BH of C18:2n-6 (LA) and C18 PUFA after 24 h of incubation especially at the higher inclusion rate, resulting in an increased production of rumen BH intermediates such as conjugated linoleic acid (CLA), whereas saturated fatty acid (SFA) decreased in the rumen fluid after 24 h of incubation. Estimates of rumen microbial population using real-time PCR assay showed a reduction in total methanogens (p < 0.05) in MPL (À12%) and HPL (À16%) and increase in total bacteria population (HPL: þ5%) and Butyrivibro fibrisolvens (MPL: þ20; HPL: þ23%) among PL treatment groups compared with the CON group. These results emphasise PL as a beneficial feed material for ruminants. ARTICLE HISTORY

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“…Suharyono & Widiawati (2007) also reported that molasses is easily digested carbohydrates which are major feed for protozoa. Bhatta et al (2015) also reported that methane production was related to the protozoa population. Methane was generated by methanogens bacteria that consumed hydrogen.…”

Section: In Vitro Gas Characteristicsmentioning

confidence: 95%

Effect of Superblock Supplementation to Native Grass Based Diet on Rumen Fermentation In Vitro

Wahyono¹,

Handani²,

Firsoni³

2016

Proceedings of International Seminar on Livestock Production and Veterinary Technology

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Superblock is the new generation of feed supplement which formulated from rice bran, molasses, soybean meal, urea, salt, and lacta-mineral. In vitro experiment was carried out to evaluate the effect of Superblock, supplemented in native grass based diet. Treatments evaluated were: C (60% native grass + 40% rice bran ) and S (C + Superblock). Experimental design of this study was completely randomized design with two treatments and six replication. Gas production measurements were performed at 0, 2, 4, 6, 8, 10, 12, 24, and 48 h. Methane and carbondioxide concentration were measured after 48 h incubation. In vitro organic matter digestibility (IVOMD), energy metabolism (EM) and total volatile fatty acids (TVFA) were calculated from the total gas production after 24 h incubation. Superblock supplementation in native grass based diet could increase optimum total gas production (13.37%), IVOMD (8.45%), EM (7.28%), TVFA (10.41%) and methane production (4.67%). It was concluded that Superblock supplementation to native grass basal diet increased total gas production, IVOMD, EM and TVFA production. However, methane production also increased which is unwilling result therefore more appropiate strategy is needed to overcome this problem.

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Effects of graded levels of tannin-containing tropical tree leaves on in vitro rumen fermentation, total protozoa and methane production

Cited by 73 publications

References 26 publications

The role of condensed tannins in ruminant animal production: advances, limitations and future directions

The role of condensed tannins in ruminant animal production: advances, limitations and future directions

Ruminal methanogenesis and biohydrogenation reduction potential of papaya (Carica papaya) leaf: anin vitrostudy

Effect of Superblock Supplementation to Native Grass Based Diet on Rumen Fermentation In Vitro

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