Development of statistical models for prediction of enteric methane emission from goats using nutrient composition and intake variables

Patra, Amlan Kumar; Lalhriatpuii, Melody

doi:10.1016/j.agee.2015.09.018

Cited by 36 publications

(24 citation statements)

References 29 publications

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“…15% of gross energy (Johnson et al, 2007;Patra and Lalhriatpuii, 2016). In the present study, energy loss as CH4 (% GE) ranged between 8.8 and 9.6%; these values are comparable to those reported for beef cattle fed low-quality rations in tropical regions (Ym between 7-9%; Kaewpila andSommart, 2016, Molina et al, 2016).…”

Section: Discussionsupporting

confidence: 82%

“…Livestock produces greenhouse gases such as nitrous oxide and methane; the latter has a warming potential 28 times higher than carbon dioxide and an increase of 86% has been predicted to occur over the next twenty years (Myhre et al, 2013). Production of methane during carbohydrate fermentation in the rumen represents an inefficiency in energy utilization at the whole-animal level (Millen et al, 2016;Patra & Lalhriatpuii, 2016) which negatively affects the economy of producers. Therefore, it is important to identify methods and strategies to find a balance between minimizing environmental impacts and intensifying animal productivity to meet requirements of animal protein by the world population (Roehe et al, 2016;Rojas-Downing et al, 2017;Richards et al, 2018) in the years to come.…”

Section: Introductionmentioning

confidence: 99%

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Effects of tannins and saponins contained in foliage of Gliricidia sepium and pods of Enterolobium cyclocarpum on fermentation, methane emissions and rumen microbial population in crossbred heifers

Molina-Botero

Arroyave-Jaramillo

Valencia-Salazar

et al. 2019

Animal Feed Science and Technology

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Effects of tannins and saponins contained in foliage of Gliricidia sepium and pods of Enterolobium cyclocarpum on fermentation, methane emissions and rumen microbial population in crossbred heifers.The International Center for Tropical Agriculture (CIAT) believes that open access contributes to its mission of reducing hunger and poverty, and improving human nutrition in the tropics through research aimed at increasing the eco-efficiency of agriculture.CIAT is committed to creating and sharing knowledge and information openly and globally. We do this through collaborative research as well as through the open sharing of our data, tools, and publications. Effects of tannins and saponins contained in foliage of Gliricidia sepium and pods of Enterolobium cyclocarpum on fermentation, methane emissions and rumen microbial population in crossbred heifers, Animal Feed Science and Technology (2019), https://doi. AbstractIncorporation of foliage and pods of tropical legumes in ruminant rations is an alternative to mitigate enteric methane emissions. The objective of this research was to evaluate the effect of adding increasing levels of ground pods of Enterolobium cyclocarpum (Jacq.) Griseb. mixed with foliage of Gliricidia sepium (Jacq.) Steud. on emissions of ruminal methane (CH4), volatile fatty acid proportions, rumen pH and microbial population in cattle. Four heifers (218 ±18 kg LW) were fed (13 days) 0, 15, 30, and 45% of pods of E. cyclocarpum mixed with foliage of G. sepium, which were supplemented to a basal ration of Brachiaria brizantha (Hochst. ex A. Rich.) Stapf. Data were analyzed as a 4×4 Latin square. After three days of CH4 measurements in open-circuit respiration chambers, rumen fluid was collected to determine volatile fatty acid (VFA) molar proportions and quantify the microbial population. Samples of ration ingredients, refusals and feces were collected to evaluate nutrient composition. Foliage and pods of legumes provided crude protein (CP), condensed tannins (CT) and saponins, while grass was characterized by higher concentrations of neutral detergent fiber (NDF). Dry matter intake (DMI) was 5.35 kg/day on average (P=0.272). Apparent fiber digestibility was reduced (81 g/kg) and digestible CP intake (13 g/kg) increased when E. cyclocarpum mixed with G. sepium in rations were given (P<0.05). Incorporation of legume foliage and pods had a linear effect on molar proportions of butyric acid and acetic to propionic acid ratio (P<0.05). Methane production, expressed on basis to digestible dry matter intake (DDMI), ranged between 43.22 and 49.94 g/kg DDMI (P=0.131) and when CH4 was related to digestible CP (347 vs. 413 g CH4 /kg DCP) or annual weight gains (0.30 vs. 0.38 kg CH4/kg weight gain, P<0.001) there were differences between the E. cyclocarpum mixed with G. sepium rations compared to the control treatment, respectively.Rumen population of total bacteria, methanogenic archaea, and total protozoa was not affected by the increasing levels of condensed tannins and saponins in rations (P>0.05).Substitut...

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Section: Discussionsupporting

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Effects of tannins and saponins contained in foliage of Gliricidia sepium and pods of Enterolobium cyclocarpum on fermentation, methane emissions and rumen microbial population in crossbred heifers

Molina-Botero

Arroyave-Jaramillo

Valencia-Salazar

et al. 2019

Animal Feed Science and Technology

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“…Recently, several statistical models have been developed for buffaloes, goats, sheep, and tropical cattle (Table 1 ). These newly fitted models performed better than the IPCC ( 93 ) and FAO ( 1 ) models as the recently developed equations had lower RMSPE values compared with these extant models ( 95 ). These new models should be considered for accurate preparation of enteric CH 4 emission inventories for buffaloes, goats, sheep, and tropical cattle.…”

Section: Measurement Methods Of Ch 4 Emissionsmentioning

confidence: 93%

“…These new models should be considered for accurate preparation of enteric CH 4 emission inventories for buffaloes, goats, sheep, and tropical cattle. For example, Patra and Lalhriatpuii ( 95 ) showed that the estimates of CH 4 emission by goats were 5.23 and 5.15 kg/goat annually (actual CH 4 production was 5.22 kg/goat/year) using the equations based on gross energy intake and digestible energy intake for goats, respectively. The estimate of CH 4 emission using FAO ( 1 ) was 6.78 kg/goat/year, which was substantially greater than actual CH 4 production.…”

Section: Measurement Methods Of Ch 4 Emissionsmentioning

confidence: 99%

Recent Advances in Measurement and Dietary Mitigation of Enteric Methane Emissions in Ruminants

Patra

2016

Front. Vet. Sci.

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Methane (CH4) emission, which is mainly produced during normal fermentation of feeds by the rumen microorganisms, represents a major contributor to the greenhouse gas (GHG) emissions. Several enteric CH4 mitigation technologies have been explored recently. A number of new techniques have also been developed and existing techniques have been improved in order to evaluate CH4 mitigation technologies and prepare an inventory of GHG emissions precisely. The aim of this review is to discuss different CH4 measuring and mitigation technologies, which have been recently developed. Respiration chamber technique is still considered as a gold standard technique due to its greater precision and reproducibility in CH4 measurements. With the adoption of recent recommendations for improving the technique, the SF6 method can be used with a high level of precision similar to the chamber technique. Short-term measurement techniques of CH4 measurements generally invite considerable within- and between-animal variations. Among the short-term measuring techniques, Greenfeed and methane hood systems are likely more suitable for evaluation of CH4 mitigation studies, if measurements could be obtained at different times of the day relative to the diurnal cycle of the CH4 production. Carbon dioxide and CH4 ratio, sniffer, and other short-term breath analysis techniques are more suitable for on farm screening of large number of animals to generate the data of low CH4-producing animals for genetic selection purposes. Different indirect measuring techniques are also investigated in recent years. Several new dietary CH4 mitigation technologies have been explored, but only a few of them are practical and cost-effective. Future research should be directed toward both the medium- and long-term mitigation strategies, which could be utilized on farms to accomplish substantial reductions of CH4 emissions and to profitably reduce carbon footprint of livestock production systems. This review presents recent developments and critical analysis on different measurements and dietary mitigation of enteric CH4 emissions technologies.

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“…Wilkerson et al (1995) found that CH4 emission in cattle ranged from 6% to 10%. Patra and Lalhriatpuii (2016) suggested that CH4 production is lower in goats than in cattle due to grater passage rate of feeds for goats than for cattle, and consequently low CH4 production per unit of feed intake for goats.…”

Section: Discussionmentioning

confidence: 99%

Influence of Nutrition on Methane Gas Production in Murciano-Granadina Goats

Sanchis¹

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In vitro gas production technique ……………………………………………… Strategies for reduction of methane emissions from the rumen ………………… Defaunation treatment…………………………………………………………… Vaccine ……………………………………………………………………………… Dietary composition ……………………………………………………………….

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Development of statistical models for prediction of enteric methane emission from goats using nutrient composition and intake variables

Cited by 36 publications

References 29 publications

Effects of tannins and saponins contained in foliage of Gliricidia sepium and pods of Enterolobium cyclocarpum on fermentation, methane emissions and rumen microbial population in crossbred heifers

Effects of tannins and saponins contained in foliage of Gliricidia sepium and pods of Enterolobium cyclocarpum on fermentation, methane emissions and rumen microbial population in crossbred heifers

Recent Advances in Measurement and Dietary Mitigation of Enteric Methane Emissions in Ruminants

Influence of Nutrition on Methane Gas Production in Murciano-Granadina Goats

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