Forestomach fermentation characteristics and diet digestibility in alpacas (Lama pacos) and sheep (Ovis aries) fed two forage diets

Liu, Q.; Dong, Chunhong; Li, H.Q.; Yang, Wude; Jiang, Junbing; Gao, Wenjun; Pei, Caixia; Zhong, Linhao

doi:10.1016/j.anifeedsci.2009.08.012

Cited by 14 publications

(13 citation statements)

References 26 publications

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“…However, literature data on CH 4 measurements obtained in llamas [26] and alpacas [29] kept on a roughage-only diet were incorporated in our analysis and turned out to be in the range of the values measured in this study, indicating the reliability of data derived under similar conditions from respiration measurements. Besides these scarce data, some CH 4 measurements in camelids have been published that were not obtained by chamber respirometry or not on a roughage-only diet [24], [25], [27], [28], [30]. Despite the different measurement conditions, these values are mostly consistent in magnitude with our measurements (Figure 1 and 2).…”

Section: Discussionsupporting

confidence: 89%

Methane Emission by Camelids

Dittmann

Runge²,

Lang

et al. 2014

PLoS ONE

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Methane emissions from ruminant livestock have been intensively studied in order to reduce contribution to the greenhouse effect. Ruminants were found to produce more enteric methane than other mammalian herbivores. As camelids share some features of their digestive anatomy and physiology with ruminants, it has been proposed that they produce similar amounts of methane per unit of body mass. This is of special relevance for countrywide greenhouse gas budgets of countries that harbor large populations of camelids like Australia. However, hardly any quantitative methane emission measurements have been performed in camelids. In order to fill this gap, we carried out respiration chamber measurements with three camelid species (Vicugna pacos, Lama glama, Camelus bactrianus; n = 16 in total), all kept on a diet consisting of food produced from alfalfa only. The camelids produced less methane expressed on the basis of body mass (0.32±0.11 L kg−1 d−1) when compared to literature data on domestic ruminants fed on roughage diets (0.58±0.16 L kg−1 d−1). However, there was no significant difference between the two suborders when methane emission was expressed on the basis of digestible neutral detergent fiber intake (92.7±33.9 L kg−1 in camelids vs. 86.2±12.1 L kg−1 in ruminants). This implies that the pathways of methanogenesis forming part of the microbial digestion of fiber in the foregut are similar between the groups, and that the lower methane emission of camelids can be explained by their generally lower relative food intake. Our results suggest that the methane emission of Australia's feral camels corresponds only to 1 to 2% of the methane amount produced by the countries' domestic ruminants and that calculations of greenhouse gas budgets of countries with large camelid populations based on equations developed for ruminants are generally overestimating the actual levels.

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Section: Discussionsupporting

confidence: 89%

Methane Emission by Camelids

Dittmann

Runge²,

Lang

et al. 2014

PLoS ONE

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“…Lower DM intake values in alpacas probably result from smaller rumen volumes and lower particulate passage (San Martin, 1987). In addition, the lack of differences in nutrient digestibility (DM, OM, CP, EE, NDF, and ADF) between alpacas and sheep in the present study is in line with previous findings (Liu et al, 2009;San Martin et al, 1982). However, numerous studies have suggested that SAC show an apparently better digestion capacity than sheep (Dulphy et al, 1997;San Martin and Bryant, 1989).…”

Section: Discussionsupporting

confidence: 93%

“…It was found that alpacas had a lower DM intake than sheep when fed maize stalk as roughage. It is consistent with the results reported by Liu et al (2009), who noted that feed intake (sorghum-sudan or fresh alfalfa) was lower in alpacas than in sheep. Lower DM intake values in alpacas probably result from smaller rumen volumes and lower particulate passage (San Martin, 1987).…”

Section: Discussionsupporting

confidence: 93%

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Forestomach fermentation and microbial communities of alpacas (Lama pacos) and sheep (Ovis aries) fed maize stalk-based diet

Xia¹,

Pei²,

Huo³

et al. 2020

J. Anim. Feed Sci.

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“…Alpaca's zijn semi-of functionele herkauwers en onderscheiden zich van de andere herkauwers door een maag die uit drie in plaats van vier delen bestaat (Liu et al 2009;San Martin and Bryant 1989).…”

Section: Uit De Informatie Blijkt Of De Diersoort Geschikt Is Als Prounclassified

Advies over de geschiktheid van de alpaca als productiedier

Neijenhuis

Ruis

Bokma

2015

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Dit onderzoek is uitgevoerd door Wageningen Livestock Research, in opdracht van en gefinancierd door het Ministerie van Landbouw, Natuur en Voedselkwaliteit, in het kader van het Beleidsondersteunend onderzoek thema Dierenwelzijn (projectnummer BO-20-008-004.37; KvB-2014 007) Wageningen Livestock Research Wageningen, december 2015 Rapport 928 Francesca Neijenhuis, Marko Ruis en Martien Bokma, 2015. Advies over de geschiktheid van de alpaca als productiedier. Wageningen, Wageningen Livestock Research, Rapport 928.Samenvatting NL Advies over de geschiktheid van de alpaca als productiedier, aan de hand van literatuurscan, bedrijfsaudit en expertview. In principe is de alpaca geschikt om te houden als productiedier, mits aan een aantal voorwaarden op het gebied van o.a. bezettingsgraad, schuilmogelijkheden, zandbaden en specifieke alpacakennis wordt voldaan. Summary UKAdvice on the suitability of the alpaca (Vicugna pacos) as a production animal, on the basis of literature scan, farm audit and extert view. In principle, the alpaca is suitable as production animal, provided that a number of conditions in the field of, among others, animal density, shelters, sand baths and specific alpaca knowledge are met.Dit rapport is gratis te downloaden op https://doi.org/10.18174/468584 of op www.wur.nl/livestock-research (onder Wageningen Livestock Research publicaties).

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Forestomach fermentation characteristics and diet digestibility in alpacas (Lama pacos) and sheep (Ovis aries) fed two forage diets

Cited by 14 publications

References 26 publications

Methane Emission by Camelids

Methane Emission by Camelids

Forestomach fermentation and microbial communities of alpacas (<i>Lama pacos</i><i></i>) and sheep (<i>Ovis aries</i>) fed maize stalk-based diet

Advies over de geschiktheid van de alpaca als productiedier

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