Comparison of the Digestive Tract in Svalbard and Norwegian Reindeer

Staaland, Hans; Jacobsen, Endre; White, Robert G.

doi:10.2307/1550563

Cited by 47 publications

(32 citation statements)

References 5 publications

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“…For the mineral component of RF71, P availability was similar while ash, Ca and Mg were of lower availability to Svalbard than to Norwegian reindeer. Therefore the enlarged cecum/colon of Svalbard reindeer (Staaland et al, 1979), which is a major site of water, Mg, Na and K absorption in Norwegian reindeer (White et al, 1984), does not convey an advantage over that in Norwegian reindeer when these nutrients are present in high concentration.…”

Section: Discussionmentioning

confidence: 96%

“…It is therefore not surprising that peary caribou (Rangifer tarandus pearyi) and Svalbard reindeer extensively fed on grasses and sedges as well as mosses (Hjeljord, 1975;Thomas and Kroeger, 1980;Staaland et al, 1983;Klein and Staaland, 1984). The Svalbard reindeer has a large digestive system and a relatively larger cecum/colon complex than mainland Norwegian reindeer (Staaland et al, 1979), which may well serve to maximize digestion and absorption.…”

Section: Introductionmentioning

confidence: 99%

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Digestion of energy and nutrients in Svalbard reindeer

Staaland

Øritsland

White

1988

Ran

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Feeding trials with 5 male Svalbard reindeer, Rangifer tarandus platyrhynchus Vrolik were conducted at the Man and the Biosphere (MAB) Research Station in Adventdalen, Svalbard. Five different diets were used, 1: commercial reindeer food, (RF-71), 2: a mixture of locally harvested grasses and sedges (mainly Dupontia pelligera and Eriphorum scheusczeri), 3: a pure moss (Pleurozium scheberi) diet, 4: a lichen diet using the dominant Svalbard species Cetraria delisei, and 5: a mixed diet of RF-71, moss (P. schreberi) and lichens (mainly Cladonia alpestris and Cladonia rangiferina). When fed the RF-71 diet the digestibility by Svalbard and Norwegian reindeer were similar with respect to dry matter (DM) 75 v 74%) and crude protein (CP) 74 v 70% as were the availabilities of P (72 v 76% )a and Ca (18 v 36%) in the diet. The mixture of grasses and sedges was highly digestible with respect to DM ((66,5%) but had low availabilities of Ca (12%), Mg (10%) and P (-11%). DM digestibility of the lichen C delisei was low (33%) however this lichen could constitute a good source of Ca. Moss palatability was very low (174-252 g or 9-13g/kg 0 75 intake daily). DM, CP and energy digestibilities, respectively 48, 53 and 49%, and the availabilities of P (66%) and Ca (20%) were indicative that they could add to the energy and protein intake while contributing significantly to nutrient balance of Svalbard reindeer when present in a mixed diet. , H., 0ritsland, N. A. & White, R.G. 1988 Energian ja ravintoaineiden käyttö huippu vuortenpeur alla.Yhteenveto: MAB:n asemalla Adventdalenissa Svalbardilola tehtiin ruokintakokeita viidellä huippuvuortenpeurauroksilla (Rangifer tarandus platyrhynchus Vrolik). Kokeessa käytettiin viitä eri ruokintaa, 1: pelletoitu pororehu, RF 71, 2: heinäan ja saran seosta (pääasiassa Dupentia pelligera ja Eriophorum scheuchzeri), 3: sammalta (Pleurozium schreberi), 4: Huippuvuorilla tavattavaa jäkälälajia, Cetraria delisei, 5: pororehua (RF 71), sammalta (P. schreberi) ja jäkälää (pääasiassa Cladonia alpestris ja Cladonia rangiferina). Ruokittaessa RF 71 -rehulla huippuvuortenpeuralla kuiva-aineen (DM) ja raaka proteenin (CP) sulavuudet olisivat samat kuin aikaisemmin norjalaisilla poroilla mitatut (74 ja 75%, 74 ja 70%). Fosforin ja kalsiumin saannit olivat vastaavasti 72 ja 76% ja 18 ja 36%. Heinän ja saran seos oli hyvin sulavaa. Kuiva-aineen sulavuus oli 66,5%, mutta kalsiumin, magnesiumin ja fosforin saanit oli alhainen (12, 10 ja 11%) Jäkä-län (C delisei) kuiva-aineen sulavuus oli alhainen (33%), mutta se on hyvä kalsiumin lähde. Sammalen sulavuus oli erittäin alhainen (saanti päivittäin 174-252 g eli 9-13 g/kg 0,75 ). Kuiva-aineen, raaka proteiinein ja energian sulavuudet (48, 53 ja 49%) ja fosforin (66%) ja kalsiumin (20%) saannit osoittavat kuitenkin, että sammal voi lisätä huippuvuortenpeuralla energian ja proteiinin saantia ja on siten merkittävä ravintotasapainon kannalta.Rangifer, 8 (1): 2-10

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Section: Discussionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

Digestion of energy and nutrients in Svalbard reindeer

Staaland

Øritsland

White

1988

Ran

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“…Likewise all material from the omasum, abomasum and distal colon were collected. The distal colon is the section of colon from the terminal part of the coiled colon to the anus (see Staaland et al 1979). …”

Section: Methodsmentioning

confidence: 99%

Trace elements in the alimentary tract of Svalbard reindeer

Staaland¹

1985

Ran

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RANGIFER 5 (2): 15-21 STAALAND, H. 1985. Huippuvuorten peuran ruoansulatuskanavan ilmaisijaelementeistå.Yhteenveto: Huippuvuorten peuran ruoansulatuskanavassa mitattiin talvella korkeammat Fe-ja Co-pitoisuudet kuin kesalla, kun taas Mn-ja Cu-pitoisuudet olivat samanlaisia kesålla ja talvella. Zn-pitoisuudet olivat korkeimmillaan kesållå koko ruoansulatuskanavassa, kun taas Mo-pitoisuudet olivat korkeimmat kanavan distaaliosassa. Yleinen absorptiomalli nayttaa hyvin sopivan yhteen muilla mårehtijoilla tehtyjen loydosten kanssa. Tutkimuksessa korostetaan raudan ja koboltin erityisen korkeaa tasoa. RANGIFER 5 (2): 15-21

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“…The gastrointestinal tract was laid out on the ground and sampled according to Staaland et al (1979) and Staaland & Olesen (1992). In 5 muskoxen and 5 caribou collected in the summer (August) the content of every section of the alimentary tract was weighed and representative samples taken for chemical analyses (Table 2).…”

Section: Forage Plants; Kobresia Myosuroides Salix Glaucamentioning

confidence: 99%

“…The caribou with a relatively small omasum and larger caecum could then be more adapted to a diet of higher quality with e.g. more herbs and less grass, than the muskoxen (Staaland et al, 1979;Klein & Staaland, 1984;Hofmann, 1989;Staaland & White 1991;Staaland 6 Olesen, 1992;Staaland etal, 1997). The caribou on the Angujaartorfiup Nunaa range has possibly in recent time been forced to feed more on graminoids and may have a diet more similar to the muskoxen.…”

Section: Water Consentrationsmentioning

confidence: 99%

Mineral nutrition and alimentary pools in muskoxen and caribou on the Angujaartorfiup Nunaa range in West Greenland

Staaland¹,

Olesen

1999

Ran

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Minerals (Na, K, Cl, Ca, P, Mg) and crude protein concentrations as well as total contents were measured throughout the alimentary tract of muskoxen and caribou from Angujaatorfiup Nunaa range, Søndre Strømfjord area in West Greenland. The muskoxen had significantly higher K concentrations in the caecum and proximal colon than the caribou. Caribou collected during the summer season had the highest Mg concentrations throughout the alimentary tract. In both species water, Na, K and CI concentrations decreased through the distal part of the alimentary system whereas Ca, Mg, P and crude protein concentrations increased. The muskoxen had relatively larger mineral pools and total content in the omasum than the caribou, and the caribou relatively larger mineral pools (except K and CI) and total content in the caecum. Higher concentrations of Mg in the alimentary tract of the caribou than the muskoxen during the summer could also indicate that the caribou feed more on herbs with high concentrations of Mg. The data does also indicate that both the caribou and the muskoxen are living in an area where high intakes of minerals from both vegetation and mineral licks are possible. Based on the present study the muskoxen is apparently a typical grazer whereas the caribou is more like a concentrate selector.

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Comparison of the Digestive Tract in Svalbard and Norwegian Reindeer

Cited by 47 publications

References 5 publications

Digestion of energy and nutrients in Svalbard reindeer

Digestion of energy and nutrients in Svalbard reindeer

Trace elements in the alimentary tract of Svalbard reindeer

Mineral nutrition and alimentary pools in muskoxen and caribou on the Angujaartorfiup Nunaa range in West Greenland

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