Search Results - "M. Lechner-Doll"

The Maximum Attainable Body Size of Herbivorous Mammals: Morphophysiological Constraints on Foregut, and Adaptations of Hindgut Fermenters by Clauss, M., Frey, R., Kiefer, B., M. Lechner-Doll, W. Loehlein, C. Polster, G. E. Rössner, Streich, W. J.

“…An oft-cited nutritional advantage of large body size is that larger animals have lower relative energy requirements and that, due to their increased…”
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Differences in Selective Reticulo-Ruminal Particle Retention as a Key Factor in Ruminant Diversification by Clauss, Marcus, Lechner-Doll, Matthias

“…The measurement of passage rate is important for the concept of ruminant diversification. While supporters of Hofmann's 1989 feeding type classification claim…”
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Faecal Particle Size Distribution in Captive Wild Ruminants: An Approach to the Browser/Grazer Dichotomy from the Other End by Clauss, Marcus, Lechner-Doll, Matthias, Streich, W. Juergen

“…We investigated the particle size distribution in 245 faecal samples of 81 species of captive ruminants by a wet-sieving procedure. As a comparative measure,…”
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Noninvasive Monitoring of Adrenocortical Activity in Roe Deer (Capreolus capreolus) by Measurement of Fecal Cortisol Metabolites by Dehnhard, M., Clauss, M., Lechner-Doll, M., Meyer, H.H.D., Palme, R.

“…A method for measuring glucocorticoids noninvasively in feces of roe deer was established and validated. The enzyme immunoassay (EIA) measures…”
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Feed intake, forestomach fluid volume, dilution rate and mean retention of fluid in the forestomach during water deprivation and rehydration in camels ( Camelus sp.) by von Engelhardt, W., Haarmeyer, P., Lechner-Doll, M.

“…Camels were deprived of water for 11 days. Before and during water deprivation and during rehydration changes in body weight, feed and water intake were…”
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Absorption of short-chain fatty acids, sodium and water from the forestomach of camels by von Engelhardt, W, Dycker, Ch, Lechner-Doll, M

“…In camelids the ventral parts of compartments 1 and 2 (C1/C2) and the total surface of compartment 3 of the forestomach are lined with tubular glands, whereas…”
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Abundance of intestinal Na+/glucose cotransporter (SGLT1) in roe deer (Capreolus capreolus) by Rowell-Schäfer, By A., Dyer, J., Hofmann, R. R., Lechner-Doll, M., Meyer, H. H. D., Shirazi-Beechey, S. P., Streich, W. J.

“…Introduction  Based on morphological and physiological differences in their digestive systems H ofmann and S tewart (1972) classified ruminants into three…”
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Chewing activities and oesophageal motility during feed intake, rumination and eructation in camels by Engelhardt, W. von, Haarmeyer, P, Kaske, M, Lechner-Doll, M

“…It was the aim of this study to characterize rumination behaviour, eructation and oesophageal motility in camels to identify similarities and differences…”
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Use of artificially applied n-alkanes as markers for the estimation of digestibility, food selection and intake in pigeons ( Columba livia) by Hatt, J.-M, Mayes, R.W, Clauss, M, Lechner-Doll, M

“…The experiment was conducted to determine the accuracy with which food selection, intake, and apparent digestibility of protein could be estimated with…”
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Metabolic evidence of a ‘rumen bypass’ or a ‘ruminal escape’ of nutrients in roe deer ( Capreolus capreolus) by Rowell-Schäfer, A, Lechner-Doll, M, Hofmann, R.R, Streich, W.J, Güven, B, Meyer, H.H.D

“…As short chain fatty acids produced in the forestomach are insufficient to satisfy the energy requirements of the concentrate selecting roe deer ( Capreolus…”
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Ruminant Diversification as an Adaptation to the Physicomechanical Characteristics of Forage. A Reevaluation of an Old Debate and a New Hypothesis by Clauss, Marcus, Lechner-Doll, Matthias, Streich, W. Jürgen

“…The validity of Hofmann's classification of ruminants into browsers/"concentrate selectors", intermediate feeders and grazers/"grass and roughage eaters" and…”
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Concentrations of volatile fatty acids and acetate production rates in the forestomachs of grazing camels by Höller, H, Breves, G, Lechner-Doll, M, Schulze, E

“…1. Concentration profiles of volatile fatty acids (VFA), fluid volumes and turnover rates, and acetate production rates were measured in two different seasons…”
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Captive roe deer ( Capreolus capreolus) select for low amounts of tannic acid but not quebracho: fluctuation of preferences and potential benefits by Clauss, Marcus, Lason, Karin, Gehrke, Janin, Lechner-Doll, Matthias, Fickel, Jörns, Grune, Tilman, Jürgen Streich, W

“…Browsing ruminants have been shown to tolerate a certain amount of tannins in their natural diet, and preference trials with captive roe deer ( Capreolus…”
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Circadian changes of forestomach motility and of rumination in camels by Kaske, M, Osman, T, Lechner-Doll, M, Larsson, M, Engelhardt, W.v

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Profils et taux de renouvellement en minéraux dans le pré-estomac de dromadaires pâturant en diverses saisons au Kenya by Höller, H., Breves, G., Lechner Doll, M.

“…Les volumes et les taux de renouvellement du liquide des pré-estomacs ont été mesurés sur quatre dromadaires adultes fistulés entretenus sur pâturage dans les…”
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Influence of papillae on post-ruminal regulation of ingesta passage in moose (Alces alces L.) by Nygrén, Kaarlo F. A., Lechner-Doll, Matthias, Hofmann, Reinhold R.

“…The variable keratin appendages of the forestomach epithelium on both sides of the reticulo-omasal orifice, emerging in early summer and disappearing towards…”
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Comparative use of four different marker systems for the estimation of digestibility and low food intake in a group of captive giraffes (Giraffa camelopardalis) by Clauss, Marcus, Lechner-Doll, Matthias, Flach, Edmund J., Tack, Cliff, Hatt, Jean-Michel

“…In a feeding trial with four captive giraffes, nutrient digestibility was determined using four different marker systems. Although…”
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Activity of cellulolytic enzymes in the contents of reticulorumen and caecocolon of roe deer ( Capreolus capreolus) by Deutsch, Anke, Lechner-Doll, Matthias, Wolf, Gerhard A.

“…Selective ruminants, which prefer easily digestible plants, cannot digest fibrous forage as well as grass eaters. Low enzyme activity or short retention time…”
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The use of dosed and herbage n-alkanes as markers for the determination of digestive strategies of captive giraffes (Giraffa camelopardalis) by Hatt, J.M. (University of Zurich, Switzerland.), Lechner-Doll, M, Mayes, B

“…Selected aspects of digestion in captive giraffes were investigated in two trials with a type of marker that is new for digestive studies in non‐domestic…”
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Mineral profiles and mineral turnover in the forestomachs of camels in Kenya grazing under various seasonal conditions by Holler, H. (Institute of Physiology, Hannover (Allemagne). School of Veterinary Medicine), Breves, G, Lechner Doll, M

“…Les volumes et les taux de renouvellement du liquide des pre-estomacs ont ete mesures sur quatre dromadaires adultes fistules entretenus sur paturage dans les…”
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