Search Results - "Illius, Andrew W"

Epidemiology and control of maedi-visna virus: Curing the flock by Illius, Andrew W, Lievaart-Peterson, Karianne, McNeilly, Tom N, Savill, Nicholas J, Okell, Lucy C

“…Maedi-visna (MV) is a complex lentiviral disease syndrome characterised by long immunological and clinical latencies and chronic progressive inflammatory…”
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Spatial and temporal variability modify density dependence in populations of large herbivores by Wang, Guiming, Hobbs, N. Thompson, Boone, Randall B., Illius, Andrew W., Gordon, Iain J., Gross, John E., Hamlin, Kenneth L.

“…A central challenge in ecology is to understand the interplay of internal and external controls on the growth of populations. We examined the effects of…”
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Maternal transmission of Small Ruminant Lentivirus has no epidemiological importance by Illius, Andrew W., Savill, Nicholas J.

“…The relative importance of maternal and horizontal transmission of small ruminant lentivirus (SRLV), the causative organism in maedi-visna, is poorly…”
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Strategies for global rangeland stewardship: Assessment through the lens of the equilibrium–non‐equilibrium debate by Briske, David D., Coppock, D. Layne, Illius, Andrew W., Fuhlendorf, Samuel D., Niu, Kechang

“…This Review assesses the adequacy of current stewardship strategies to address the accelerating challenges confronting global rangeland systems. The assessment…”
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A Theory of Associating Food Types with Their Postingestive Consequences by Yearsley, Jonathan M., Villalba, Juan J., Gordon, Iain J., Kyriazakis, Ilias, Speakman, John R., Tolkamp, Bert J., Illius, Andrew W., Duncan, Alan J.

“…Animals often face complex and changing food environments. While such environments are challenging, an animal should make an association between a food type…”
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The functional significance of the browser-grazer dichotomy in African ruminants by Gordon, I.J. (Macaulay Land Use Research Inst. Craigiebuckler, Aberdeen (United Kingdom)), Illius, A.W

“…The allometric relationships for the fermentation rate of dry matter, the total energy concentration of volatile fatty acids (VFAs), the energy supplied from…”
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Megaherbivores Influence Trophic Guilds Structure in African Ungulate Communities by Fritz, Hervé, Duncan, Patrick, Gordon, Iain J., Illius, Andrew W.

“…We used a data set of ungulate censuses from 31 natural ecosystems from East and Southern Africa to test two hypotheses: (1) megaherbivores should dominate…”
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Density dependence in northern ungulates: interactions with predation and resources by Wang, Guiming, Hobbs, N. Thompson, Twombly, Saran, Boone, Randall B, Illius, Andrew W, Gordon, Iain J, Gross, John E

“…Variation in the abundance of animals has traditionally been explained as the outcome of endogenous forcing from density dependence and exogenous forcing…”
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Associations between basal metabolic rate and reproductive performance in C57BL/6J mice by Johnston, Sarah L, Souter, Donna M, Erwin, Susan S, Tolkamp, Bert J, Yearsley, Jonathan M, Gordon, Iain J, Illius, Andrew W, Kyriazakis, Ilias, Speakman, John R

“…Basal metabolic rate (BMR) is highly variable, both between and within species. One hypothesis is that this variation may be linked to the capacity for…”
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Intake Compensates for Resting Metabolic Rate Variation in Female C57BL/6J Mice Fed High-fat Diets by Johnston, Sarah L, Souter, Donna M, Tolkamp, Bert J, Gordon, Iain J, Illius, Andrew W, Kyriazakis, Ilias, Speakman, John R

“…OBJECTIVE: The literature is divided over whether variation in resting metabolic rate (RMR) is related to subsequent obesity. We set out to see whether the…”
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Mechanisms of Functional Response and Resource Exploitation in Browsing Roe Deer by Illius, Andrew W., Duncan, Patrick, Richard, Caroline, Mesochina, Pascal

“…1. The functional responses of roe deer were examined using 11 plant species. A technique to discriminate between encounter- and handling-limited processes was…”
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Elephants, ecology, and nonequilibrium? by Illius, Andrew W

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Predicting the effects of body fatness on food intake and performance of sheep by Tolkamp, Bert J., Yearsley, Jonathan M., Gordon, Iain J., Illius, Andrew W., Speakman, John R., Kyriazakis, Ilias

“…Adipose tissue produces signals that can have a profound effect on many physiological functions, including energy expenditure and food intake. The hypothesis…”
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Grazing and "Degradation" [with Response] by Hambler, Clive, Canney, Susan M., Coe, Malcolm J., Henderson, Peter A., Illius, Andrew W., Gillson, Lindsey, Hoffman, M. T.

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Bush Selection along Foraging Pathways by Sympatric Impala and Greater Kudu by de Garine-Wichatitsky, Michel, Fritz, Hervé, Gordon, Iain J., Illius, Andrew W.

“…In order to identify the selection mechanism of two sympatric African browsers, we analysed encounter rates and selection of bushes along foraging pathways. We…”
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A life history model of somatic damage associated with resource acquisition: damage protection or prevention? by Yearsley, Jonathan M., Kyriazakis, Ilias, Gordon, Iain J., Johnston, Sarah L., Speakman, John R., Tolkamp, Bert J., Illius, Andrew W.

“…A resource acquisition–allocation model is developed to examine the trade-off between reproduction and somatic protection. Unlike previous studies, resource…”
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Phylogenetic analysis of stomach adaptation in digestive strategies in African ruminants by Pérez-Barbería, Javier F, Gordon, Iain J, Illius, Andrew W

“…The stomach morphology of 28 species of artiodactyls that differ in feeding style (browser, mixed feeder, grazer) was analysed using a multivariate approach…”
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Theoretical developments in the study and prediction of food intake by Yearsley, Jonathan, Tolkamp, Bert J., Illius, Andrew W.

“…The purpose of the present paper is to review recent theoretical developments in food intake modelling applied to animal science and ecology. The models are…”
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Elephants, Ecology, and Nonequilibrium? by Hambler, Clive, Henderson, Peter A., Speight, Martin R., Illius, Andrew W., Gillson, Lindsey, Lindsay, Keith, Bulte, Erwin H., Damiana, Richard

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The Nutritional Ecology of African Ruminants: A Reinterpretation by Gordon, Iain J., Illius, Andrew W.

“…1. Two contrasting explanations of niche separation in ruminants emphasize the importance of body mass-related trends in energy requirements and…”
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