Invited review: piglet mortality: management solutions von Kirkden, R D, Broom, D M, Andersen, I L

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A theoretical comparison of the consumer surplus and the elasticities of demand as measures of motivational strength von Kirkden, R.D, Edwards, J.S.S, Broom, D.M

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Piglet mortality: The impact of induction of farrowing using prostaglandins and oxytocin von Kirkden, R.D., Broom, D.M., Andersen, I.L.

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INVITED REVIEW: Piglet mortality: Management solutions1 von Kirkden, R. D., Broom, D. M., Andersen, I. L.

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An empirical investigation of two assumptions of motivation testing in captive starlings ( Sturnus vulgaris): Do animals have an energy budget to ‘spend’? and does cost reduce dema... von Asher, Lucy, Kirkden, Richard D., Bateson, Melissa

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Effects of domestication on filial motivation and imprinting in chicks: comparison of red junglefowl and White Leghorns von Kirkden, Richard D., Lindqvist, Christina, Jensen, Per

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Rats show aversion to argon-induced hypoxia von Makowska, I. Joanna, Niel, Lee, Kirkden, Richard D., Weary, Daniel M.

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The validity of using an approach-avoidance test to measure the strength of aversion to carbon dioxide in rats von Kirkden, Richard D., Niel, Lee, Lee, Gary, Makowska, I. Joanna, Pfaffinger, Marianne J., Weary, Daniel M.

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The nature and strength of social motivations in young farmed silver fox vixens ( Vulpes vulpes) von Hovland, Anne Lene, Mason, Georgia J., Kirkden, Richard D., Bakken, Morten

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Effects of novelty on rats' responses to CO@d2 exposure von Niel, L, Kirkden, R D, Weary, D M

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Aversion to carbon dioxide von Kirkden, Richard D, Niel, Lee, Weary, Daniel M

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Contiguity and overshadowing interactions in the rapid-streaming procedure von Alcalá, José A., Miller, Ralph R., Kirkden, Richard D., Urcelay, Gonzalo P.

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Differing results for motivation tests and measures of resource use: The value of environmental enrichment to gestating sows housed in stalls von Elmore, Monica R.P., Garner, Joseph P., Johnson, Anna K., Kirkden, Richard D., Patterson-Kane, Emily G., Richert, Brian T., Pajor, Edmond A.

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