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All Categories (1-16 of 16)

  1. Assessing feeding motivation in sheep using different behavioural demand models and measures

    Contributor(s):: Doughty, Amanda K., Ferguson, Drewe, Matthews, Lindsay R., Hinch, Geoff N.

    Motivation tests have been used to assess the strength of an animals drive to obtain specific resources and, indirectly to gain insight into the animal’s welfare state as it is likely that chronic high motivation for unobtainable resources leads to diminished welfare. A variety of measures have...

  2. A Perfect Human-Animal Bond Storm

    03 Jul 2017 | Posted by Myrna Milani

    Nothing is more sad than the death of an illusion. Arthur Koestler While many items appear on my list of enjoyable activities, reading mysteries remains a life-long favorite. This ongoing...

  3. Animal Collective

    Contributor(s):: Matt Wettengel, Tam Vo, Kait McKinney, Yue Wu

    Pets are a staple of the American family, but their place in the lives of college students is a little hazy. Whether someone is walking a puppy down the street or someone is flaunting pictures of an adorable new chinchilla, pets are the ultimate source of entertainment. Aside from their...

  4. The role of quality labels in market-driven animal welfare

    Contributor(s):: Heerwagen, L. R., Morkbak, M. R., Denver, S., Sandoe, P., Christensen, T.

    In policy-making the consumption of specially labelled products, and its role in improving the welfare of livestock, has attracted considerable attention. There is in many countries a diverse market for animal welfare-friendly products which is potentially confusing and may lack transparency. We...

  5. Food security: one of a number of 'securities' we need for a full life: an Australian perspective

    Contributor(s):: Farmar-Bowers, Q.

    Although agriculture in Australia is very productive, the current food supply systems in Australia fail to deliver healthy diets to all Australians and fail to protect the natural resources on which they depend. The operation of the food systems creates 'collateral damage' to the natural...

  6. 'Bling with bite' - the rise of status and weapon dogs

    Contributor(s):: Harding, S.

  7. Does the world need U.S. farmers even if Americans don't?

    Contributor(s):: Hendrickson, M. K., James, H. S., Jr., Heffernan, W. D.

    We consider the implications of trends in the number of U.S. farmers and food imports on the question of what role U.S. farmers have in an increasingly global agrifood system. Our discussion stems from the argument some scholars have made that American consumers can import their food more cheaply...

  8. Ethical issues related to food sector evolution in developing countries: about sustainability and equity. (Special issue: Food safety, food quality and food ethics. Selected papers from the 3rd Congress of the European Society for Agricultural and Fo

    Contributor(s):: Raoult-Wack, A. L., Bricas, N.

    After a century of major technical advance, essentially achieved by and for the industrialized countries, the evolution of the food sector in southern countries should no longer be thought of in terms of a "headlong pursuit." In the present context of demographic growth, urbanization, poverty and...

  9. Ethological farm programs and the "market" for animal welfare

    Contributor(s):: Mann, S.

    Ethological farm programmes as they exist in Switzerland (namely, programmes paying farmers for controlled pasturage or for keeping animals in animal-friendly housing) are compared with environmental farm programmes in respect of demand and supply. Because animal welfare is not a public good but...

  10. Measuring motivation: using the cross point of two demand functions as an assessment of the substitutability of two reinforcers

    Contributor(s):: Sorensen, D. B., Ladewig, J., Matthews, L., Ersboll, A. K., Lawson, L.

    Behavioural demand functions are recognized as a way to assess the strength of animal motivation quantitatively. The purpose of the present experiment was to develop a method to evaluate the substitutability of two reinforcers by use of the degree of diversion of the cross point of two demand...

  11. Response to the environmental and welfare imperatives by U.K. livestock production industries and research services

    Contributor(s):: Whittemore, C. T.

    Production methods for food from UK livestock industries (milk, dairy products, meat, eggs) are undergoing substantial change as a result of the need to respond to environmental and animal welfare awareness of purchasing customers, and to espouse the principles of environmental protection. There...

  12. Prior deprivation and reward duration affect the demand function for rest in dairy heifers

    Contributor(s):: Jensen, M. B., Munksgaard, L., Pedersen, L. J., Ladewig, J., Matthews, L.

    Demand functions were used in an attempt to estimate the importance of resting in cattle. Furthermore, the sensitivity of the technique was determined by quantifying the effects of variations in the level of prior deprivation (Experiment 1) and reward duration (Experiment 2) on elasticity and...

  13. The effect of reward duration on demand functions for rest in dairy heifers and lying requirements as measured by demand functions

    Contributor(s):: Jensen, M. B., Pedersen, L. J., Munksgaard, L.

    The present experiment investigated the effect of reward duration on elasticity of the demand function for rest, and assessed for how long dairy heifers are motivated to lie on a 24-h basis. In Part 1, eight heifers housed in tether stalls had free access to lie down for 9 h daily, while they...

  14. Elasticity of demand for food and sand in laying hens subjected to variable wind speed

    Contributor(s):: Faure, J. M., Lagadic, H.

    A problem associated with the application of consumer demand theory to operant conditioning experiments is that the task set may be impossible to perform. One solution to this problem is to use an unpleasant stimulus of varying magnitude as the cost rather than work (operant task). In this...

  15. Consumer demand under commercial husbandry conditions: practical advice on measuring behavioural priorities in captive animals

    Contributor(s):: Cooper, J. J.

    In recent years, consumer demand studies are used to objectively quantify the value of captive animals placed on environmental resources. Considerable progress is made in the development of effective methodologies to assess what resources are valued under controlled experimental conditions, but...

  16. The use of demand functions to assess behavioural priorities in farm animals

    Contributor(s):: Jensen, M. B., Pedersen, L. J., Ladewig, J.

    The use of demand functions to identify the behaviours most important to animals is advocated widely. The principle is to place increasing cost on the opportunity to perform several behaviours and subsequently to rank these behaviours according to the change in their performance as a function of...