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  1. 1980 Nebraska Swine Report

    Contributor(s):: Roger W. Mandigo, Louise M. Dalton, Dennis G. Olson, Clayton L. Kelling, Roy Carlson, E.R. Peo Jr., T.J. Janssen, F. Caporaso, Donald G. Levis, Michael Brumm, David P. Shelton, D.M. Danielson, William Ahlschwede, Robert M. Timm, Bobby D. Moser, Elbert C. Dickey, Gerald Bodman, Austin Lewis

    This 1980 Nebraska Swine Report was prepared by the staff in Animal Science and cooperating departments for use in the Extension and Teaching programs at the University of Nebraska-Lincoln. Authors from the following areas contributed to this publication: Swine Nutrition, swine diseases,...

  2. A case control study of on-farm risk factors for tail biting in pigs

    Contributor(s):: Moinard, C., Mendl, M., Nicol, C. J., Green, L. E.

  3. The effect of restricting pen space and feeder availability on the behaviour and growth performance of entire male growing pigs in a deep-litter, large group housing system

    Contributor(s):: Morrison, R. S., Hemsworth, P. H., Cronin, G. M., Campbell, R. G.

    Recent research has shown that pigs housed in large groups on deep-litter have longer feeding events with less disruption from other pigs compared to pigs maintained in conventional housing systems. It has been speculated that this change in feeding behaviour is associated with increased fat...

  4. The effects of acute simultaneous exposure to ammonia on the detection of buried odourized food by pigs

    Contributor(s):: Jones, J. B., Carmichael, N. L., Wathes, C. M., White, R. P., Jones, R. B.

    The relative consumption of a range of 15 odourized visible foods by 8 Duroc x Landrace pigs was examined over 15 days in Experiment 1. The most and least preferred food types were identified for later use in olfactory perception tasks in Experiments 2 and 3. Five of these odourized foods are...

  5. The effect of sire line on the feeding patterns of grow-finish pigs

    Contributor(s):: Augspurger, N. R., Ellis, M., Hamilton, D. N., Wolter, B. F., Beverly, J. L., Wilson, E. R.

    Forty-eight growing-finishing pigs were used in a split-plot design with a 2x2 factorial arrangement of treatments to investigate the effect of sire line and sex (castrates and gilts) on feeding patterns. Sire line A was of Pietrain ancestry and sire line B was a synthetic line that included...

  6. A test of sows' willingness to nurse

    Contributor(s):: Thodberg, K., Jensen, K. H.

    The aim of the study was to validate a test for willingness of sows to nurse to find a test situation in which maximum variation in the nursing motivation of sows was displayed. The factors considered were the interval since last successful nursing, level of hunger of the sow and activity of the...

  7. Effects of levels and sources of dietary fermentable non-starch polysaccharides on blood glucose stability and behaviour of group-housed pregnant gilts

    Contributor(s):: Leeuw, J. A. de, Zonderland, J. J., Altena, H., Spoolder, H. A. M., Jongbloed, A. W., Verstegen, M. W. A.

    A fermentable non-starch polysaccharides (fNSP)-rich diet (sugarbeet pulp; SBP) was previously shown to reduce within-day variation in blood glucose levels and reduce stereotyped behaviour. The aim of the present experiment was to study (1) whether there is a relationship between fNSP level in a...

  8. The strength of pigs' preferences for different rooting materials measured using concurrent schedules of reinforcement

    Contributor(s):: Pedersen, L. J., Holm, L., Jensen, M. B., Jorgensen, E.

    The aim of the present experiment was to measure pigs' preferences for four different rooting materials using a set-up where pigs were given the opportunity to consider the relative attractiveness of two different materials simultaneously. Ten pigs had access to work for 50 min daily in an...

  9. A complex automatic feeding system for pigs aimed to induce successful behavioural coping by cognitive adaptation

    Contributor(s):: Ernst, K., Puppe, B., Schon, P. C., Manteuffel, G.

    In modern intensive husbandry systems there is an increasing tendency for animals to interact with technical equipment. If the animal-technology interface is well-designed this may improve animal welfare by offering challenges for cognitive adaptation. Here a system and its application is...