Search Results - "Malmkvist, Jens"

Exploratory behaviour towards novel objects is associated with enhanced learning in young horses by Christensen, Janne Winther, Ahrendt, Line Peerstrup, Malmkvist, Jens, Nicol, Christine

“…The mechanisms underlying individual variation in learning are key to understanding the development of cognitive abilities. In humans and primates, curiosity…”
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Exploration of the hypothalamic–pituitary–adrenal function as a tool to evaluate animal welfare by Mormède, Pierre, Andanson, Stéphane, Aupérin, Benoit, Beerda, Bonne, Guémené, Daniel, Malmkvist, Jens, Manteca, Xavier, Manteuffel, Gerhard, Prunet, Patrick, van Reenen, Cornelis G, Richard, Sabine, Veissier, Isabelle

“…Abstract Measuring HPA axis activity is the standard approach to the study of stress and welfare in farm animals. Although the reference technique is the use…”
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Piglets' acute responses to procaine-based local anesthetic injection and surgical castration: Effects of two volumes of anesthetic by Coutant, Mathilde, Malmkvist, Jens, Kaiser, Marianne, Foldager, Leslie, Herskin, Mette S

“…Surgical castration of piglets is painful, but practiced routinely in commercial pig production. Procaine-based local anesthetics are used to mitigate piglet…”
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Piglets' acute responses to local anesthetic injection and surgical castration: Effects of the injection method and interval between injection and castration by Coutant, Mathilde, Malmkvist, Jens, Kaiser, Marianne, Foldager, Leslie, Herskin, Mette S.

“…Although applied in some countries, efficacy of local anesthetics based on procaine to mitigate acute responses to piglet castration remains questioned. This…”
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Early recognition of offspring vocalisation by mink mothers by Malmkvist, Jens

“…•Mink dams’ response to playbacks of kit calls were tested day 2 postpartum.•Mink dams approach and explore the sound source away from their nest during…”
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Barren housing and negative handling decrease the exploratory approach in farmed mink by Bak, Anne Sandgrav, Malmkvist, Jens

“…•Mink (n = 600) in barren or enriched cages were exposed to different acute events.•Enriched mink were more exploratory in a voluntary approach-avoidance…”
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Development and consistency of fearfulness in horses from foal to adult by Christensen, Janne Winther, Beblein, Carina, Malmkvist, Jens

“…•We investigated the development and consistency of fear responses in horses.•Twenty-five warmblood stallions were tested at 5 months, 1 year and at 3.5…”
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Maternal nest building and choice of nest site are temperature dependent in mink: Parent-offspring temperature conflict? by Schou, Toke Munk, Malmkvist, Jens

“…•Female mink build more advanced maternal nests in cold nest boxes.•Dams prefer to place their litters and stay longer in cold nest sites.•Offspring in heated…”
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Early transfer of mated females into the maternity unit reduces stress and increases maternal care in farm mink by Malmkvist, Jens, Palme, Rupert

“…•Mink dams (n=180) were transferred prenatal Day −36, −18 or −3 to a maternity unit.•Mated mink dams may build and maintain a nest at least 1 month prior to…”
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Relocation shortly after mating does not have a major impact on stress responses and reproduction in female farm mink by Schou, Toke Munk, Palme, Rupert, Malmkvist, Jens

“…•Mink dam cortisol concentrations increased significantly as the time of birth approached.•The regular relocation and capturing did not elicit a distinct…”
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Prolonged nest building increase the reproductive outcome in American female mink by Schou, Toke Munk, Palme, Rupert, Malmkvist, Jens

“…•Mink females are motivated for non-maternal nest building during winter/spring.•Provision of nesting material only on the wired nest box lid limits nest…”
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Animals with various forms of abnormal behaviour differ in learning performance and use of enrichment: Evidence from farm mink by Malmkvist, Jens, Díez-León, María, Christensen, Janne Winther

“…Abnormal behaviour has been related to differences in cognitive function and reduced animal welfare. However, these associations are understudied, and little…”
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Animal welfare measured at mink farms in Europe by Henriksen, Britt I.F., Møller, Steen H., Malmkvist, Jens

“…Although the welfare of farm mink has been debated for decades, the status at mink farms has not previously been reported. Likewise, little is known about the…”
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Relationship among indicators of pain and stress in response to piglet surgical castration: an exploratory analysis by Coutant, Mathilde, Malmkvist, Jens, Foldager, Leslie, Herskin, Mette S.

“…Multi-dimensional approaches are suggested as advantageous for evaluation of pain and/or stress at piglet castration, but the interpretation of data from such…”
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Sows and piglets adjust their use of an outdoor paddock with season and piglet age during the first weeks of life in an organic farm by Jahoui, Anissa, Malmkvist, Jens, Pedersen, Lene Juul, Lieubeau, Blandine, Hervé, Julie, Tallet, Céline

“…Few studies have examined sows and piglets' use of outdoor access during their first weeks of life, when reared with access to a hut and a pasture as in the…”
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Test of temperament in mink is influenced by a shelf in the front of the cage and the stimulus size rather than by features of the test person by Henriksen, Britt I.F., Møller, Steen H., Malmkvist, Jens

“…•We studied the effect of different test conditions on the temperament of mink.•A shelf in the front part of the cage increases the minks’ exploratory…”
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Administration of procaine-based local anaesthetic prior to surgical castration influences post-operative behaviours of piglets by Coutant, Mathilde, Malmkvist, Jens, Tallet, Céline, Williams, Catherine J.A., Kaiser, Marianne, Foldager, Leslie, Herskin, Mette S.

“…In an effort to mitigate piglet acute responses to surgical castration, the procedure can be preceded by injections of a local anaesthetic. Regardless of…”
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Selection for temperament has no negative consequences on important production traits in farmed mink 1 by Thirstrup, Janne P, Villumsen, Trine M, Malmkvist, Jens, Lund, Mogens S

“…Danish and European legislation recommend mink breeding programs that include selection for "confidence," defined as exploratory activity in a standardized…”
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Selection for temperament has no negative consequences on important production traits in farmed mink1 by Thirstrup, Janne P, Villumsen, Trine M, Malmkvist, Jens, Lund, Mogens S

“…Abstract Danish and European legislation recommend mink breeding programs that include selection for “confidence,” defined as exploratory activity in a…”
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Maternal temperament modulates curiosity and cortisol responses in farmed mink by Malmkvist, Jens, Hansen, Steffen W., Damgaard, Birthe M., Christensen, Janne W.

“…Early life events can shape the development of individual behavior and stress sensitivity. This study explored whether the temperament of the mother modulates…”
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