Search Results - "Lay Jr, Donald C."

Immunological, physiological, and behavioral effects of Salmonella enterica carriage and shedding in experimentally infected finishing pigs by Rostagno, Marcos H, Eicher, Susan D, Lay, Jr, Donald C

“…Finishing pigs infected with Salmonella pose significant food safety risks by carrying the pathogen into abattoirs. This study was conducted to determine the…”
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Repeated intranasal oxytocin administration in early life dysregulates the HPA axis and alters social behavior by Rault, Jean-Loup, Carter, C. Sue, Garner, Joseph P, Marchant-Forde, Jeremy N, Richert, Brian T, Lay, Donald C

“…Abstract Agonistic interactions are a powerful stressor. Conversely, positive social interactions can reduce the adverse effects of social stress. This…”
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Investigating the effects of jute nesting material and enriched piglet mats on sow welfare and piglet survival by Markland, Lucy, Johnson, Jay S, Richert, Brian T, Erasmus, Marisa A, Lay, Donald C

“…Abstract Domesticated sows are motivated to perform nesting behavior prior to farrowing, and nesting material can reduce piglet cold stress. However, nesting…”
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A behavior and physiology-based decision support tool to predict thermal comfort and stress in non-pregnant, mid-gestation, and late-gestation sows by McConn, Betty R, Schinckel, Allan P, Robbins, Lindsey, Gaskill, Brianna N, Green-Miller, Angela R, Lay, Jr, Donald C, Johnson, Jay S

“…Although thermal indices have been proposed for swine, none to our knowledge differentiate by reproductive stage or predict thermal comfort using behavioral…”
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Iron regulated genes of Salmonella enterica serovar Typhimurium in response to norepinephrine and the requirement of fepDGC for norepinephrine-enhanced growth by Bearson, Bradley L., Bearson, Shawn M.D., Uthe, Jolita J., Dowd, Scot E., Houghton, John O., Lee, InSoo, Toscano, Michael J., Lay, Donald C.

“…Catecholamines may stimulate enteric bacteria including the foodborne pathogen Salmonella enterica serovar Typhimurium ( Salmonella Typhimurium) by two…”
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Microenvironments in swine farrowing rooms: the thermal, lighting, and acoustic environments of sows and piglets by Morello, Gabriela Munhoz, Lay Jr, Donald C., Rodrigues, Luiz Henrique Antunes, Richert, Brian T., Marchant-Forde, Jeremy Neville

“…The present research hypothesized that the thermal, lighting and acoustic environments in commercial swine farrowing rooms vary over time and from crate to…”
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Rapid cooling after acute hyperthermia alters intestinal morphology and increases the systemic inflammatory response in pigs by Johnson, Jay S, Sapkota, Avi, Lay, Jr, Donald C

“…The study objective was to determine the direct effects of rapid cooling after acute hyperthermia on intestinal morphology and inflammatory response in pigs…”
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Nitrous oxide as a humane method for piglet euthanasia: Behavior and electroencephalography (EEG) by Rault, Jean-Loup, Kells, Nikki, Johnson, Craig, Dennis, Rachel, Sutherland, Mhairi, Lay, Donald C

“…Abstract The search for humane methods to euthanize piglets is critical to address public concern that current methods are not optimal. Blunt force trauma is…”
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Behavioral Response of Weaned Pigs during Gas Euthanasia with C[O.sub.2], C[O.sub.2] with Butorphanol, or Nitrous Oxide by Cavusoglu, Enver, Rault, Jean-Loup, Gates, Richard, Lay, Donald C. Jr

“…The swine industry is often forced to euthanize pigs in the first few weeks of life due to injuries, hernias, or unthriftiness. The majority of pigs are…”
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Behavioral Response of Weaned Pigs during Gas Euthanasia with CO 2 , CO 2 with Butorphanol, or Nitrous Oxide by Çavuşoğlu, Enver, Rault, Jean-Loup, Gates, Richard, Lay, Jr, Donald C

“…The swine industry is often forced to euthanize pigs in the first few weeks of life due to injuries, hernias, or unthriftiness. The majority of pigs are…”
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Preventing, treating, and predicting barbering: A fundamental role for biomarkers of oxidative stress in a mouse model of Trichotillomania by Vieira, Giovana de L T, Lossie, Amy C, Lay, Jr, Donald C, Radcliffe, John S, Garner, Joseph P

“…Barbering, where a "barber" mouse plucks hair from its cagemates or itself, is both a spontaneously occurring abnormal behavior in mice and a well validated…”
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Characterizing the postnatal hypothalamic–pituitary–adrenal axis response of in utero heat stressed pigs at 10 and 15 weeks of age by Maskal, Jacob M., Brito, Luiz F., Duttlinger, Alan W., Kpodo, Kouassi R., McConn, Betty R., Byrd, Christopher J., Richert, Brian T., Marchant, Jeremy N., Lay, Donald C., Perry, Shelbi D., Lucy, Matthew C., Safranski, Tim J., Johnson, Jay S.

“…In utero heat stress alters postnatal physiological and behavioral stress responses in pigs. However, the mechanisms underlying these alterations have not been…”
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Effect of short-term high tryptophan diet fed to sows on their subsequent piglet behavior by Lay, Donald C, Enneking, Stacey A, Anderson, Nichole C, Richert, Brian T, Sapkota, Avi

“…Abstract Housing sows in groups create the challenge of decreasing fighting amongst sows. One proposed method to do so is to feed a high tryptophan diet, but…”
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Identification of low and high frequency ranges for heart rate variability and blood pressure variability analyses using pharmacological autonomic blockade with atropine and propranolol in swine by Poletto, Rosangela, Janczak, Andrew M, Marchant-Forde, Ruth M, Marchant-Forde, Jeremy N, Matthews, Donald L, Dowell, Carol A, Hogan, Daniel F, Freeman, Lynetta J, Lay, Donald C

“…Abstract Understanding autonomic nervous system functioning, which mediates behavioral and physiological responses to stress, offers great potential for…”
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Prenatal stress puzzle, the oxytocin piece: Prenatal stress alters the behaviour and autonomic regulation in piglets, insights from oxytocin by Rault, Jean-Loup, Mack, Laurie A., Carter, C. Sue, Garner, Joseph P., Marchant, Jeremy N., Richert, Brian T., Lay, Donald C.

“…Developmental changes in response to prenatal stressors (PNS) can result in anxiety and abnormal social development in the offspring. Oxytocin (OT) reduces…”
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Comparison of Vocalization Patterns in Piglets Which Were Crushed to Those Which Underwent Human Restraint by Chapel, Nichole M, Lucas, Jeffrey R, Radcliffe, Scott, Stewart, Kara R, Lay, Jr, Donald C

“…Though many studies focused on piglet crushing utilizing piglet vocalizations to test sow response, none have verified the properties of test vocalizations…”
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Auditory brainstem responses in weaning pigs and three ages of sows by Anderson, Nichole Chapel, Thomovsky, Stephanie A, Lucas, Jeffrey R, Kushiro-Banker, Tokiko, Radcliffe, John Scott, Stewart, Kara R, Lay, Donald C., Jr

“…Piglet crushing is a devastating welfare concern on swine farms; however, some sows appear unresponsive to a piglet's call. Sow hearing ability is rarely…”
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The impact of farrowing room noise on sows’ reactivity to piglets by Chapel, Nichole M, Radcliffe, J Scott, Stewart, Kara R, Lucas, Jeffrey R, Lay, Donald C

“…Abstract Despite much interest in sow welfare, the impact of the acoustic environment on sow reactivity to her piglets is rarely considered. The objective of…”
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Does the presence of a human affect the preference of enrichment items in young, isolated pigs? by DeBoer, Shelly P., Garner, Joseph P., Lay, Donald C., Eicher, Susan D., Lucas, Jeffrey R., Marchant, Jeremy N.

“…Pigs may be housed individually in both production and research settings. Gregarious by nature, pigs kept in isolation may show behavioural and physiological…”
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Evaluation of Movement Restriction Zone Sizes in Controlling Classical Swine Fever Outbreaks by Yadav, Shankar, Olynk Widmar, Nicole, Lay, Jr, Donald C, Croney, Candace, Weng, Hsin-Yi

“…The objective of this study was to compare the impacts of movement restriction zone sizes of 3, 5, 9, and 11 km with that of 7 km (the recommended zone size in…”
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