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Articles 1 - 18 of 18
Full-Text Articles in Medicine and Health Sciences
The Moral Status Of Invasive Animal Research, Bernard E. Rollin
The Moral Status Of Invasive Animal Research, Bernard E. Rollin
Experimentation Collection
No abstract provided.
Immune Responses In Lactating Holstein Cows Supplemented With Cu, Mn, And Zn As Sulfates Or Methionine Hydroxy Analogue Chelates, L. M. Nemec, J. D. Richards, C. A. Atwell, D. E. Diaz, G. I. Zanton, T. F. Gressley
Immune Responses In Lactating Holstein Cows Supplemented With Cu, Mn, And Zn As Sulfates Or Methionine Hydroxy Analogue Chelates, L. M. Nemec, J. D. Richards, C. A. Atwell, D. E. Diaz, G. I. Zanton, T. F. Gressley
Physiology Collection
The aim of this study was to compare effects of inorganic sulfate versus chelated forms of supplemental Cu, Mn, and Zn on milk production, plasma and milk mineral concentrations, neutrophil activity, and antibody titer response to a model vaccination. Holstein cows (n = 25) were assigned in 2 cohorts based on calving date to a 12-wk randomized complete block design study. The first cohort consisted of 17 cows that had greater days in milk (DIM; mean of 77 DIM at the start of the trial) than the second cohort of 8 cows (32 DIM at the start of the trial). …
The Use Of Biomarkers Of Toxicity For Integrating In Vitro Hazard Estimates Into Risk Assessment For Humans, Bas Blaauboer, Kim Boekelheide, Harvey Clewell, Mardas Daneshian, Milou M.L. Dingemans, Alan M. Goldberg, Marjoke Heneweer, Joanna Jaworska, Nynke I. Kramer, Marcel Leist, Hasso Seibert, Emanuela Testai, Rob J. Vandebriel, James D. Yager, Joanne Zurlo
The Use Of Biomarkers Of Toxicity For Integrating In Vitro Hazard Estimates Into Risk Assessment For Humans, Bas Blaauboer, Kim Boekelheide, Harvey Clewell, Mardas Daneshian, Milou M.L. Dingemans, Alan M. Goldberg, Marjoke Heneweer, Joanna Jaworska, Nynke I. Kramer, Marcel Leist, Hasso Seibert, Emanuela Testai, Rob J. Vandebriel, James D. Yager, Joanne Zurlo
in Vitro Research Models Collection
The role that in vitro systems can play in toxicological risk assessment is determined by the appropriateness of the chosen methods, with respect to the way in which in vitro data can be extrapolated to the in vivo situation. This report presents the results of a workshop aimed at better defining the use of in vitro-derived biomarkers of toxicity (BoT) and determining the place these data can have in human risk assessment. As a result, a conceptual framework is presented for the incorporation of in vitro-derived toxicity data into the risk assessment process. The selection of BoT takes into account …
The Effect Of Neutering On The Risk Of Urinary Incontinence In Bitches – A Systematic Review, W. Beauvais, J. M. Cardwell, D. C. Brodbelt
The Effect Of Neutering On The Risk Of Urinary Incontinence In Bitches – A Systematic Review, W. Beauvais, J. M. Cardwell, D. C. Brodbelt
Endocrinology Collection
An increased risk of urinary incontinence in bitches has often been associated with previous ovariohysterectomy but remains controversial. The objective of this study was to evaluate the strength of evidence for an association between neutering or age at neutering and urinary incontinence in bitches and to estimate the magnitude of any effect found. A systematic review of peer‐reviewed original English analytic journal articles was conducted, based on Cochrane guidelines (Higgins and Green 2009) Of 1,853 records screened, seven studies were identified that examined the effect of neutering or age at neutering on the risk of urinary incontinence but …
Alternative Approaches For Medical Countermeasures To Biological And Chemical Terrorism And Warfare, Thomas Hartung, Joanne Zurlo
Alternative Approaches For Medical Countermeasures To Biological And Chemical Terrorism And Warfare, Thomas Hartung, Joanne Zurlo
Biomedical Research and Alternative Methods Collection
The desire to develop and evaluate drugs as potential countermeasures for biological and chemical threats requires test systems that can also substitute for the clinical trials normally crucial for drug development. Animal models have limited predictivity for drug efficacy, as is well known from many disappointments in clinical trials. Traditional in vitro and in silico approaches are not really game changers here, but the substantial investment into novel tools now underway might bring about a second generation of alternative approaches. The avenue pursued focuses primarily on the development of a Human on a Chip, i.e., the combination of different three-dimensional …
Bias During The Evaluation Of Animal Studies, Andrew Knight
Bias During The Evaluation Of Animal Studies, Andrew Knight
Morality and Ethics of Animal Experimentation Collection
My recent book entitled The Costs and Benefits of Animal Experiments seeks to answer a key question within animal ethics, namely: is animal experimentation ethically justifiable? Or, more precisely, is it justifiable within the utilitarian cost:benefit framework that fundamentally underpins most regulations governing animal experimentation? To answer this question I reviewed more than 500 scientific publications describing animal studies, animal welfare impacts, and alternative research, toxicity testing and educational methodologies. To minimise bias I focused primarily on large-scale systematic reviews that had examined the human clinical and toxicological utility of animal studies. Despite this, Dr. Susanne Prankel recently reviewed my …
Accelerating The Development Of 21st-Century Toxicology: Outcome Of A Human Toxicology Project Consortium Workshop, Martin L. Stephens, Craig Barrow, Melvin E. Andersen, Kim Boekelheide, Paul L. Carmichael, Michael P. Holsapple, Mark Lafranconi
Accelerating The Development Of 21st-Century Toxicology: Outcome Of A Human Toxicology Project Consortium Workshop, Martin L. Stephens, Craig Barrow, Melvin E. Andersen, Kim Boekelheide, Paul L. Carmichael, Michael P. Holsapple, Mark Lafranconi
in Vitro Research Models Collection
The U.S. National Research Council (NRC) report on “Toxicity Testing in the 21st century” calls for a fundamental shift in the way that chemicals are tested for human health effects and evaluated in risk assessments. The new approach would move toward in vitro methods, typically using human cells in a high-throughput context. The in vitro methods would be designed to detect significant perturbations to “toxicity pathways,” i.e., key biological pathways that, when sufficiently perturbed, lead to adverse health outcomes. To explore progress on the report’s implementation, the Human Toxicology Project Consortium hosted a workshop on 9–10 November 2010 in Washington, …
Construct Validity Of Animal-Assisted Therapy And Activities: How Important Is The Animal In Aat?, Lori Marino
Construct Validity Of Animal-Assisted Therapy And Activities: How Important Is The Animal In Aat?, Lori Marino
Animal-Assisted Therapy Collection
Animal-assisted therapy and animal-assisted activities involve a nonhuman animal as a key therapeutic agent in some kind of intervention that may range from highly specified, as in AAT, to more casual, as in AAA. In this review I address the question: How important is the animal in animal therapy? In other words, does the recent literature strongly support the notion that a live animal, as opposed to another novel stimulating component, is specifically necessary for therapeutic success. Two meta-analyses and 28 single empirical studies were reviewed in order to address this issue. I conclude that the effects of AAT and …
A Roadmap For The Development Of Alternative (Non-Animal) Methods For Systemic Toxicity Testing, David Basketter, Harvey Clewell, Ian Kimber, Annamaria Rossi, Bas Blaauboer, Robert Burrier, Mardas Daneshian, Chantra Eskes, Alan Goldberg, Nina Hasiwa, Sebastian Hoffmann, Joanna Jaworska, Thomas B. Knudsen, Robert Landsiedel, Marcel Leist, Paul Locke, Gavin Maxwell, James Mckim, Emily Mcvey, Gladys Ouédraogo, Grace Patlewicz, Olavi Pelkonen, Erwin Roggen, Costanza Rovida, Irmela Ruhdel, Michael Schwarz, Andreas Schepky, Greet Schoeters, Nigel Skinner, Kerstin Trentz, Marian Turner, Philippe Vanparys, James Yager, Joanne Zurlo, Thomas Hartung
A Roadmap For The Development Of Alternative (Non-Animal) Methods For Systemic Toxicity Testing, David Basketter, Harvey Clewell, Ian Kimber, Annamaria Rossi, Bas Blaauboer, Robert Burrier, Mardas Daneshian, Chantra Eskes, Alan Goldberg, Nina Hasiwa, Sebastian Hoffmann, Joanna Jaworska, Thomas B. Knudsen, Robert Landsiedel, Marcel Leist, Paul Locke, Gavin Maxwell, James Mckim, Emily Mcvey, Gladys Ouédraogo, Grace Patlewicz, Olavi Pelkonen, Erwin Roggen, Costanza Rovida, Irmela Ruhdel, Michael Schwarz, Andreas Schepky, Greet Schoeters, Nigel Skinner, Kerstin Trentz, Marian Turner, Philippe Vanparys, James Yager, Joanne Zurlo, Thomas Hartung
Biomedical Research and Alternative Methods Collection
Systemic toxicity testing forms the cornerstone for the safety evaluation of substances. Pressures to move from traditional animal models to novel technologies arise from various concerns, including: the need to evaluate large numbers of previously untested chemicals and new products (such as nanoparticles or cell therapies), the limited predictivity of traditional tests for human health effects, duration and costs of current approaches, and animal welfare considerations. The latter holds especially true in the context of the scheduled 2013 marketing ban on cosmetic ingredients tested for systemic toxicity. Based on a major analysis of the status of alternative methods (Adler et …
Pursuing Medawar’S Challenge For Full Replacement, Martin Stephens
Pursuing Medawar’S Challenge For Full Replacement, Martin Stephens
Experimentation Collection
In 1969, Nobel Prize-winning scientist Peter Medawar predicted that scientific innovation would someday fully replace the use of animals in biomedical research. Medawar correctly forecast the leveling off and subsequent decline in animal use in the last quarter of the 20th century – a period of remarkable innovation in the life sciences. A 2007 report by the U.S. National Academy of Sciences, Toxicity Testing in the 21st Century, proposed a strategy that is likely to replace all routine animal use in toxicology with innovative methods within one to two decades. Replacing animal use throughout biomedical research is more challenging given …
Clinical Anesthesia And Analgesia In Fish, Lynne U. Sneddon
Clinical Anesthesia And Analgesia In Fish, Lynne U. Sneddon
Veterinary Science and Medicine Collection
Fish have become a popular experimental model and companion animal, and are also farmed and caught for food. Thus, surgical and invasive procedures in this animal group are common, and this review will focus on the anesthesia and analgesia of fish. A variety of anesthetic agents are commonly applied to fish via immersion. Correct dosing can result in effective anesthesia for acute procedures as well as loss of consciousness for surgical interventions. Dose and anesthetic agent vary between species of fish and are further confounded by a variety of physiological parameters (e.g., body weight, physiological stress) as well as environmental …
Characterisation Of Chemosensory Trigeminal Receptors In The Rainbow Trout, Oncorhynchus Mykiss: Responses To Chemical Irritants And Carbon Dioxide, Jessica J. Mettam, Catherine R. Mccrohan, Lynne U. Sneddon
Characterisation Of Chemosensory Trigeminal Receptors In The Rainbow Trout, Oncorhynchus Mykiss: Responses To Chemical Irritants And Carbon Dioxide, Jessica J. Mettam, Catherine R. Mccrohan, Lynne U. Sneddon
Veterinary Science and Medicine Collection
Trigeminally innervated, mechanically sensitive chemoreceptors (M) were previously identified in rainbow trout, Oncorhynchus mykiss, but it is not known whether these receptors are responsive only to noxious, chemical irritants or have a general chemosensory function. This study aimed to characterise the stimulus–response properties of these receptors in comparison with polymodal nociceptors (P). Both P and M gave similar response profiles to acetic acid concentrations. The electrophysiological properties were similar between the two different afferent types. To determine whether the receptors have a nociceptive function, a range of chemical stimulants was applied to these receptors, including non-noxious stimuli such as ammonium …
Rational Engagement, Emotional Response, And The Prospects For Moral Progress In Animal Use “Debates”, Nathan Nobis
Rational Engagement, Emotional Response, And The Prospects For Moral Progress In Animal Use “Debates”, Nathan Nobis
Animal Welfare Collection
This chapter is designed to help people rationally engage moral issues regarding the treatment of animals, specifically in experimentation, research, product testing, and education. Little “new” philosophy is offered here, strictly speaking. New arguments are unnecessary to help make progress in how people think about these issues. What is needed are improved abilities to engage the arguments already on the table, for example, stronger skills at identifying and evaluating the existing reasons given for and against conclusions on the morality of various uses of animals. To help improve these abilities, this chapter sets forth a set of basic but powerful …
Veterinary Problems In Puppy Mill Dogs, The Humane Society Of The United States
Veterinary Problems In Puppy Mill Dogs, The Humane Society Of The United States
PUPPY MILL REPORTS
Dogs in puppy mills often suffer from an array of painful and potentially life-shortening veterinary problems due to overcrowded, unsanitary conditions and the lack of proper oversight or veterinary care. Conditions common to puppy mills, such as the use of stacked, wire cages to house more animals than a given space should reasonably hold, as well as constant exposure to the feces and urine of other dogs, make it difficult for dogs to avoid exposure to common parasites and infectious diseases. In addition, a lack of regular, preventive veterinary care, clean food and water, basic cleaning and grooming, and careful …
Puppy Buyer Complaints: A Five-Year Summary, 2007‐2011, The Humane Society Of The United States
Puppy Buyer Complaints: A Five-Year Summary, 2007‐2011, The Humane Society Of The United States
PUPPY MILL REPORTS
The Humane Society of the United States receives complaints about sick puppies on a daily basis. Over a five-year period (2007-2011), our puppy mills campaign received 2,479 puppy buyer complaints. The complaint came to The HSUS via our website complaint form (www.humanesociety.org/puppycomplaint), by email, and through our puppy mills tip line. Buyers complained about sick puppies sold by a variety of sources, including pet stores, breeders (both in person and online), or middleman dealers (sometimes known as brokers). Unsatisfied buyers contact The HSUS for many reasons; some are seeking information about how to pursue their consumer complaint, others …
An Hsi Report: Industrial Farm Animal Production And Livestock Associated Mrsa (Methicillin Resistant Staphylococcus Aureus), Humane Society International
An Hsi Report: Industrial Farm Animal Production And Livestock Associated Mrsa (Methicillin Resistant Staphylococcus Aureus), Humane Society International
HSI REPORTS
Staphylococcus aureus is a leading cause of bacterial infection and is increasingly found to be resistant to antibiotic therapy. A newly described type of Methicillin Resistant Staphylococcus aureus carried by farm animals, Livestock Associated MRSA (LA-MRSA), is now causing infections in humans with and without direct livestock contact. A reduction in the non-therapeutic use of antibiotics in feed would likely reduce the capacity of industrial animal agriculture to continue to create, disseminate, and perpetuate a large reservoir of LA-MRSA on a global scale, but more fundamental changes in the way animals are raised for food may be necessary forestall a …
Prevalence Of Antibodies To Canine Parvovirus And Distemper Virus In Wolves In The Canadian Rocky Mountains, Brynn Nelson, Mark Hebblewhite, Vanessa Ezenwa, Todd Shury, Evelyn H. Merrill, Paul C. Paquet, Fiona Schmiegelow, Dale Selp, Geoff Skinner, Nathan Webb
Prevalence Of Antibodies To Canine Parvovirus And Distemper Virus In Wolves In The Canadian Rocky Mountains, Brynn Nelson, Mark Hebblewhite, Vanessa Ezenwa, Todd Shury, Evelyn H. Merrill, Paul C. Paquet, Fiona Schmiegelow, Dale Selp, Geoff Skinner, Nathan Webb
Epidemiology Collection
Wild carnivores are often exposed to diseases via contact with peridomestic host species that travel through the wildland-urban interfaces. To determine the antibody prevalences and relationships to human activity for two common canid pathogens, we sampled 99 wolves (Canis lupus) from 2000 to 2008 for antibodies to canine parvovirus (CPV) and canine distemper virus (CDV) in Banff and Jasper National Parks and surrounding areas of the Canadian Rockies. This population was the source for wolves reintroduced into the Northern Rockies of the US. Of 99 wolves sampled, 94 had detectable antibody to CPV (95%), 24 were antibody-positive for CDV (24%), …
Mammary Cell Activity And Turnover In Dairy Cows Treated With The Prolactin-Release Inhibitor Quinagolide And Milked Once Daily, M. Boutinaud, V. Lollivier, L. Finot, R. M. Bruckmaier, P. Lacasse
Mammary Cell Activity And Turnover In Dairy Cows Treated With The Prolactin-Release Inhibitor Quinagolide And Milked Once Daily, M. Boutinaud, V. Lollivier, L. Finot, R. M. Bruckmaier, P. Lacasse
Physiology Collection
To assess the regulation of mammary cell activity, survival, and proliferation by prolactin (PRL), 5 Holstein cows in early lactation received daily i.m. injections of 1 mg of quinagolide, a suppressor of PRL release, for 9 wk, whereas 4 control cows received the vehicle (water) only. During the last week of treatment, one udder half was milked once a day (1×) and the other twice a day (2×). Mammary biopsies were harvested 1 wk before and 4 and 8 wk after the start of quinagolide treatment. The quinagolide injections reduced milk yield and resulted in lower levels of κ-casein and …