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Melco A, Pritchard JC, Hetzel SJ, Saver A, Cavasin JP, Steiner JM. The effect of feeding on serum concentrations of cobalamin, folate, trypsin-like immunoreactivity, and pancreatic lipase immunoreactivity in dogs with signs of chronic gastrointestinal disease. J Vet Intern Med 2024; 38:1465-1474. [PMID: 38580455 PMCID: PMC11099692 DOI: 10.1111/jvim.17064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 03/22/2024] [Indexed: 04/07/2024] Open
Abstract
BACKGROUND It is unknown if serum concentrations of cobalamin, folate, canine pancreatic lipase immunoreactivity (cPLI), and canine trypsin-like immunoreactivity (cTLI) obtained postprandially are equivalent to measurements obtained after withholding food in dogs with suspected gastrointestinal disease. HYPOTHESIS/OBJECTIVES Measurements of serum concentrations of cobalamin, folate, cPLI, and cTLI postprandially will be equivalent to measurements after 12 hours of withholding food in dogs with signs of chronic gastrointestinal disease. Changes observed will not alter clinical interpretation. ANIMALS 51 client-owned dogs with signs of gastrointestinal disease. METHODS Prospective single arm clinical trial. Serum concentrations of cobalamin, folate, cPLI and cTLI 2, 4, and 8 hours postprandially were compared by equivalence testing to values after withholding food for 12 hours (baseline). RESULTS Mean serum cobalamin concentrations 2 hours (498.1 ± 213.1 ng/L; P = 0.024) and 4 hours (501.9 ± 207.4 ng/L; P = 0.008) postprandial were equivalent to baseline (517.3 ± 211.5 ng/L). Mean serum cTLI 2 hours (31.3 ± 14 μg/L; P < 0.001) and 4 hours (29.6 ± 13.1 μg/L; P = 0.027) postprandial were equivalent to baseline (31.1 ± 15 μg/L). Mean serum folate concentration 2 hours postprandial (15 ± 7.7 μg/L) was equivalent to baseline (13.7 ± 8.3 μg/L; P < 0.001). Equivalence could not be assessed for cPLI due to results below the lower limit of quantification. Feeding altered the clinical interpretation in 27% (cobalamin), 35% (folate), 20% (cTLI), and 12% (cPLI) of dogs. CONCLUSIONS AND CLINICAL IMPORTANCE The clinical interpretation for a substantial number of samples changed after feeding, therefore withholding food before sample collection is prudent.
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Affiliation(s)
- Ashley Melco
- Department of Medical SciencesSchool of Veterinary Medicine, University of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Jessica C. Pritchard
- Department of Medical SciencesSchool of Veterinary Medicine, University of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Scott J. Hetzel
- Department of Biostatistics and Medical InformaticsSchool of Medicine and Public Health, University of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Alexander Saver
- Department of Medical SciencesSchool of Veterinary Medicine, University of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Joao Pedro Cavasin
- Gastrointestinal LaboratoryCollege of Veterinary Medicine and Biomedical Sciences, Texas A&M UniversityCollege StationTexasUSA
| | - Jörg M. Steiner
- Gastrointestinal LaboratoryCollege of Veterinary Medicine and Biomedical Sciences, Texas A&M UniversityCollege StationTexasUSA
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Candiani D, Drewe J, Forkman B, Herskin MS, Van Soom A, Aboagye G, Ashe S, Mountricha M, Van der Stede Y, Fabris C. Scientific and technical assistance on welfare aspects related to housing and health of cats and dogs in commercial breeding establishments. EFSA J 2023; 21:e08213. [PMID: 37719917 PMCID: PMC10500269 DOI: 10.2903/j.efsa.2023.8213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023] Open
Abstract
This Scientific Report addresses a mandate from the European Commission according to Article 31 of Regulation (EC) No 178/2002 on the welfare of cats and dogs in commercial breeding establishments kept for sport, hunting and companion purposes. The aim was to scrutinise recent recommendations made by the EU Platform on Animal Welfare Voluntary Initiative on measures to assist the preparation of policy options for the legal framework of commercial breeding of cats and dogs. Specifically, the main question addressed was if there is scientific evidence to support the measures for protection of cats and dogs in commercial breeding related to housing, health considerations and painful procedures. Three judgements were carried out based on scientific literature reviews and, where possible a review of national regulations. The first judgement addressed housing and included: type of accommodation, outdoor access, exercise, social behaviour, housing temperature and light requirements. The second judgement addressed health and included: age at first and last breeding, and breeding frequency. Judgement 3 addressed painful procedures (mutilations or convenience surgeries) and included: ear cropping, tail docking and vocal cord resections in dogs and declawing in cats. For each of these judgements, considerations were provided indicating where scientific literature is available to support recommendations on providing or avoiding specific housing, health or painful surgical interventions. Areas where evidence is lacking are indicated.
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Rankovic A, Adolphe JL, Ramdath DD, Shoveller AK, Verbrugghe A. Glycemic response in nonracing sled dogs fed single starch ingredients and commercial extruded dog foods with different carbohydrate sources. J Anim Sci 2020; 98:5889930. [PMID: 32770217 DOI: 10.1093/jas/skaa241] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 07/28/2020] [Indexed: 12/19/2022] Open
Abstract
This study adapted the established glycemic index (GI) methodology used in human research to perform two studies in sled dogs in order to assess the blood glucose-raising potential of pulse-based dog foods. The first was a pilot study (n = 6 dogs) to determine the GI of single starch sources (white bread, cooked white rice, and cooked green lentils) using a glucose solution as control. Next, the effect on glycemic and insulinemic meal responses and GI of commercial extruded dog foods containing different categories of starch sources (traditional grain, whole grain, grain-free, and vegan) were investigated on 11 dogs using a glucose control. Results were compared using repeated measures analysis of variance (ANOVA). Consumption of 10 g of available carbohydrate (Av CHO) was insufficient to elicit a measurable response in blood glucose for GI determination, and as such, the amount was increased to 25 g for the second study. The GI (±SE) of the single starch sources and dog foods was: white bread: 47 ± 11, cooked white rice: 71 ± 14, cooked green lentils: 60 ± 20 (P = 0.569), traditional grain: 83 ± 17, whole grain: 56 ± 8, grain-free: 41 ± 6, and vegan: 65 ± 15 (P = 0.154). No statistical differences in glycemic response over time were observed between the single starch sources or the extruded diets tested (P = 0.1412; P = 0.2651). The insulinemic response elicited by the extruded diets was also not different (P = 0.079); however, the traditional grain diet did have the slowest time to peak for insulin (P = 0.0078). Among single starch sources and extruded dog foods, there were no differences in the glycemic indices measured in this study. The GI methodology has not been validated for use in canine species, and it is likely that our results were due to higher interindividual variation or inadequate study power. Regardless, this study will serve to better define future studies to investigate the potential physiological benefits of low GI foods for dogs.
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Affiliation(s)
- Alexandra Rankovic
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
| | | | - D Dan Ramdath
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON, Canada
| | - Anna K Shoveller
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - Adronie Verbrugghe
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
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Cantos-Barreda A, Escribano D, Egui A, López MC, Cerón JJ, Bernal LJ, Martínez-Subiela S. Evaluation of the circadian rhythm of anti-Leishmania IgG2 and IgA antibodies in serum and saliva of dogs with clinical leishmaniosis. Comp Immunol Microbiol Infect Dis 2019; 68:101389. [PMID: 31760362 DOI: 10.1016/j.cimid.2019.101389] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 10/28/2019] [Accepted: 11/08/2019] [Indexed: 10/25/2022]
Abstract
In this study, the circadian rhythm of IgG2 and IgA specific antibodies in serum and saliva samples of 6 dogs experimentally infected with Leishmania infantum was assessed. Sampling was performed at 8.00, 12.00, 16.00, 20.00, and 00.00 h on two consecutive days. Anti-Leishmania antibody levels in serum were expressed without any correction, whereas in saliva were shown in different ways: without any correction, adjusted by protein concentration and corrected by the salivary flow rate. No significant differences in anti-Leishmania IgG2 antibody levels in serum and saliva samples with or without correction were found. Significant differences were found when anti-Leishmania IgA levels were corrected by the salivary flow rate. In addition, a greater intra-individual variation of antibody levels was observed in saliva than in serum. However, this variation did not modify the serological status of the dogs. Therefore, it could be concluded that there is no circadian rhythm in serum and saliva samples and sampling can be performed at any time of the day.
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Affiliation(s)
- Ana Cantos-Barreda
- Interdisciplinary Laboratory of Clinical Analysis, Interlab-UMU, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Espinardo, Murcia, Spain
| | - Damián Escribano
- Interdisciplinary Laboratory of Clinical Analysis, Interlab-UMU, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Espinardo, Murcia, Spain.
| | - Adriana Egui
- Instituto de Parasitología y Biomedicina "López Neyra", Molecular Biology Department, Consejo Superior de Investigaciones Científicas, Granada, Spain
| | - Manuel C López
- Instituto de Parasitología y Biomedicina "López Neyra", Molecular Biology Department, Consejo Superior de Investigaciones Científicas, Granada, Spain
| | - José J Cerón
- Interdisciplinary Laboratory of Clinical Analysis, Interlab-UMU, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Espinardo, Murcia, Spain
| | - Luis J Bernal
- Interdisciplinary Laboratory of Clinical Analysis, Interlab-UMU, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Espinardo, Murcia, Spain
| | - Silvia Martínez-Subiela
- Interdisciplinary Laboratory of Clinical Analysis, Interlab-UMU, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Espinardo, Murcia, Spain
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Smits MM, Tonneijck L, Muskiet MHA, Diamant M, Kramer MHH, Cahen DL, van Raalte DH. Acute plasma amylase increase after glucagon-like peptide -1 receptor agonist exenatide administration in Type 2 diabetes. Diabet Med 2017; 34:591-592. [PMID: 27278095 PMCID: PMC5363237 DOI: 10.1111/dme.13160] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- M M Smits
- Diabetes Center, Department of Internal Medicine, VU University Medical Center, Amsterdam, The Netherlands
| | - L Tonneijck
- Diabetes Center, Department of Internal Medicine, VU University Medical Center, Amsterdam, The Netherlands
| | - M H A Muskiet
- Diabetes Center, Department of Internal Medicine, VU University Medical Center, Amsterdam, The Netherlands
| | - M Diamant
- Diabetes Center, Department of Internal Medicine, VU University Medical Center, Amsterdam, The Netherlands
| | - M H H Kramer
- Diabetes Center, Department of Internal Medicine, VU University Medical Center, Amsterdam, The Netherlands
| | - D L Cahen
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - D H van Raalte
- Diabetes Center, Department of Internal Medicine, VU University Medical Center, Amsterdam, The Netherlands
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Parallelism of circadian rhythmicity of salivary and serum cortisol concentration in normal dogs. J Appl Biomed 2014. [DOI: 10.1016/j.jab.2014.01.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Giannetto C, Fazio F, Panzera M, Alberghina D, Piccione G. Comparison of rectal and vaginal temperature daily rhythm in dogs (Canis familiaris) under different photoperiod. BIOL RHYTHM RES 2014. [DOI: 10.1080/09291016.2014.963946] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Arendt M, Fall T, Lindblad-Toh K, Axelsson E. Amylase activity is associated with AMY2B copy numbers in dog: implications for dog domestication, diet and diabetes. Anim Genet 2014; 45:716-22. [PMID: 24975239 PMCID: PMC4329415 DOI: 10.1111/age.12179] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/05/2014] [Indexed: 12/15/2022]
Abstract
High amylase activity in dogs is associated with a drastic increase in copy numbers of the gene coding for pancreatic amylase, AMY2B, that likely allowed dogs to thrive on a relatively starch-rich diet during early dog domestication. Although most dogs thus probably digest starch more efficiently than do wolves, AMY2B copy numbers vary widely within the dog population, and it is not clear how this variation affects the individual ability to handle starch nor how it affects dog health. In humans, copy numbers of the gene coding for salivary amylase, AMY1, correlate with both salivary amylase levels and enzyme activity, and high amylase activity is related to improved glycemic homeostasis and lower frequencies of metabolic syndrome. Here, we investigate the relationship between AMY2B copy numbers and serum amylase activity in dogs and show that amylase activity correlates with AMY2B copy numbers. We then describe how AMY2B copy numbers vary in individuals from 20 dog breeds and find strong breed-dependent patterns, indicating that the ability to digest starch varies both at the breed and individual level. Finally, to test whether AMY2B copy number is strongly associated with the risk of developing diabetes mellitus, we compare copy numbers in cases and controls as well as in breeds with varying diabetes susceptibility. Although we see no such association here, future studies using larger cohorts are needed before excluding a possible link between AMY2B and diabetes mellitus.
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Affiliation(s)
- Maja Arendt
- Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, 75123, Sweden
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Dossin O. Laboratory tests for diagnosis of gastrointestinal and pancreatic diseases. Top Companion Anim Med 2011; 26:86-97. [PMID: 21596348 PMCID: PMC7104967 DOI: 10.1053/j.tcam.2011.02.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2011] [Accepted: 02/28/2011] [Indexed: 11/11/2022]
Abstract
The panel of laboratory tests available for diagnosis of gastrointestinal (GI) diseases in dogs and cats is wide, and, recently, several new tests have been developed. This article will focus on advances in laboratory tests that are available for the general practitioner for diagnosis of GI diseases. Laboratory tests for diagnosis of gastric and intestinal infectious diseases include fecal parasite screening tests, enzyme-linked immunosorbent assays for parvoviral enteritis, and some specific bacterial tests like fluorescent in situ hybridization for identification of specific bacteria attached to the intestinal epithelial cells. Serum concentrations of folate and cobalamin are markers of intestinal absorption, but are also changed in exocrine pancreatic insufficiency and intestinal bacterial overgrowth. Hypocobalaminemia is common in GI and pancreatic disease. Decreased serum trypsin-like immunoreactivity is a very sensitive and specific test for the diagnosis of exocrine pancreatic insufficiency in dogs and cats. Serum pancreatic lipase is currently the most sensitive and specific test to identify pancreatic cell damage and acute pancreatitis. However, serum canine pancreas-specific lipase is less sensitive in canine chronic pancreatitis. Increased serum trypsin-like immunoreactivity is also specific for pancreatic damage but is less sensitive. It is very likely that further studies will help to better specify the role of these new tests in the diagnosis of canine and feline pancreatic diseases.
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Affiliation(s)
- Olivier Dossin
- Internal Medicine, Department of Clinical Sciences, National Veterinary School, Toulouse, France.
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