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Bookbinder L, Prisk A. Updates on Diagnosis and Management of Colic in the Field and Criteria for Referral. Vet Clin North Am Equine Pract 2023:S0749-0739(23)00013-5. [PMID: 37121785 DOI: 10.1016/j.cveq.2023.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023] Open
Abstract
Gastrointestinal colic is the most common primary care equine emergency and affects nearly one of four horses per year. Colic is a significant welfare concern for equine patients and a financial and emotional burden for owners. The primary care practitioner is instrumental in identifying critical cases quickly and making appropriate management recommendations to improve patient outcomes.
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Affiliation(s)
- Lauren Bookbinder
- Large Animal Clinical Sciences, Michigan State University College of Veterinary Medicine, 736 Wilson Road, East Lansing, MI, USA.
| | - Amanda Prisk
- Department of Clinical Sciences, Cummings School of Veterinary Medicine at Tufts University, 200 Westboro Road, North Grafton, MA, USA
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Wattanapornpilom T, Pornprasitroj P, Thongsri K, Iamprapai S, Suan-Aoy P, Chanda M. The use of confined housing in sand bedding and trimming to manage phalangeal rotation and hoof malconformation over a 20-week period in two laminitic stallions. J Equine Vet Sci 2022; 116:104062. [DOI: 10.1016/j.jevs.2022.104062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 06/25/2022] [Accepted: 06/28/2022] [Indexed: 10/17/2022]
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3
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Free Faecal Water: Analysis of Horse Faecal Microbiota and the Impact of Faecal Microbial Transplantation on Symptom Severity. Animals (Basel) 2021; 11:ani11102776. [PMID: 34679798 PMCID: PMC8533009 DOI: 10.3390/ani11102776] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/17/2021] [Accepted: 09/17/2021] [Indexed: 11/30/2022] Open
Abstract
Simple Summary Free faecal water (FFW) in equines causes soiling of the hindquarters and tail and may also include additional symptoms. The cause of FFW is unknown. In this study it was investigated whether the microbes present in the last part of the gut (i.e., the hindgut microbiota) may be involved. From the analysis of faecal samples, it was found that horses suffering from FFW had no differences in their hindgut microbiota compared to healthy horses stabled at the same location. However, subsequent treatment of the FFW horses with a faecal microbiota transplantation (FMT) from a healthy donor animal resulted in a decrease in FFW symptom severity. Nevertheless, animals did not respond uniformly to this treatment, with some only having temporary decreases in FFW symptom severity. No lasting changes in the hindgut microbiota of the FFW horses occurred as a result of the faecal transplant. The practical implication of these findings is that FMT can potentially be used to temporarily alleviate FFW symptom severity in horses, although future studies using controls are needed to confirm the effectiveness of FMT to treat FFW. Abstract Free faecal water (FFW) in equines results in pollution of the hindquarters and tail and can also involve clinical signs. Though the cause of FFW is unknown, it was hypothesized that it may involve the gut microbiota. This hypothesis was addressed as follows. First, the faecal prokaryotic community composition of horses suffering from FFW relative to healthy controls (n = 10) was compared. Second, FFW horses were treated with a standardised faecal microbiota transplantation (FMT) protocol (n = 10), followed by assessment of FFW symptom severity and faecal prokaryotic community composition over a follow-up period of 168 days. No significant differences were found in the faecal microbiota composition of FFW horses compared to healthy controls (p > 0.05). Relative to before FMT, FFW symptom severity decreased in affected horses 14 days after FMT (p = 0.02) and remained decreased for the remainder of the study (p < 0.02). However, individual animal responses to FMT varied. FMT had no effect on FFW horse faecal prokaryotic community composition in terms of alpha or beta diversity. Alpha diversity of the donor inocula used in the FMT was always lower than that of the faecal microbiota of the FFW treated horses (p < 0.001). In conclusion, whilst findings indicate FFW horses do not have an altered hindgut microbiota, some horses that received FMT had a temporary alleviation of FFW symptom severity without causing changes in the faecal microbiota. Future studies using controls are now needed to confirm the effectiveness of FMT to treat FFW.
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Niinistö K, Sykes BW. Diagnosis and management of sand enteropathy in the horse. EQUINE VET EDUC 2021. [DOI: 10.1111/eve.13562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- K. Niinistö
- Faculty of Veterinary Medicine University of Helsinki Helsinki Finland
| | - B. W. Sykes
- School of Veterinary Sciences Massey University Palmerston North New Zealand
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Rhodes DM, Madrigal R. Management of Colic in the Field. Vet Clin North Am Equine Pract 2021; 37:421-439. [PMID: 34243880 DOI: 10.1016/j.cveq.2021.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Colic is one of the most frequent emergencies necessitating veterinary attention. Referral is not an option in many cases; therefore, the ability to diagnose and treat colic in an ambulatory setting is paramount. Portable imaging and point-of-care testing has improved the ability to identify lesions and assess the patient's status. In cases when field management is the only option, practitioners should be aware of the various treatment options available.
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Affiliation(s)
- Diane M Rhodes
- Loomis Basin Equine Medical Center, 2973 Penryn Road, Penryn, CA 95603, USA.
| | - Rodolfo Madrigal
- Loomis Basin Equine Medical Center, 2973 Penryn Road, Penryn, CA 95603, USA
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Hesta M, Costa M. How Can Nutrition Help with Gastrointestinal Tract-Based Issues? Vet Clin North Am Equine Pract 2021; 37:63-87. [PMID: 33820610 DOI: 10.1016/j.cveq.2020.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Many horses are fed differently than their wild ancestors. They often have limited access to pasture and are fed conserved forage and concentrates rich in starch and sugars, in only 2 meals per day. Feeding practices in contrast to natural feeding behavior can lead to gastrointestinal issues. Standard nutritional evaluation is warranted because of its important role in prevention and in treatment and management of diseases. When medical and nutritional treatments are combined, success rates are higher. New techniques to characterize equine microbiota have been used, allowing for microbiota manipulation to prevent and treat intestinal diseases.
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Affiliation(s)
- Myriam Hesta
- Department of Veterinary Medical Imaging and Small Animal Orthopedics, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke B9820, Belgium.
| | - Marcio Costa
- Department of Veterinary Biomedical Sciences, University of Montreal, Saint-Hyacinthe, Canada
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Mienaltowski MJ, Belt A, Henderson JD, Boyd TN, Marter N, Maga EA, DePeters EJ. Psyllium supplementation is associated with changes in the fecal microbiota of horses. BMC Res Notes 2020; 13:459. [PMID: 32993781 PMCID: PMC7526151 DOI: 10.1186/s13104-020-05305-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 09/22/2020] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE Prophylactic supplementation of psyllium husk is recommended to enhance passage of ingested sand from the gastrointestinal tracts of horses. We hypothesized that psyllium supplementation would increase fecal sand passage and favorably alter bacterial populations in the hindgut. Six yearlings and six mature mares were fed a psyllium supplement in the diet daily for seven days. Voluntarily-voided feces were collected over the course of 29 days, prior, during, and after treatment. Feces were analyzed for acid detergent fiber (ADF) and acid detergent insoluble ash analyses. Microbial DNA was also isolated, and the V4 region of the 16S ribosomal RNA gene was PCR-amplified and sequenced using MiSeq technology. RESULTS Fecal ADF concentration was greater in adults while silica concentration was greater in yearlings. Mature mare fecal ADF decreased during and just after supplementation but thereafter increased. No changes in silica levels were noted in either group over time. Fecal microbial population phylogenetic diversity was greatest mid-supplementation and lowest at 11 days post-supplementation. Functional profiles of the microbial communities presented some benefits for psyllium supplementation. These findings provide compelling evidence for further detailed studies of prophylactic psyllium supplementation.
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Affiliation(s)
- Michael J Mienaltowski
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA.
| | - Ashley Belt
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA
| | - John D Henderson
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA
| | - Tannah N Boyd
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA
| | - Nicole Marter
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA
| | - Elizabeth A Maga
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA
| | - Edward J DePeters
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA
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Alonso J, Schmitt F, Sousa F, Rosa G, Esper C, Melo Neto G, Vettorato M, Fogaça J, Pantoja J, Watanabe M, Alves A, Rodrigues C, Machado V, Hussni C. Carboxymethylcellulose and psyllium effects in sand output of horses with asymptomatic sand accumulation. ARQ BRAS MED VET ZOO 2020. [DOI: 10.1590/1678-4162-11525] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT The aim of this study was to evaluate the effects of Psyllium (PSY) and Carboxymethylcellulose (CMC) administration on fecal elimination of sand in horses with asymptomatic sand accumulations. Eight horses were selected from sandy areas and randomly divided into 2 groups of four animals. The subjects were treated either with CMC or PSY. The presence of intestinal sand was confirmed through radiography and glove sedimentation test. The study was performed in two phases, with a 7-day interval. In phase I, all the animals received 8 liters of warm water; in phase II, the CMC group received 8 liters of water + 1g/kg of CMC, whereas the PSY group received 8 liters of water + 1g/kg of PSY. All administrations were performed through nasogastric intubation and fractionated in 2 equal volume administrations with an interval of two hours. General and specific physical examination of the digestive system were performed in conjunction with abdominal ultrasonography before the administrations and after 6, 12, 24, 36 and 48 hours, aiming to evaluate intestinal motility and presence of sand. All the feces eliminated by the animals within the 72 hours following the administrations were quantified, diluted and sedimented in order to calculate the sand output (g/kg of feces). All the animals were also subjected to radiographic examination to quantify sand accumulation prior to phase I and after 72 hours of phases I and II. No adverse effects were observed after the treatments. It was possible to notice higher sand elimination in both groups during the phase I, whereas no difference was observed in sand elimination rates between the groups in phase II. The radiographic scores presented differences between the initial timepoint and 72h in phases I and II for both groups. Based on the sand elimination rates and radiographic score, this study demonstrated that sand output was greater after administration of water alone, compared to CMC and Psyllium, leading to the inference that removal of the sandy environment and prevention of sand re-ingestion are effective measures for the elimination of sand from the colon of horses with asymptomatic sand accumulations.
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Affiliation(s)
| | | | | | - G.S. Rosa
- Universidade Estadual Paulista, Brazil
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Niinistö KE, Määttä MA, Ruohoniemi MO, Paulaniemi M, Raekallio MR. Owner-Reported Clinical Signs and Management-Related Factors in Horses Radiographed for Intestinal Sand Accumulation. J Equine Vet Sci 2019; 80:10-15. [PMID: 31443826 DOI: 10.1016/j.jevs.2019.05.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 05/21/2019] [Accepted: 05/21/2019] [Indexed: 10/26/2022]
Abstract
Clinical problems related to intestinal sand accumulation in horses are common in certain geographic areas, but the clinical signs appear nonspecific and the course of the accumulation remains somewhat obscure. This study examined the association between the presence and size of intestinal sand accumulations and owner-reported clinical signs, management, and feeding practices, as well as behavioral patterns in horses with radiographic diagnosis of sand accumulation. Owners of the horses filled in an online questionnaire. A total of 447 responses met the inclusion criteria. The size of the sand accumulation detected in the radiographs was not significantly associated with the age, body condition score, sex, or use of the horses. Horses reported to have expressed colic had significantly larger sand accumulations than those without this sign, and a similar association was detected in horses with poor performance. The highest odds ratio for sand accumulation was for the combination of colic and poor performance, followed by colic combined with diarrhea/loose feces or hyperesthesia to touch of the abdominal wall. Larger sand accumulations were detected in greedy horses that eat all their roughage, whereas dominant position in group hierarchy was associated with less sand. The possibility of abdominal sand accumulation should be considered as one of the differentials in horses with multiple owner-reported clinical signs such as colic, poor performance, diarrhea, and hyperesthesia to touch of the abdomen.
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Affiliation(s)
- Kati E Niinistö
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland.
| | - Meri A Määttä
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Mirja O Ruohoniemi
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Maria Paulaniemi
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Marja R Raekallio
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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Colic Prevention to Avoid Colic Surgery: A Surgeon's Perspective. J Equine Vet Sci 2019; 76:1-5. [PMID: 31084747 DOI: 10.1016/j.jevs.2019.02.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 02/26/2019] [Accepted: 02/26/2019] [Indexed: 11/20/2022]
Abstract
Management factors associated with colic, particularly related to stall confinement and nutrition, have been linked to alterations in gastrointestinal mucosal transport, motility, and microbiome, which in turn creates conditions that induce colic. In particular, meal feeding creates large changes in water movement in and out of the colon and alters the microbiome. These conditions may in turn result in colic conditions such as large colon impaction or large colon volvulus. In addition, a range of management and nutritional factors have been found to place horses at risk of select colic conditions such as ileal impaction. Other specific colic conditions, such as strangulating lipomas, may be related to fat metabolism in geldings and ponies, although the association with nutrition and the endocrine system are less well defined. It has long been understood that parasites are associated with colic, and with the advent of highly effective anthelmintics, parasite-induced colic has been markedly reduced. Nonetheless, equine mangers and veterinarians have to be aware of changes in parasite resistance or patterns of activity, such as the resurgence of large strongyles with surveillance-based management of parasites. Overall, understanding management risk factors can lead to recommendations that prevent colic in horses. Additional study of these factors may ultimately lead to reductions in the prevalence of colic by suggesting optimal management practices.
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Niinistö K, Ruohoniemi M, Freccero F, Raekallio M. Investigation of the treatment of sand accumulations in the equine large colon with psyllium and magnesium sulphate. Vet J 2018; 238:22-26. [DOI: 10.1016/j.tvjl.2018.06.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 04/30/2018] [Accepted: 06/08/2018] [Indexed: 10/14/2022]
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Bergstrom TC, Sakai RR, Nieto JE. Catastrophic gastric rupture in a horse secondary to psyllium pharmacobezoars. THE CANADIAN VETERINARY JOURNAL = LA REVUE VETERINAIRE CANADIENNE 2018; 59:249-253. [PMID: 29599554 PMCID: PMC5819023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A mare was euthanized because of gastric rupture secondary to complete duodenal obstruction by 2 bezoars located in the pylorus and proximal duodenum. Infrared spectroscopy showed that the bezoars were composed of psyllium. The mare had been receiving treatment with a pelleted psyllium product at 4 times the recommended dosage. Veterinarians should be aware that treatment of colic in horses with pelleted psyllium products could be associated with gastric impaction.
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Affiliation(s)
- Thomas C Bergstrom
- The William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California, Davis, California 95616, USA
| | - R Russell Sakai
- The William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California, Davis, California 95616, USA
| | - Jorge E Nieto
- The William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California, Davis, California 95616, USA
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Pezzanite LM, Hackett ES. Technique-associated outcomes in horses following large colon resection. Vet Surg 2017; 46:1061-1067. [DOI: 10.1111/vsu.12725] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 05/10/2017] [Accepted: 05/11/2017] [Indexed: 12/25/2022]
Affiliation(s)
- Lynn M. Pezzanite
- Department of Clinical Sciences, College of Veterinary Medicine; Colorado State University; Fort Collins Colorado
| | - Eileen S. Hackett
- Department of Clinical Sciences, College of Veterinary Medicine; Colorado State University; Fort Collins Colorado
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