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  • 1
    Online Resource
    Online Resource
    Agreement of antimicrobial susceptibility testing of Pasteurella multocida and Mannheimia haemolytica isolates from preweaned dairy calves with bovine respiratory disease
    American Veterinary Medical Association (AVMA) ; 2023
    In:  American Journal of Veterinary Research ( 2023-08-14), p. 1-9
    Details
    In: American Journal of Veterinary Research, American Veterinary Medical Association (AVMA), ( 2023-08-14), p. 1-9
    Abstract: Evaluate agreement among the antimicrobial susceptibility profiles of Mannheimia haemolytica or Pasteurella multocida obtained by transtracheal wash, nasal swab, nasopharyngeal swab, and bronchoalveolar lavage. ANIMALS 100 Holstein and Holstein-cross bull calves with bovine respiratory disease. METHODS Calves 〉 30 days old with naturally occurring bovine respiratory disease were sampled sequentially by nasal swab, nasopharyngeal swab, transtracheal wash, and then bronchoalveolar lavage. Samples were cultured, and for each antimicrobial, the MIC of 50% and 90% of isolates was calculated, and isolates were categorized as susceptible or not. Categorical discrepancies were recorded. Percent positive agreement and kappa values were calculated between isolates for each of the sampling methods. RESULTS Antimicrobial susceptibility varied by pathogen and resistance to enrofloxacin, florfenicol, tilmicosin, and spectinomycin was detected. Minor discrepancies were seen in up to 29% of classifications, with enrofloxacin, penicillin, and florfenicol more frequently represented than other drugs. Very major and major discrepancies were seen when comparing florfenicol (1.9%) and tulathromycin (3.8 to 4.9%) across sampling methods. Some variability was seen in agreement for enrofloxacin for several comparisons (8.3 to 18.4%). CLINICAL RELEVANCE Susceptibility testing of isolates from 1 location of the respiratory tract can reliably represent susceptibility in other locations. Nevertheless, the potential for imperfect agreement between sampling methods does exist. The level of restraint available, the skill level of the person performing the sampling, the age and size of the animal, disease status, and treatment history all must be factored into which test is most appropriate for a given situation.
    Type of Medium: Online Resource
    ISSN: 0002-9645 , 1943-5681
    URL: Article
    DOI: 10.2460/ajvr.23.06.0140
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2023
    detail.hit.zdb_id: 2056942-7
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  • 2
    Online Resource
    Online Resource
    Expression of inflammation-associated genes in circulating leukocytes and activity of indoleamine-2,3-dioxygenase in dairy cattle with acute puerperal metritis and bacteremia
    Elsevier BV ; 2015
    In:  Research in Veterinary Science Vol. 101 ( 2015-08), p. 6-10
    Details
    In: Research in Veterinary Science, Elsevier BV, Vol. 101 ( 2015-08), p. 6-10
    Type of Medium: Online Resource
    ISSN: 0034-5288
    URL: Article
    DOI: 10.1016/j.rvsc.2015.05.013
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2015
    detail.hit.zdb_id: 2002535-X
    SSG: 22
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  • 3
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    Genetic characterization of susceptible and multi-drug resistant Mannheimia haemolytica isolated from high-risk stocker calves prior to and after antimicrobial metaphylaxis
    Elsevier BV ; 2019
    In:  Veterinary Microbiology Vol. 235 ( 2019-08), p. 110-117
    Details
    In: Veterinary Microbiology, Elsevier BV, Vol. 235 ( 2019-08), p. 110-117
    Type of Medium: Online Resource
    ISSN: 0378-1135
    URL: Article
    DOI: 10.1016/j.vetmic.2019.06.012
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2019
    detail.hit.zdb_id: 1498996-7
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  • 4
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    Multicenter case-control study of signalment, diagnostic features, and outcome associated with cervical vertebral malformation-malarticulation in horses
    American Veterinary Medical Association (AVMA) ; 2010
    In:  Journal of the American Veterinary Medical Association Vol. 237, No. 7 ( 2010-10-01), p. 812-822
    Details
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 237, No. 7 ( 2010-10-01), p. 812-822
    Abstract: Objective —To compare signalment of horses with cervical vertebral malformation-malarticulation (CVM) with that of control horses and to describe results of clinical examination, diagnostic imaging and necropsy findings, and reported outcome in horses with CVM. Design —Retrospective case-control study. Animals —270 horses with CVM and 608 control horses admitted to 6 veterinary hospitals from 1992 through 2007. Procedures —Medical records of participating hospitals were reviewed to identify horses with CVM (ie, case horses) and contemporaneous control (non-CVM-affected) horses that were admitted for treatment. Signalment was compared between case horses and control horses. Results of clinical examination, laboratory and diagnostic imaging findings, necropsy results, and outcome were assessed for horses with CVM. Results —Case horses were younger (median age, 2 years) than were control horses (median age, 7 years). Thoroughbreds, warmbloods, and Tennessee Walking Horses were overrepresented in the CVM group. Gait asymmetry and cervical hyperesthesia were frequently detected in horses with CVM. Vertebral canal stenosis and articular process osteophytosis were commonly observed at necropsy; agreement between the results of radiographic or myelographic analysis and detection of lesions at necropsy was 65% to 71% and 67% to 78%, respectively. Of 263 horses with CVM for which outcome was recorded, 1 died and 172 (65.4%) were euthanatized. Conclusions and Clinical Relevance —Odds of a diagnosis of CVM were greater in young horses and horses of specific breeds. Detection of gait asymmetry and cervical hyperesthesia were frequently reported in association with CVM. Accurate diagnosis of lesions associated with CVM by use of radiography and myelography can be challenging. ( J Am Vet Med Assoc 2010;237:812-822)
    Type of Medium: Online Resource
    ISSN: 0003-1488
    URL: Article
    DOI: 10.2460/javma.237.7.812
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2010
    detail.hit.zdb_id: 2904887-4
    SSG: 22
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  • 5
    Online Resource
    Online Resource
    What Is Your Diagnosis?
    American Veterinary Medical Association (AVMA) ; 2014
    In:  Journal of the American Veterinary Medical Association Vol. 245, No. 7 ( 2014-10-01), p. 757-759
    Details
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 245, No. 7 ( 2014-10-01), p. 757-759
    Type of Medium: Online Resource
    ISSN: 0003-1488
    URL: Article
    DOI: 10.2460/javma.245.7.757
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2014
    detail.hit.zdb_id: 2904887-4
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  • 6
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    Online Resource
    Retrospective evaluation of the causes and distribution of lameness in beef and dairy cattle evaluated by ambulatory and in-house clinical services at a North American veterinary teaching hospital
    American Veterinary Medical Association (AVMA) ; 2023
    In:  Journal of the American Veterinary Medical Association ( 2023-04-21), p. 1-6
    Details
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), ( 2023-04-21), p. 1-6
    Abstract: To describe the causes and distribution of lameness in beef and dairy cattle presenting to either a primary care ambulatory or in-house clinical service at a veterinary teaching hospital. SAMPLE This retrospective clinical case study was conducted by reviewing hospital admissions of beef and dairy cattle seen by in-house or ambulatory clinicians at a veterinary teaching hospital from 2001 to 2021. PROCEDURES Final diagnosis was recorded and, when available, the affected limb, whether a lesion was localized to the digit, and the affected claw were also recorded. Data were stratified by location of initial evaluation (ambulatory vs in hospital), period of presentation, production class, age, sex, and whether the final diagnosis was infectious or noninfectious. RESULTS Overall, 2,220 animals met criteria for inclusion in the study. The most common diagnoses were noninfectious in nature and affected a hind limb more often than a forelimb. More than 82% of all cattle had lameness localized to the digit, with the lateral claw being affected more than 80% of the time. CLINICAL RELEVANCE Lameness is an important concern from both a humane and economic standpoint. The results of this study will help with the diagnosis and prevention of lameness in beef and dairy cattle of different ages and production classes.
    Type of Medium: Online Resource
    ISSN: 0003-1488
    URL: Article
    DOI: 10.2460/javma.22.11.0506
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2023
    detail.hit.zdb_id: 2904887-4
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  • 7
    Online Resource
    Online Resource
    What Is Your Diagnosis?
    American Veterinary Medical Association (AVMA) ; 2014
    In:  Journal of the American Veterinary Medical Association Vol. 244, No. 11 ( 2014-06-01), p. 1247-1249
    Details
    In: Journal of the American Veterinary Medical Association, American Veterinary Medical Association (AVMA), Vol. 244, No. 11 ( 2014-06-01), p. 1247-1249
    Type of Medium: Online Resource
    ISSN: 0003-1488
    URL: Article
    DOI: 10.2460/javma.244.11.1247
    Language: Unknown
    Publisher: American Veterinary Medical Association (AVMA)
    Publication Date: 2014
    detail.hit.zdb_id: 2904887-4
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  • 8
    Online Resource
    Online Resource
    Retrospective Comparison of Gastrosplenic Entrapment of the Small Intestine to Other Strangulating Small Intestinal Lesions in Adult Horses
    Wiley ; 2015
    In:  Veterinary Surgery Vol. 44, No. 5 ( 2015-07), p. 535-539
    Details
    In: Veterinary Surgery, Wiley, Vol. 44, No. 5 ( 2015-07), p. 535-539
    Abstract: To compare clinical data of horses with entrapment of the small intestine by the gastrosplenic ligament (ESIGL) to clinical data of horses with other strangulating small intestinal lesions. Study Design Retrospective case series. Methods Medical records (January 2001–December 2011) of horses that had exploratory celiotomy for acute abdominal pain associated with strangulating small intestinal lesions were reviewed. Signalment, physical examination findings, clinicopathologic variables, surgical findings and surgical procedures performed, postoperative data and short‐term survival were recorded. Results Clinical findings included excessive nasogastric reflux and abnormal abdominal fluid. Horses with ESIGL were significantly more likely to require intestinal resection and anastomosis and produced significantly less reflux postoperatively than horses with other strangulating small intestinal obstructions. Geldings were significantly more likely to develop ESIGL than mares or stallions. Quarter Horse or Quarter Horse type breeds were predisposed to ESIGL. Survival to hospital discharge in horses with ESIGL (16/22; 72.7%) was significantly higher than that of horses with other strangulating small intestinal obstructions (92/183; 50%). Conclusions ESIGL was more prevalent in this population of horses evaluated for acute abdominal pain than in previous studies, accounting for 10.7% of all horses with strangulating small intestinal lesions. Geldings and Quarter Horse or Quarter Horse related breeds are predisposed to this condition. The prognosis for survival to hospital discharge was fair to good.
    Type of Medium: Online Resource
    ISSN: 0161-3499 , 1532-950X
    URL: Issue
    URL: Article
    DOI: 10.1111/vsu.v44.5
    DOI: 10.1111/j.1532-950X.2014.12235.x
    Language: English
    Publisher: Wiley
    Publication Date: 2015
    detail.hit.zdb_id: 1491071-8
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  • 9
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    Systematic review and meta-analysis comparing arrival versus delayed vaccination of high-risk beef cattle with 5-way modified-live viral vaccines against BHV-1, BRSV, PI3, and BVD types 1 and 2
    Texas A&M University Libraries ; 2019
    In:  The Bovine Practitioner ( 2019-02-01), p. 1-7
    Details
    In: The Bovine Practitioner, Texas A&M University Libraries, ( 2019-02-01), p. 1-7
    Abstract: Bovine respiratory disease (BRD) is a major economic and welfare concern of the beef cattle industry. Various approaches to vaccination against the major viral pathogens have been investigated, including timing. It is thought that beef cattle entering feedlots may not be able to adequately respond to vaccination due to the stresses of shipping and processing. A meta-analysis was performed to compare the effectiveness of on-arrival vaccination to vaccination delayed 7 or more days following arrival, using a modified-live viral (MLV) vaccine against bovine herpesvirus-1 (BHV-1 ), bovine respiratory syncytial virus (BRSV), parainfluenza-3 (PI3), and bovine viral diarrhea types 1 and 2 (BVD 1 and 2), on outcomes of BRO morbidity, retreatment risk, and mortality. Eight studies were identified comparing vaccination timing in feedlot cattle via literature search. Mantel-Haenzsel risk ratios were calculated for each outcome, and Forest plots were constructed. In the studies identified, there was no difference in BRD morbidity risk, retreatment risk, or BRD mortality between calves vaccinated at arrival or delayed. Based on the data from the studies analyzed, it would not appear that there is an advantage or disadvantage in terms or morbidity, retreatment risk, or mortality in delaying vaccination.
    Type of Medium: Online Resource
    ISSN: 0524-1685
    URL: Article
    DOI: 10.21423/bovine-vol53no1p1-7
    Language: Unknown
    Publisher: Texas A&M University Libraries
    Publication Date: 2019
    detail.hit.zdb_id: 3112158-5
    SSG: 22
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  • 10
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    Online Resource
    Assessment of effectiveness of deworming options in recently weaned beef cattle utilizing different anthelmintic programs in the southeast
    Oxford University Press (OUP) ; 2022
    In:  Translational Animal Science Vol. 6, No. 4 ( 2022-10-01)
    Details
    In: Translational Animal Science, Oxford University Press (OUP), Vol. 6, No. 4 ( 2022-10-01)
    Abstract: This study evaluated the effects of three different anthelmintic strategies on animal performance and anthelmintic effectiveness in weaned calves during a 42-d preconditioning period. The study was conducted at four locations over 2 yr and included a total of 797 recently weaned spring-born calves (initial BW 260 ± 37.7 kg). At the start of each year, at each location, calves were weaned and randomly assigned to one of four treatments: 1) oxfendazole (ORAL); 2) transdermal eprinomectin (POUR); 3) both anthelmintic treatments (BOTH); and 4) the control (CONT) group who did not receive treatment. Anthelmintic was applied per the manufacturer recommendation, the transdermal eprinomectin was administered at 1 mL per 10 kg and oxfendazole was administered orally at 1 mL per 50 kg. Weights were measured at the start of the study (day 0) and again at the end of the preconditioning phase (day 42). Fecal samples were collected at the start of the study prior to treatment application (day 0) and again on day 14. Rumen fluid was collected at the start of the study prior to treatment (day 0) and again on day 6. There were treatment effects for all performance metrics (P & lt; 0.001). All treatments had greater weight gain and value of weight gained (P & lt; 0.024), and all three strategies did not differ from each other (P & gt; 0.420). On day 0, there were no (P = 0.795) treatment effects detected for fecal eggs per gram (EPG) counts. On day 14, there were (P & lt; 0.001) treatment effects for EPG counts with feces from CONT calves containing greater (P & lt; 0.014) EPG than feces from treated calves. EPG in feces from BOTH calves did not differ (P & gt; 0.123) from the other two treated groups and feces from POUR calves tended (P = 0.052) to contain greater EPG counts than feces from ORAL calves. Volatile fatty acids were similar across treatments on days 0 and 6 (P & gt; 0.115). Butyrate tended (P = 0.063) to be lower in ORAL on day 6. These results suggest that using eprinomectin and oxfendazole in combination was an effective strategy for reducing EPG and improving performance during a 42-d preconditioning phase.
    Type of Medium: Online Resource
    ISSN: 2573-2102
    URL: Article
    DOI: 10.1093/tas/txac148
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2022
    detail.hit.zdb_id: 2880940-3
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