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  • Original Article 2024-03-30

    0 185 45

    Assessment of radiographic left atrial dimension and C-reactive protein in dogs with myxomatous mitral valve disease

    Jihee Hong , Han-Joon Lee , Dong-Kwan Lee , Kun-Ho Song

    Korean J. Vet. Serv. 2024; 47(1): 1-7 https://doi.org/10.7853/kjvs.2024.47.1.1
    Abstract

    Abstract : Radiographic left atrial dimension (RLAD) is a valuable metric for assessing left atrial enlargement in dogs. While there have been studies on the use of RLAD and the increase in C-reactive protein (CRP) levels based on heart disease stages, there has been no prior research on the correlation between RLAD and CRP. In this study, the objective was to investigate the relationship between the rise in RLAD as myxomatous mitral valve disease (MMVD) stages advance and the increase in CRP levels with MMVD stage progression. In this study, a total of 30 small-breed dogs were included as subjects. These dogs were diagnosed with MMVD at the American College of Veterinary Internal Medicine (ACVIM) stage B1 or B2, or stage C, based on a comprehensive assessment including physical examination, thoracic radiography, and echocardiography. Measurements of VHS and RLAD were compared to assess any significant differences. There were significant differences in RLAD between dogs with MMVD ACVIM stage B1 and those with stage C. The monocytes and CRP levels showed significant differences between ACVIM stage B1, B2 and ACVIM C. Additionally, a significant correlation was observed between the RLAD and VHS measurements. This underscores the notable association between MMVD stage advancement and elevated monocyte and CRP levels. The RLAD scores exhibited a significant difference among dogs with ACVIM stages B1, B2, and C, and significant variations were also observed in monocyte and CRP levels. These results suggest that monocyte and CRP levels may be a valuable diagnostic indicator for heart disease in dogs during the diagnostic evaluation.

  • Original Article 2024-03-30

    0 187 48

    Sequence analysis of spike genes of porcine epidemic diarrhea virus (PEDV) from Jeonbuk province

    Mi Seon Kang , Woo Ri Jung , Seung Hyuck Yang , Keum Suk Chu

    Korean J. Vet. Serv. 2024; 47(1): 9-17 https://doi.org/10.7853/kjvs.2024.47.1.9
    Abstract

    Abstract : Porcine epidemic diarrhea (PED) is a highly contagious enteric viral disease of pigs with watery diarrhea in piglets, which ultimately results in huge economic losses in the swine industry. The spike (S) protein plays an important role in viral pathogenicity, tissue tropism, infection, dissemination and the trypsin-dependent proliferation of the PED virus (PEDV). In the present study, we determined the full-length spike (S) gene sequences of twenty PEDV field strains detected in Jeonbuk province in 2022. Phylogenetic analysis showed that the twenty PEDV field strains were classified into G2b group and shared 98.6∼100% of nucleotide homology and 97.4∼100% of amino acid homology with each other. Mutations of amino acid sequences on the neutralizing epitope of S protein were observed in the twenty field strains compared to the previous vaccine strain SM-98-1 (G1a group). Therefore, these amino acid mutations in the PEDV S protein may result in a new genotype of the virus and highly pathogenic virus, so continuous monitoring is required.

  • Original Article 2024-03-30

    0 217 38

    Clinical efficacy of L. plantarum, L. reuteri, and Ped. acidilactici probiotic combination in canine atopic dermatitis

    Hye-Kang Jung, Jae-Hun Kim , Jeseong Park , Yeonhee Kim , Minn Sohn , Chul Park

    Korean J. Vet. Serv. 2024; 47(1): 19-26 https://doi.org/10.7853/kjvs.2024.47.1.19
    Abstract

    Abstract : Canine atopic dermatitis (CAD) is an inflammatory and pruritic skin disease with a genetic predisposition, characterized by allergic sensitivity. It is known for its distinctive clinical features, including a high recurrence rate and chronic progression. To manage CAD, medications such as steroids and immunosuppressants are commonly used, but consideration should be given to the potential resistance and side effects associated with long-term use. In order to reduce these risks, various adjunctive factors are currently under consideration. One of these adjunctive agents, probiotics have shown effectiveness in regulating atopic dermatitis by modulating immune responses, as demonstrated in several recent studies. In this study, a substance combining three probiotics—L. plantarum, L. reuteri, and Ped. Acidilactici—was used in patients diagnosed with CAD, and its clinical effects and safety were evaluated. The trial involved four groups: a group receiving conventional treatment for atopic dermatitis (A), a group prescribed low-dose probiotics (B), a group prescribed high-dose probiotics (C), and a group prescribed topical probiotics (D). For assessment, the Canine Atopic Dermatitis Extent and Severity Index (CADESI), Trans-Epidermal Water Loss (TEWL) test, gut microbiome, and serum IgE test were conducted. As a result, the CAD severity index (CADESI-4) significantly decreased in the probiotics groups (B & C). In the serum total IgE test, the groups consuming probiotics showed a significant difference, while the group using topical probiotics (D) did not exhibit a significant change. Also, the TEWL test showed improved scores in the probiotics groups (B & C). Therefore, L. plantarum, L. reuteri, and Ped. Acidilactici probiotic combination could be considered as an effective adjunctive treatment, especially for atopic patients with moderate to severe skin lesions.

  • Original Article 2024-03-30

    0 160 39

    Study on antimicrobial resistance and detection of MRSA of Staphylococcus aureus isolated from carcass in Daegu slaughterhouses

    Hyun-Sook Lim , Dong-Keun Suh , Hwan-Deuk Kim , Hye-Hwa Lee , Jeong-Mi Kim , MiHa Im , Jae-Keun Cho

    Korean J. Vet. Serv. 2024; 47(1): 27-33 https://doi.org/10.7853/kjvs.2024.47.1.27
    Abstract

    Abstract : At the present study, it was aimed to explore the states of antimicrobial resistant Staphylococcus aureus isolates from 1,360 chickens, pigs and cattle carcass (400 chickens, 480 pigs and 480 cattle) in Daegu province from January 2022 to December 2022. Among 1,360 samples, 81 of S. aureus were isolated cattle (1.4%), pigs (7.7%) and chickens (9.2%). In antimicrobial susceptibility test, all of the isolates were demonstrated susceptibility to rifampin. But the isolates were showed resistance other antibiotics in order of tetracycline (62.9%), ciprofloxacin (62.9%), tobramycin (58.0%), gentamicin (51.8%), amikacin (40.7%), penicillin (39.5%), clindamycin (35.8%), enrofloxacin (33.3%), trimethoprim/sulfamethoxazole (30.8%), oxacillin (30.8%), minocycline (29.6%), erythromycin (25.9%), quinupristin/dalfopristin (20.9%), chloramphenicol (12.3%), cefoxitin (9.8%). Among the 81 S. aureus isolates, 25 (30.8%) methicillin-resistant staphylococcus aureus (MRSA) were observed. Seven (28.0%) of 25 MRSA harbored mecA gene. About 96% of MRSA were multidrug resistance to at least 3 more drugs. A continuous monitoring and surveillance program to prevent antimicrobial resistance in livestock products is demanded.

  • Short Communication 2024-03-30

    0 147 67

    The effect of hoof trimming on milk yield, rumination time, and activity in Holstein and Jersey cows

    Mooyoung Jung , Seogjin Kang , Seungmin Ha

    Korean J. Vet. Serv. 2024; 47(1): 35-40 https://doi.org/10.7853/kjvs.2024.47.1.35
    Abstract

    Abstract : Hoof health management plays an important role in dairy farms because lameness can impact productivity via decreased milk yield, reproduction rate, and increased culling rate. Regular hoof trimming can help reduce the incidence of hoof diseases in dairy cows. However, its effects on healthy dairy cows remain unclear. This study investigated the effects of hoof trimming on milk yield, rumination time, and activity in healthy Holstein and Jersey cows. Fourteen cows (7 Holstein and 7 Jersey) without lameness were used in this study. We trimmed the cows and collected data from 3 days prior to 9 days after hoof trimming. Milk yield, rumination time, and activity were measured using automatic milking and health monitoring systems. Milk yield and rumination time decreased, whereas activity level increased on the trimming day compared to the previous days in both breeds, although the difference was not significant. On the days after hoof trimming, milk yield, rumination time, and activity recovered to normal. Especially in Holstein cows, a temporary increase in milk yield was observed compared to that in the pre-trimming period. Hoof trimming did not negatively affect the productivity of dairy cows of either breed. Furthermore, productivity can temporarily increase.

  • Short Communication 2024-03-30

    0 182 47

    Molecular screening of Feline bocaviruses (FBoVs) from captured wild felids in Korea

    Yong-Gu Yeo , Jong-Min Kim , Hye-Ryung Kim , Jonghyun Park , Jung-Hoon Kwon , Oh-Deog Kwon , Choi-Kyu Park

    Korean J. Vet. Serv. 2024; 47(1): 41-48 https://doi.org/10.7853/kjvs.2024.47.1.41
    Abstract

    Abstract : Feline bocavirus (FBoV) is considered an emerging pathogen recently identified in domestic cats worldwide. To date, three species of FBoVs (FBoV-1, FBoV-2, and FBoV-3) have been reported, but there are no reports identifying FBoVs in Korea. In this study, we detected novel FBoVs for the first time in Korea in captive wild felids (four European lynx and a lion) kept at Seoul Zoo. In FBoV-positive fecal samples, not only singular infections but also dual or triple infections with three different species of FBoVs were confirmed, suggesting that three species of FBoVs are already introduced and co-circulated in susceptible host animals in Korea. These results will help expand our understanding of the geographical distribution and host susceptibility of novel FBoVs. Further studies are necessary to determine the infection status of FBoVs in domestic cats and the genetic characteristics of the viruses circulating in Korea.

  • Case Report 2024-03-30

    0 159 54

    Recurrent odontogenic fibroma in a Formosan rock macaque (Macaca cyclopis)

    Yeonsu Oh , Jongwoog Choi , Ho-Seong Cho

    Korean J. Vet. Serv. 2024; 47(1): 49-53 https://doi.org/10.7853/kjvs.2024.47.1.49
    Abstract

    Abstract : The animal in this case report was a 10-year-old male Taiwanese monkey (Macaca cyclopis) kept at a zoo of South Korea. Over the last three years, a cauliflower-shaped masses have been noted on the gingiva near the incisor and molar teeth on right maxilla. Consequently, this monkey have undergone surgical removal of the mass annually. Grossly masses showed pinkish color. Histopathological findings, typical spindle cell tumor composed of collagen fibers. Infiltration by plasma cells and lymphocytes is found unrelated to ulceration of the surface epithelium. This is the first report of peripheral odontogenic fibroma in a Formosan rock macaque.

  • Case Report 2024-03-30

    0 180 37

    Closure of patent ductus arteriosus with a vascular plug in a German Shepherd dog

    Han-Joon Lee , Taehyung Kwon , Gyeonggook Park , Dong-Kwan Lee , Joong-Hyun Song , Kun-Ho Song

    Korean J. Vet. Serv. 2024; 47(1): 55-59 https://doi.org/10.7853/kjvs.2024.47.1.55
    Abstract

    Abstract : A 4-year-old, spayed female German Shepherd dog (GSD) weighing 22.4 kg was referred to Chungnam National University Veterinary Medicine Teaching Hospital with the chief complaint of a cardiac murmur. A continuous murmur was detected at the left basilar region upon auscultation. In the thoracic radiographs, slight bulging of the aorta, the main pulmonary artery, and the left atrium were observed. Echocardiography revealed continuous turbulent flow directed from the main pulmonary artery towards the pulmonary valve and consistently within the main pulmonary artery. Based on all the results, a diagnosis of type II A patent ductus arteriosus (PDA) was made, and plans were established to treat it with transcatheter occlusion. Transcatheter occlusion was performed using a vascular plug and successfully deployed at the PDA. The patient did not exhibit any complications. GSDs are relatively less common compared to small-breed dogs in South Korea. Considering that GSDs are predisposed to PDA, it is crucial to periodically assess the presence of PDA through auscultation and echocardiography, even in the absence of clinical signs. Transcatheter occlusion using a vascular plug can be an option for treatment and can yield favorable outcomes.

KJVS
Mar 30, 2024 Vol.47 No.1, pp. 1~7

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pISSN 1225-6552
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