American journal of veterinary research最新文献

{"title":"Proteoglycan 4 is expressed in equine flexor tendons and tendon sheaths, with greater synovial fluid lubricin in tendon sheaths with tendon injury.","authors":"Matthew J Woodman, Matthew A Thomas, Marshall J Colville, Sushmitha Durgam, Sean P McDonough, Heidi L Reesink","doi":"10.2460/ajvr.25.07.0237","DOIUrl":"https://doi.org/10.2460/ajvr.25.07.0237","url":null,"abstract":"<p><strong>Objective: </strong>To describe proteoglycan 4 (PRG4) expression, lubricin tissue distribution, and lubricin synovial fluid concentrations in healthy and injured equine flexor tendons and tenosynovial structures.</p><p><strong>Methods: </strong>Synovial fluid and tissues were collected over the span of 1 year. Proteoglycan 4 expression was quantified using quantitative real-time PCR, lubricin synovial fluid concentrations were measured using ELISAs, and lubricin tissue distribution was evaluated with immunohistochemistry. Histology and quantitative real-time PCR data for healthy samples were analyzed using paired t tests, repeated-measures ANOVA, or nonparametric equivalents, and ELISA data for healthy and injured horses were evaluated using mixed linear models.</p><p><strong>Results: </strong>Samples were obtained from 16 horses without tendon injury and 11 horses with tendon injury (n = 27 horses total). Proteoglycan 4 was expressed in equine superficial digital flexor tendon, deep digital flexor tendon, manica flexoria, and tendon sheath synovial membrane tissues, with the greatest expression in the synovial membrane and manica flexoria.</p><p><strong>Conclusions: </strong>Lubricin immunohistochemical staining was similar between the healthy superficial digital flexor tendon and deep digital flexor tendon, with more intense staining in epitenon regions and intrasynovial locations. Synovial fluid lubricin concentrations were greater in sheaths with tendon injury (839.4 vs 184.7 µg/mL), and lubricin staining was greater at sites of tendon injury.</p><p><strong>Clinical relevance: </strong>Lubricin/PRG4 is present in equine flexor tendons and tendon sheaths, with more intense immunostaining in intrasynovial locations and at sites of tendon injury as a possible reparative response to maintain tendon elasticity and gliding function.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":"1-11"},"PeriodicalIF":1.4,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145211429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cache Valley virus serologically identified in sheep with congenitally malformed lambs in Alabama.","authors":"Hannah E Maxwell, Dane W Schwartz, Alyona Michael, Katelyn Waters, Jessica B Rush","doi":"10.2460/ajvr.25.06.0213","DOIUrl":"10.2460/ajvr.25.06.0213","url":null,"abstract":"<p><strong>Objective: </strong>To report serological identification of Cache Valley virus (CVV) in ewes from Auburn, Alabama.</p><p><strong>Animals: </strong>6 ewes and 1 ram from the teaching flock at Auburn University College of Veterinary Medicine were tested for CVV via virus neutralization. From October through November 2024, 3 ewes underwent Cesarean sections, with 2 lambs delivered from each ewe. Severe musculoskeletal deformities in 3 of the 6 lambs, delivered from 2 of the ewes that underwent Cesarean sections, prompted investigation into a causative agent.</p><p><strong>Clinical presentation: </strong>3 of the 6 lambs were clinically normal, but 3 of the lambs demonstrated severe arthrogryposis, kyphosis, and scoliosis and were humanely euthanized. Upon necropsy, affected lambs had severe internal hydrocephalus with severe cerebellar hypoplasia and marked atrophy of the spinal cord.</p><p><strong>Results: </strong>Of the 7 sheep in the teaching flock, all 6 ewes tested positive for CVV titers via virus neutralization, whereas the ram tested negative. Two ewes had deformed lambs, 1 had normal lambs, and the other 3 were open following a controlled breeding period with the ram. All ewes and the ram remained healthy throughout breeding and lambing, and the 3 unaffected lambs were raised to weaning normally.</p><p><strong>Clinical relevance: </strong>This case series documents the spread of CVV in the US and highlights the validity of testing for CVV in flocks experiencing characteristic congenital malformations. Veterinarians must consider CVV as a differential even in previously nonendemic regions.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":"1-6"},"PeriodicalIF":1.4,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145211443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Markers of inflammation and infection are associated with prolonged recovery in dogs emaciated from long-term inadequate nutrition.","authors":"Sylvia M Lesnikowski, Sharon Pailler, Emily G Patterson-Kane","doi":"10.2460/ajvr.25.05.0155","DOIUrl":"https://doi.org/10.2460/ajvr.25.05.0155","url":null,"abstract":"<p><strong>Objective: </strong>To characterize the presentation of underweight dogs suffering from long-term inadequate nutrition (LTIN) in suspected cases of animal cruelty, evaluates the efficacy of a feeding protocol, and investigates factors associated with prolonged recovery.</p><p><strong>Methods: </strong>This was a retrospective review of records evaluating 246 emaciated adult dogs involved in suspected cases of animal cruelty from January 1, 2015, through December 31, 2020. Data, including history, weight, clinical signs, parasite test results, hematologic, and urinalysis results, were extracted from the records. Logistic regression models were used to identify significant predictors of delayed weight gain.</p><p><strong>Results: </strong>Most cases were pit bull-type dogs (180 of 246 [73.2%]) with a body condition score of 1/9 (145 of 246 [58.9%]). No dogs died from medical issues related to LTIN. The mean time for dogs to regain 20% body weight was 4.4 weeks, and the mean time for 30% weight gain was 6.4 weeks. In a multivariable analysis, dogs with hyperglobulinemia and neutrophilia were more likely to take more than 4 weeks to reach 20% of their intake body weight, and dogs with hyperglobulinemia and monocytosis were more likely to take more than 6 weeks to reach 30% of their intake body weight.</p><p><strong>Conclusions: </strong>This feeding protocol resulted in successful weight gain in dogs that were emaciated due to LTIN. Indicators of inflammation and/or infection were associated with a longer recovery time.</p><p><strong>Clinical relevance: </strong>Since this feeding protocol resulted in successful weight gain without adverse outcomes, it is recommended for dogs with LTIN.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":"1-7"},"PeriodicalIF":1.4,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145211416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development and validation of a sandwich ELISA for measurement of angiotensinogen concentration in canine urine and serum.","authors":"Jane H C Huang, Bianca N Lourenço, Canaan Whitfield-Cargile","doi":"10.2460/ajvr.25.07.0231","DOIUrl":"10.2460/ajvr.25.07.0231","url":null,"abstract":"<p><strong>Objective: </strong>To develop and analytically validate a sandwich ELISA that measures angiotensinogen concentration in canine urine and serum samples.</p><p><strong>Methods: </strong>Serum (n = 4) and urine (10) samples submitted to a clinical pathology laboratory were used for assay development. Recombinant canine angiotensinogen and both rabbit-derived polyclonal and mouse-derived monoclonal antibodies against it were obtained from a commercial source. A sandwich ELISA was developed and validated via assessment of precision, limit of blank, dilutional linearity, recovery, and cross-reactivity with albumin and angiotensin II.</p><p><strong>Results: </strong>Intra- and interassay variability ranged from 8.31% to 14.52% and 1.88% to 16.87%, respectively. The limit of blank of the assay was 1.01 ng/mL, which was lower than all observed concentrations in 4 serum (27,130 to 64,690 ng/mL) and 10 urine (3.24 to 8,970.24 ng/mL) samples. Both serum and urine demonstrated ideal dilutional linearity following 2-fold serial dilutions (R2 > 0.99). The assay showed moderate recovery (61.8% to 113.9%). Minimal cross-reactivity was observed with albumin and angiotensin II, as both yielded values below the assay's limit of blank.</p><p><strong>Conclusions: </strong>The angiotensinogen ELISA we developed is precise, linear, and sufficiently sensitive for measuring angiotensinogen in the urine and serum of domestic dogs.</p><p><strong>Clinical relevance: </strong>Urinary angiotensinogen quantification is a promising noninvasive marker of intrarenal renin-angiotensin system activity in humans and rodents; this assay enables evaluation of its utility in dogs.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":"1-7"},"PeriodicalIF":1.4,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145181805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prophylactic use of canine parvovirus monoclonal antibody induces blockade of vaccinal canine parvovirus immunization similar to maternally derived passive immunity.","authors":"Laurie Larson, Jason Hansen, Prakash Ramasami, Jennifer M Miller, Barton J Slagter, Danielle Tremblay, Mayur Patel, Terri Wasmoen","doi":"10.2460/ajvr.25.07.0233","DOIUrl":"https://doi.org/10.2460/ajvr.25.07.0233","url":null,"abstract":"<p><strong>Objective: </strong>To determine initial antibody titer, degradation profile, and duration of passive antibody blockade of active immunization by modified-live viral (MLV) canine parvovirus (CPV-2) vaccine following CPV monoclonal antibody (CPMA) prophylactic subcutaneous (SC) administration to CPV-2-naïve puppies.</p><p><strong>Methods: </strong>Purpose-bred, CPV-2-seronegative male and female Beagle dogs, 7 to 8 weeks of age, were randomized to CPMA treatment (n = 13) and control (7) groups. Dogs were commingled and group housed in a shower-in/shower-out facility. At study day 0, dogs were administered either 0.1 mL/kg body weight CPMA SC or an equivalent volume of saline. Sera collected weekly over 140 days were assayed via hemagglutination inhibition and serum virus neutralization. All dogs were administered a commercially available MLV vaccine containing CPV-2 in combination with other core vaccine viruses at 3-week time points beginning at study day 42.</p><p><strong>Results: </strong>All control dogs remained seronegative through day 42 and seroconverted to CPV-2 after the initial dose of MLV vaccine. By study day 1, the CPMA-treated group showed a mean passive hemagglutination inhibition titer of 1,674. The average degradation rate was calculated at R2 = 0.97, with a mean half-life of 18.9 days. Twelve of 13 (92%) in the treated group seroconverted after a fourth vaccination on day 105.</p><p><strong>Conclusions: </strong>Prophylactic CPMA at 0.1 mL/kg body weight SC can block active CPV-2 immunization for 15 weeks when given to seronegative puppies.</p><p><strong>Clinical relevance: </strong>Initial puppy vaccination series should be extended after CPMA prophylactic use.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":"1-10"},"PeriodicalIF":1.4,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145181854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The use of radioulnar ultra-high-molecular-weight polyethylene suture shows promise in surgical treatment of dogs with type 1 congenital elbow luxation.","authors":"Wye Li Chong, Stefan Gouws, Kieri Jermyn, Rui Sul, Jacob Michelsen, Louisa Ho Eckart","doi":"10.2460/ajvr.25.07.0246","DOIUrl":"https://doi.org/10.2460/ajvr.25.07.0246","url":null,"abstract":"<p><strong>Objective: </strong>To describe the surgical outcomes of 4 dogs that received corrective surgery for type 1 congenital elbow luxation (CEL).</p><p><strong>Animals: </strong>4 client-owned dogs from a private referral practice (February 2022 through June 2023).</p><p><strong>Clinical presentation: </strong>4 dogs presented with left-sided type 1 CEL. Median age was 20 weeks, and median weight was 13.4 kg.</p><p><strong>Results: </strong>3 cases showed caudolateral luxation and 1 case showed caudal luxation of the radial head. Two cases were corrected using open reduction and radioulnar ultra-high-molecular-weight polyethylene (UHMWPE) suture. Two cases were corrected by closing radial wedge ostectomy, followed by open reduction and radioulnar UHMWPE suture. Intraoperative complications included incomplete reduction of the radial head in 1 case. No major complications were recorded. Minor complications included dystrophic mineralization at the caudal aspect of the proximal ulna in 2 cases. Full function was achieved in 3 dogs, whereas acceptable function was achieved in 1 dog at a median of 499.5 days.</p><p><strong>Clinical relevance: </strong>This case series supports that using radioulnar UHMWPE suture, either alone or combined with a closing radial wedge ostectomy, may be an effective way to maintain humeroradial joint reduction in type 1 CEL, with encouraging functional outcomes.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":"1-6"},"PeriodicalIF":1.4,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145147520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Xenogen-free media provide variable equine mesenchymal stromal cell expansion after a 7-day culture period.","authors":"Maureen K Larson, Caitlin Gaffney, Cherise Hoagland, Judith Jayawickrama, J Lacy Kamm","doi":"10.2460/ajvr.25.03.0109","DOIUrl":"https://doi.org/10.2460/ajvr.25.03.0109","url":null,"abstract":"<p><strong>Objective: </strong>To determine the xenogen-free serum source that provides the greatest number of live equine mesenchymal stromal cells (MSCs) while maintaining the MSC phenotype.</p><p><strong>Methods: </strong>Equine bone marrow-derived MSCs from 8 horses were cultured for 7 days in media containing one of the following serum treatments: 10% xenogeneic serum, 10% or 20% commercial allogeneic equine serum, 10% autologous serum, 10% equine pooled platelet lysate (PPL), or a staged media reduction of xenogeneic media. Live cell numbers, MSC viability, and MSC immunophenotype were compared.</p><p><strong>Results: </strong>The use of 10% commercial allogeneic equine serum in media resulted in a significant decrease in live MSC count compared to xenogeneic serum (P = .01; 95% CI, -244,766 to -48,038). Autologous serum, staged reduction, and PPL had no significant difference in live MSC number collected at day 7 as compared to xenogeneic serum. There were no significant differences in cell count due to the horse's age group. Viability was significantly greater using PPL than all other xenogen-free serums across the < 10-year and ≥ 10-year age groups. Mesenchymal stromal cells from all treatments were high in CD44, CD90, and major histocompatibility complex (MHC) I expression and low in CD45 and MHC II expression. Significant differences in CD44, CD45, CD90, MHC I, and MHC II expression levels were seen across treatment and age analysis.</p><p><strong>Conclusions: </strong>The use of PPL for MSC media in the final 7 days of culture allows for adequate expansion and viability of MSCs and maintenance of MSC immunophenotypic markers.</p><p><strong>Clinical relevance: </strong>MSCs can be cultured in nonxenogeneic media for 7 days prior to harvest.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":"1-9"},"PeriodicalIF":1.4,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145147458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preliminary clinical study of the arytenoid cartilage abduction grades after prosthetic laryngoplasty with cricoarytenoideus dorsalis myectomy in racehorses.","authors":"Mauro Verna, Fernando N Amitrano, Zachary J Boeder","doi":"10.2460/ajvr.25.03.0075","DOIUrl":"https://doi.org/10.2460/ajvr.25.03.0075","url":null,"abstract":"<p><strong>Objective: </strong>To assess the clinical impact of the cricoarytenoideus dorsalis (CAD) myectomy in the short- and long-term postoperative abduction grade in racehorses.</p><p><strong>Methods: </strong>Records from horses presented for surgical treatment of recurrent laryngeal neuropathy from January 2019 through December 2023 were divided into 2 groups: horses that received standard prosthetic laryngoplasty and horses that received a complete myectomy of the CAD (modified myectomy laryngoplasty). Outcomes were compared through endoscopic evaluation after anesthetic recovery, both short term (7 to 10 days) and long term (80 to 90 days). A retrospective review of clinical records was conducted, supplemented by a telephone questionnaire, designed to assess athletic performance and return to racing.</p><p><strong>Results: </strong>There was a significantly higher grade of recurrent laryngeal neuropathy among older horses (4 to 5 years) compared to younger horses (2 to 3 years) at presentation. Age, however, did not influence the long-term outcomes. The modified myectomy laryngoplasty group exhibited significantly better long-term endoscopy grades, with 62.6% maintaining grade 2 abduction and superior grade retention (mean, 2.38) compared to those with PL alone (mean, 3.13).</p><p><strong>Conclusions: </strong>Results support the hypothesis that removing the CAD muscle during surgery will minimize the dynamic impact to the prosthesis postoperative and decrease the likelihood of early and long-term loss of arytenoid abduction.</p><p><strong>Clinical relevance: </strong>Clinical findings can serve as reference point for future research to quantify the impact of CAD muscle in the loss of arytenoid abduction post operative in racehorses.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":"1-8"},"PeriodicalIF":1.4,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145147447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Committed to supporting veterinary technicians.","authors":"Elizabeth Burchette Thompson","doi":"10.2460/ajvr.86.10.editorial","DOIUrl":"https://doi.org/10.2460/ajvr.86.10.editorial","url":null,"abstract":"","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":"86 10","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145211411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The new Health-Related Quality of Life in Dog Chronic Kidney Disease Questionnaire demonstrates reliability and validity for use in canine clinical trials.","authors":"Andrea Wright, Chloe Howse, George Skingley, George Valiakos, Ioulia Chortara, Mollie Lowe, Mary Nabity, Jonathan Elliott, Jan Stochl, Aoife Mahon-Smith","doi":"10.2460/ajvr.25.02.0051","DOIUrl":"https://doi.org/10.2460/ajvr.25.02.0051","url":null,"abstract":"<p><strong>Objective: </strong>To develop and validate an owner-reported questionnaire designed to measure health-related quality of life (HRQoL) in dogs with chronic kidney disease (CKD).</p><p><strong>Methods: </strong>This noninterventional study followed best practice guidance for instrument development. Draft items were initially identified through a qualitative literature and social media review. Concept elicitation and cognitive debriefing interviews with owners of dogs with CKD further informed item development and modification. Psychometric properties were then evaluated in a larger sample, alongside 2 global items assessing the dog's HRQoL from the owner's and veterinarian's perspective. Expert veterinarian input was provided throughout.</p><p><strong>Results: </strong>Owners of 11 dogs with CKD were recruited for interviews, and owners of 279 dogs with CKD were recruited for psychometric evaluation. Forty-eight signs and behaviors of CKD were identified from the literature and social media review; an additional 13 concepts were identified in the qualitative interviews. The final questionnaire comprised 13 items assessing observable HRQoL impacts of CKD in dogs and demonstrated reliability and validity in terms of psychometric properties. Factor and item response theory analyses confirmed the questionnaire's unidimensional structure. High internal consistency (Cronbach alpha = 0.89; McDonald omega = 0.89), moderate to good test-retest reliability (≥ 0.73), and strong convergent validity evidence were found. The questionnaire demonstrated the ability to discriminate between early International Renal Interest Society stages and different levels of owner- and veterinarian-reported overall dog HRQoL.</p><p><strong>Conclusions: </strong>This is the first psychometrically validated questionnaire assessing HRQoL in canine CKD.</p><p><strong>Clinical relevance: </strong>The measure is fit for purpose for use in canine CKD both in clinical trials and veterinary practice.</p>","PeriodicalId":7754,"journal":{"name":"American journal of veterinary research","volume":" ","pages":"1-9"},"PeriodicalIF":1.4,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145124156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}