Berliner und Munchener tierarztliche Wochenschrift最新文献

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Prevalence and resistance patterns of canine uropathogens in regard to concurrent diseases. 犬尿路病原体在并发疾病中的患病率和耐药模式。
IF 0.4 4区 农林科学
Maja Brložnik, Karmen Šterk, Irena Zdovc
{"title":"Prevalence and resistance patterns of canine uropathogens in regard to concurrent diseases.","authors":"Maja Brložnik,&nbsp;Karmen Šterk,&nbsp;Irena Zdovc","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Predisposing factors for different types of urinary tract infections (UTI) were evaluated and prevalence of causative agents and their resistance were identified. A prospective epidemiologic study (2007 to 2012) included 191 dogs with signs of urinary tract disease. Anamnestic data were collected and clinical examination, abdominal ultrasonography, urinalysis and aerobic bacteriologic urine culture were performed in all dogs. Other diagnostic procedures were conducted when indicated. UTI was more common in neutered female dogs, older dogs and dogs with concurrent diseases. Using culture as the gold standard, sensitivity of urine sediment examination to detect bacteriuria increased from 89.9% to 98.1% with staining and specificity increased from 69.8% to 96.4%. A single species of microorganism was isolated in 90.7%. Most common causative agents of UTI were E. coli (39.0% of isolates), staphylococci (27.3% of isolates), Proteus sp. (13.5% of isolates), and enterococci (8.5% of isolates). Prevalence of the causative agents varied in regard to sex and concurrent diseases. The causative agents were in 29.4% susceptible to all tested antimicrobials and were multi-drug resistant in 27.7%. All methicillin resistant Staphylococcus pseudintermedius (MRSP) strains were isolated in 2010-2012. Resistant bacteria were more common in dogs previously treated with antimicrobials. Due to increased specificity and sensitivity of urine sediment examination, staining the sediment in practice is mandatory. Data on uropathogens and their resistance in regard to concurrent diseases is of crucial importance for diagnosis, treatment and prevention of complications in dogs with UT. Wide intercountry variability in bacterial susceptibility has been confirmed. Also, the onset of MRSP urinary strains in the country has been identified.</p>","PeriodicalId":8761,"journal":{"name":"Berliner und Munchener tierarztliche Wochenschrift","volume":"129 7-8","pages":"340-50"},"PeriodicalIF":0.4,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34312493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Species composition of Malassezia yeasts in dogs in Slovakia. 斯洛伐克犬中马拉色菌的种类组成。
IF 0.4 4区 农林科学
Zuzana Sihelská, Peter Váczi, Eva Conková
{"title":"Species composition of Malassezia yeasts in dogs in Slovakia.","authors":"Zuzana Sihelská,&nbsp;Peter Váczi,&nbsp;Eva Conková","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Malassezia (M.) pachydermatis is the lipophilic yeast, which is normally present on the skin and in the ear canal of dogs but under certain conditions it may cause dermatitis and otitis. There is less known about the occurrence of lipid-dependent Malassezia species in dogs. The aim of this study was to detect whether lipid-dependent yeasts are part of the normal microflora in dogs. Two groups of animals were selected for comparison. The group of healthy dogs contained samples of 118 individuals and the group of dogs with cutaneous lesions or otitis externa comprised 328 dogs. The isolates of Malassezia were identified by using genotypic methods that allow the precise identification. M. pachydermatis was the most frequently isolated species in this study (121 isolates). Only four isolates were identified as M. furfur and one isolate was identified as M. nana.</p>","PeriodicalId":8761,"journal":{"name":"Berliner und Munchener tierarztliche Wochenschrift","volume":"129 7-8","pages":"351-4"},"PeriodicalIF":0.4,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34312494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence of pasture-associated metazoal endoparasites in Bavarian dairy goat herds and farmers' approaches to parasite control. 巴伐利亚奶山羊牧群中与牧场相关的二虫体内寄生虫的流行及农民控制寄生虫的方法。
IF 0.4 4区 农林科学
Katja Voigt, Philipp Leopold Sieber, Carola Sauter-Louis, Gabriela Knubben-Schweizer, Miriam Scheuerle
{"title":"Prevalence of pasture-associated metazoal endoparasites in Bavarian dairy goat herds and farmers' approaches to parasite control.","authors":"Katja Voigt,&nbsp;Philipp Leopold Sieber,&nbsp;Carola Sauter-Louis,&nbsp;Gabriela Knubben-Schweizer,&nbsp;Miriam Scheuerle","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The majority of dairy goat farms in Bavaria operate pasture-based systems. Endoparasites are therefore a common problem affecting health and productivity of these herds. Pooled faecal samples from 37 commercial dairy goat farms in Bavaria were examined by modified McMaster, flotation, sedimentation and Baermann funnel techniques. In addition, a questionnaire was used to gather information on farmers' perceptions and parasite management efforts. The average trichostrongyle faecal egg count across the 37 farms was 620 epg, with a median of 450 epg (1st quartile: 135 epg; 3rd quartile: 930 epg; range: < 30 to 3090 epg). Fasciola hepatica eggs were detected on four farms, Moniezia expansa eggs on one, Muellerius capillaris larvae on 13 and Dicrocoelium dendriticum eggs in none of the samples. Following coproculture third stage larvae of trichostrongyle species were identified morphologically. Sufficient larval numbers were obtained from samples from 23 farms. Haemonchus spp. was the most abundant larval genus and accounted for 30.4% of all larvae examined (n = 4868), followed by Trichostrongylus spp. (27.5%), Teladorsagia spp. (21.8%) and Oesophagostomum spp./Chabertia spp. (19.0%; these two genera were not differentiated). Further nematodes were identified according to their egg morphology: Nematodirus spp were present on nine farms, Skrjabinema spp. on nine, Trichuris spp. on five and Strongyloides spp. were not detected in any of the samples. The questionnaire results indicated a widespread lack of farmer awareness of appropriate parasite management and treatment measures. Farmer and veterinary education is therefore important to avoid future resistance problems caused by under-dosing or inappropriate treatments.</p>","PeriodicalId":8761,"journal":{"name":"Berliner und Munchener tierarztliche Wochenschrift","volume":"129 7-8","pages":"323-32"},"PeriodicalIF":0.4,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34312026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Concurrent infection with Mycobacterium avium subsp. hominissuis and Giardia duodenalis in a chinchilla (Chinchilla lanigera f. dom.). 禽分枝杆菌亚种并发感染。一种栗鼠(栗鼠属)的人属和十二指肠贾第虫。
IF 0.4 4区 农林科学
Berliner und Munchener tierarztliche Wochenschrift Pub Date : 2016-05-11 DOI: 10.2376/0005-9366-129-15044
Y. Barthel, S. Drews, M. Fehr, I. Moser, Kerstin Matz-Rensing, W. Baumgärtner, P. Wohlsein
{"title":"Concurrent infection with Mycobacterium avium subsp. hominissuis and Giardia duodenalis in a chinchilla (Chinchilla lanigera f. dom.).","authors":"Y. Barthel, S. Drews, M. Fehr, I. Moser, Kerstin Matz-Rensing, W. Baumgärtner, P. Wohlsein","doi":"10.2376/0005-9366-129-15044","DOIUrl":"https://doi.org/10.2376/0005-9366-129-15044","url":null,"abstract":"A 3-year-old, female chinchilla (Chinchilla lanigera f. dom.) suffered from prolonged vaginal discharge. Sonographically, multiple nodules were detected in the uterus, and the lung showed a diffuse radiodensity. Ovario-hysterectomy was performed and histology of the uterus revealed a severe multifocal pyogranulomatous metritis with myriads of acid-fast rod-shaped bacilli. Microbiological culture of formalin-fixed uterine tissue and a native vaginal swab resulted in the growth of mycobacteria that were identified as Mycobacterium (M.) avium subsp. hominissuis. The animal was euthanized and pathomorphological examination revealed severe multifocal granulomatous inflammation of lung, mediastinal and mesenteric lymph nodes, intestine, pancreas and kidneys. In addition, an infection of the small intestine with Giardia duodenalis was confirmed immunohistochemically. This is the first report describing a concurrent infection with M. avium subsp. hominissuis and Giardia duodenalis in a chinchilla. Both pathogens represent a potential health risk especially for young or immunosuppressed persons, in particular if infected animals show unspecific clinical symptoms.","PeriodicalId":8761,"journal":{"name":"Berliner und Munchener tierarztliche Wochenschrift","volume":"12 1","pages":"242-6"},"PeriodicalIF":0.4,"publicationDate":"2016-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82739098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Concurrent infection with Mycobacterium avium subsp. hominissuis and Giardia duodenalis in a chinchilla (Chinchilla lanigera f. dom.). 禽分枝杆菌亚种并发感染。一种栗鼠(栗鼠属)的人属和十二指肠贾第虫。
IF 0.4 4区 农林科学
Yvonne Barthel, Sandra Drews, Michael Fehr, Irmgard Moser, Kerstin Matz-Rensing, Wolfgang Baumgärtner, Peter Wohlsein
{"title":"Concurrent infection with Mycobacterium avium subsp. hominissuis and Giardia duodenalis in a chinchilla (Chinchilla lanigera f. dom.).","authors":"Yvonne Barthel,&nbsp;Sandra Drews,&nbsp;Michael Fehr,&nbsp;Irmgard Moser,&nbsp;Kerstin Matz-Rensing,&nbsp;Wolfgang Baumgärtner,&nbsp;Peter Wohlsein","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A 3-year-old, female chinchilla (Chinchilla lanigera f. dom.) suffered from prolonged vaginal discharge. Sonographically, multiple nodules were detected in the uterus, and the lung showed a diffuse radiodensity. Ovario-hysterectomy was performed and histology of the uterus revealed a severe multifocal pyogranulomatous metritis with myriads of acid-fast rod-shaped bacilli. Microbiological culture of formalin-fixed uterine tissue and a native vaginal swab resulted in the growth of mycobacteria that were identified as Mycobacterium (M.) avium subsp. hominissuis. The animal was euthanized and pathomorphological examination revealed severe multifocal granulomatous inflammation of lung, mediastinal and mesenteric lymph nodes, intestine, pancreas and kidneys. In addition, an infection of the small intestine with Giardia duodenalis was confirmed immunohistochemically. This is the first report describing a concurrent infection with M. avium subsp. hominissuis and Giardia duodenalis in a chinchilla. Both pathogens represent a potential health risk especially for young or immunosuppressed persons, in particular if infected animals show unspecific clinical symptoms.</p>","PeriodicalId":8761,"journal":{"name":"Berliner und Munchener tierarztliche Wochenschrift","volume":"129 5-6","pages":"242-6"},"PeriodicalIF":0.4,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34612111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[The attitude of German veterinarians towards farm animal welfare: results of a cluster analysis]. [德国兽医对农场动物福利的态度:聚类分析结果]。
IF 0.4 4区 农林科学
Heinke Heise, Nicole Kemper, Ludwig Theuvsen
{"title":"[The attitude of German veterinarians towards farm animal welfare: results of a cluster analysis].","authors":"Heinke Heise,&nbsp;Nicole Kemper,&nbsp;Ludwig Theuvsen","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In recent years the issue of animal welfare in intensive livestock production systems has been subjected to increasing criticism from the broad public. Some groups in society ask for higher animal welfare standards and there is an increas- ing number of consumers who prefer meat from more animal friendly husbandry systems. An intense social debate on animal welfare has flared up in the recent past. Veterinarians are considered as experts for the assessment of animal welfare. Nevertheless they are rarely consulted in the current debate. Therefore, only little is known about their attitude towards animal welfare in livestock farming. Even for Germany, there is so far no comprehensive analysis about their atti- tudes towards animal welfare and animal welfare programs. In the present study, 433 veterinarians were questioned via an online survey. The results show that veterinarians have a very differentiated perception of the issue animal welfare. Four groups (clusters) which have different attitudes towards livestock farming, voluntary animal welfare programs, farm size and the effects of national animal welfare standards were identified.</p>","PeriodicalId":8761,"journal":{"name":"Berliner und Munchener tierarztliche Wochenschrift","volume":"129 5-6","pages":"225-33"},"PeriodicalIF":0.4,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34612106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SCM-positive Streptococcus canis are predominant among pet-associated group G streptococci. scm阳性犬链球菌在与宠物相关的G组链球菌中占优势。
IF 0.4 4区 农林科学
Gerd-Josef Verkühlen, Dennis Pägelow, Peter Valentin-Weigand, Marcus Fulde
{"title":"SCM-positive Streptococcus canis are predominant among pet-associated group G streptococci.","authors":"Gerd-Josef Verkühlen,&nbsp;Dennis Pägelow,&nbsp;Peter Valentin-Weigand,&nbsp;Marcus Fulde","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Streptococcus (S.) canis is a neglected zoonotic pathogen with increasing impor- tance. Since knowledge about its distribution in pets in Germany is scant, we designed a study and tested 335 dogs and 71 cats for colonization by S. canis. S. canis was isolated from swabs taken from the perianal region by culture and subsequent identification was performed biochemically as well as by PCR. In total, 15.8% (53) of the canine and 8.5% (six) of the feline strains grown on Staphlyo- coccus/Streptococcus Selective Agar were tested positive for the Lancefield group G antigen. The vast majority of strains expressing the Lancefield Group G carbohy- drate (56 out of 59) were further identified as S. canis underlining their outstanding role among animal-associated Group G streptococci (GGS). Furthermore, 90.0% of the canine and 83.3% of the feline S. canis strains harbour the species-specific anti- phagocytic M protein homologue SCM, which has been described as an important virulence factor. In contrast, emm-genes typically encoded by human-specific GGS could not be detected in any of the S. canis isolates. Taken together, this study provides insights into the distribution of the neglected zoonotic pathogen S. canis in a population of pets in Germany. The presence of SCM in the vast majority of strains indicates their pathogenic potential.</p>","PeriodicalId":8761,"journal":{"name":"Berliner und Munchener tierarztliche Wochenschrift","volume":"129 5-6","pages":"247-50"},"PeriodicalIF":0.4,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34612109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retrospective epidemiological evaluation of molecular and animal husbandry data within the bovine viral diarrhoea virus (BVDV) control programme in Western Austria during 2009-2014. 2009-2014年西奥地利州牛病毒性腹泻病毒(BVDV)控制规划中分子和畜牧业数据的回顾性流行病学评价
IF 0.4 4区 农林科学
Karl Schoepf, Sandra Revilla-Fernández, Adolf Steinrigl, Reinhard Fuchs, Andreas Sailer, Joachim Weikel, Friedrich Schmoll
{"title":"Retrospective epidemiological evaluation of molecular and animal husbandry data within the bovine viral diarrhoea virus (BVDV) control programme in Western Austria during 2009-2014.","authors":"Karl Schoepf,&nbsp;Sandra Revilla-Fernández,&nbsp;Adolf Steinrigl,&nbsp;Reinhard Fuchs,&nbsp;Andreas Sailer,&nbsp;Joachim Weikel,&nbsp;Friedrich Schmoll","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A retrospective epidemiological investigation of molecular and animal husbandry data collected over an observation period of five years (2009-2014) within the compulsory bovine viral diarrhoea virus (BVDV) control programme in Western Austria, covering the federal provinces of Tyrol and Vorarlberg is presented in this study. Samples collected from 232 infected calves were phylogenetically classified based on the 5' untranslated region (5'UTR). All but 13 samples, which were typed as border disease virus subtype 3 (BDV-3), belonged to the bovine viral diarrhoea virus genotype 1 (BVDV-1) and clustered within six different subtypes (1b, 1e, 1f, 1h, 1d and 1k). Movement data and survival times from infected individual animals were analysed because of their potential of passing on infection to naive herds. From the moment of submission of the laboratory results, 180 animals were culled within the first month, 13 lived longer than two but not longer than six months and seven infected animals lived longer than one year. 13 of the infected animals were born on alpine pastures and eleven infected animals were grazed on mountain pastures during summer. The movement of infected animals and the role of trade in alpine areas are a possible source for spreading the infection, thus hampering the progress of eradication.</p>","PeriodicalId":8761,"journal":{"name":"Berliner und Munchener tierarztliche Wochenschrift","volume":"129 5-6","pages":"196-201"},"PeriodicalIF":0.4,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34610094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Detection of leptospira by culture of vitreous humor and detection of antibodies against leptospira in vitreous humor and serum of 225 horses with equine recurrent uveitis]. [225匹马复发性葡萄膜炎的玻璃体培养检测钩端螺旋体及玻璃体和血清中钩端螺旋体抗体检测]。
IF 0.4 4区 农林科学
Elisa Dorrego-Keiter, József Tóth, Lieke Dikker, Jutta Sielhorst, Gerald Fritz Schusser
{"title":"[Detection of leptospira by culture of vitreous humor and detection of antibodies against leptospira in vitreous humor and serum of 225 horses with equine recurrent uveitis].","authors":"Elisa Dorrego-Keiter,&nbsp;József Tóth,&nbsp;Lieke Dikker,&nbsp;Jutta Sielhorst,&nbsp;Gerald Fritz Schusser","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In the ongoing discussion regarding the aetiopathogenesis of equine recurrent uveitis (ERU) it was the aim of the present study to elucidate the relationship of leptospira infection and ERU. In a population of 225 horses leptospira were examined in vitreous humor by culture and leptospira antibody were detected in vitreous humor and serum samples. Preoperative serum samples were collected from 221/225 ERU patients of different age, gender and breed. Undiluted vitreous humor was aseptically taken from 198/225 patients that underwent pars plana vitrectomy at the beginning of surgery and from 27/225 patients' eyeball after enucleation: Serum and vitreous humor were tested for specific leptospiral antibodies by microscopic agglutination test (MAT). Furthermore, vitreous humor was examined by culture. 20 patients which were euthanized due to a live-threatening disease other than ERU served as a control group. A total of 127/221 (57.5%) horses had serum antibodies (≥ 1:100). Most frequently antibodies against L. interrogans serovar Grippotyphosa were detected (79/127), followed by L. interrogans serovar lcterohaemorrhagiae (34/127) and L. interrogans serovar Bratislava (29/127). Only 79/225 horses (35.1%) had leptospiral antibodies in vitreous humor, in which L. interrogans serovar Grippotyphosa (67/79) was identified most frequently followed by L. interrogans serovar Pomona (18/79) and L. interrogans serovar lcterohaemorrhagiae (8/79) which was identified as single or multiple reaction. Isolation of leptospira from vitreous humor was positive in 34/212 horses (16%). 10/20 control horses had a positive antibody titer against leptospira in serum and 2/20 horses in vitreous humor, whereas there was no leptospira detected in culture. The result of 84% negative cultures from vitreous humor of 212 ERU patients is decisive for the diagnosis and therapy of ERU.</p>","PeriodicalId":8761,"journal":{"name":"Berliner und Munchener tierarztliche Wochenschrift","volume":"129 5-6","pages":"209-15"},"PeriodicalIF":0.4,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34612107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Periods for growth and quality improvement of fish in context of animal welfare compliant management of commercial fish ponds--a literature review]. [在商业鱼塘动物福利合规管理的背景下,鱼类生长和质量改善的时期——文献综述]。
IF 0.4 4区 农林科学
Michael Pietrock, Uwe Brämick
{"title":"[Periods for growth and quality improvement of fish in context of animal welfare compliant management of commercial fish ponds--a literature review].","authors":"Michael Pietrock,&nbsp;Uwe Brämick","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In Germany, management of commercial fish ponds requires consideration of animal welfare legislation. In particular, it is forbidden to immediately catch fish that have recently been stocked into put-and-take fishponds. Rather, after stocking is completed, a short-term fishing ban period needs to be adhered to that allows the fishes the opportunity to grow and/or significantly improve in overall quality. The duration of the fishing ban varies considerably among German federal states. A literature review, therefore, was undertaken to identify the amount of time required by adult fish to reach changes in various parameters of quality (proximate composition, fillet colour, odour/taste, stress response), and growth.The literature search revealed that some of the selected parameters (odour/taste, stress response) can change within 24 hours, potentially resulting in improved fish flesh quality. With a time span of about four weeks, feeding-induced changes in proximate composition took the longest among the parameters tested to realize significant changes in fish flesh quality. Transportation-related reductions in body mass are overcome and succeeded by net growth within one to two weeks depending on food availability. Maintaining the fish under species-specific conditions and providing the optimal environment to meet their physiological demands, however, are critical prerequisites for growth and quality improvement. In conclusion there is science-based justification for fishing ban periods ranging from 24 hours to four weeks. Final determination of its duration, therefore, remains a careful balancing of values.</p>","PeriodicalId":8761,"journal":{"name":"Berliner und Munchener tierarztliche Wochenschrift","volume":"129 5-6","pages":"234-41"},"PeriodicalIF":0.4,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34612108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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