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[Possibilities for decontaminating the air in commercial poultry breeding]. [商业家禽养殖中净化空气的可能性]。
Veterinarno-meditsinski nauki Pub Date : 1987-01-01
G Petkov, B D Baĭkov, G Russak
{"title":"[Possibilities for decontaminating the air in commercial poultry breeding].","authors":"G Petkov,&nbsp;B D Baĭkov,&nbsp;G Russak","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Experiments were carried out in bacteriologic and fumigation chambers to restrict the microbial contamination of the air on industrial premises via artificial ionization of the air or aerosol spraying of water and disinfectants. It was shown that the differential application of artificial ionization of air was appropriate in that the demands of the technology aiming at maximum stimulation of productivity were met as suggested by the authors. Besides, this technology provided for the treatment of air of high concentration of air ions coming in the outer space at the rate of 150-200 thou per cu. cm3 from production premises. It is expedient to practise the aerosol dispersion of water in the production buildings for the cell raising of birds as an opportunity for limiting the microbial contamination of air and the lowering of the unfavourable effect of high summer temperatures. It was found that in this country's conditions of industrial poultry raising most rational was the use of lactic acid at the rate of 0.004 per cu. m air, used as a 0.002 percent solution.</p>","PeriodicalId":23492,"journal":{"name":"Veterinarno-meditsinski nauki","volume":"24 3","pages":"67-72"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14738386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Clinico-experimental research on acute isoproturon poisoning in sheep]. 绵羊急性异丙隆中毒的临床实验研究。
Veterinarno-meditsinski nauki Pub Date : 1987-01-01
G Mikhaĭlov, I Borisov, I Nikiforov
{"title":"[Clinico-experimental research on acute isoproturon poisoning in sheep].","authors":"G Mikhaĭlov,&nbsp;I Borisov,&nbsp;I Nikiforov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The toxic action of the carbamide preparation isoproturon-50 was followed up after oral administration at a single dose rate of 3600 mg per kg body mass. Studied were also the clinical picture, body temperature, pulse rate and respiratory excursions, appetite, general behaviour and such biochemical indices as calcium, phosphorus, magnesium, carotene, vitamin A, blood sugar, total protein, aspartate aminotransferase and alanine aminotransferase.</p>","PeriodicalId":23492,"journal":{"name":"Veterinarno-meditsinski nauki","volume":"24 2","pages":"30-5"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14738531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Oxidase activity of the ceruloplasmin in vaccinated and gamma-irradiated poultry]. [接种疫苗和γ辐照家禽铜蓝蛋白氧化酶活性]。
Veterinarno-meditsinski nauki Pub Date : 1987-01-01
E Aladzhov, P Georgiev
{"title":"[Oxidase activity of the ceruloplasmin in vaccinated and gamma-irradiated poultry].","authors":"E Aladzhov,&nbsp;P Georgiev","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Studied was the change in the oxidase activity of ceruloplasmin (CP) upon the treatment of chickens with gamma rays of 60Co at 1, 2, 3, 5, 7, 10 Gy and dose power of 0.7 per min. The minimum of the oxidase activity of CP at 3 G was found to be 0.014 AE, which, upon raising (higher doses) reached 0.044 AE. Serum copper also rose upon raising the rate of treatment--from 2.09 op to 3.76 microM. Birds that were vaccinated and treated at 4 G showed on the 15th and the 40th day a drop of the oxidase activity of CP from 0.015 AE for the control group to 0.012 AE for the experimental groups. Blood copper rose from 2.55 microM to 3.67 microM.</p>","PeriodicalId":23492,"journal":{"name":"Veterinarno-meditsinski nauki","volume":"24 2","pages":"36-9"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14738532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Effect of sugars on the biological properties of bull spermatozoa after cryopreservation]. [糖对低温保存公牛精子生物学特性的影响]。
Veterinarno-meditsinski nauki Pub Date : 1987-01-01
H Al-Hanak, Z Zakhariev, D Spasova, M Iotova
{"title":"[Effect of sugars on the biological properties of bull spermatozoa after cryopreservation].","authors":"H Al-Hanak,&nbsp;Z Zakhariev,&nbsp;D Spasova,&nbsp;M Iotova","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An investigation was carried out on the protective qualities of some type of sugars as ingredients of the g X22l diluent with regard to bull spermatozoa upon freezing after the granule technology. It was ascertained that sugars varied in effect. On the base of the results obtained a new diluent was developed under the conditional name of g X22A, with better cryoprotective qualities than those of the currently used diluents. The optimum effect of semen dilution with the granule technology of freezing of g X22A proved within the range of 1 + 4 to 1 + 8.</p>","PeriodicalId":23492,"journal":{"name":"Veterinarno-meditsinski nauki","volume":"24 2","pages":"52-6"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14738535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Effect of hyperimmune antibovine rabbit serum (blood) on the growth and reactivity of hypotrophic pigs]. 高免疫抗牛兔血清(血)对营养不良猪生长和反应性的影响。
Veterinarno-meditsinski nauki Pub Date : 1987-01-01
B Planski, E Poshtakov, V Bogomilova, T Donev
{"title":"[Effect of hyperimmune antibovine rabbit serum (blood) on the growth and reactivity of hypotrophic pigs].","authors":"B Planski,&nbsp;E Poshtakov,&nbsp;V Bogomilova,&nbsp;T Donev","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Investigated was the influence of hyperimmune antibovine rabbit serum (blood) on the growth and reactivity in hypotrophic pigs. The sample pigs were injected subcutaneously 2 times (with interval 15 days) with 0.5 cm3 solution of lyophilized blood, extracted from immunized with bovine serum rabbits. For a solvent was used 10% solution of Vitamin C. The used in the experiment serum had a titer over 10,000, total albumin--20.15, albumin--7.26, alpha-globulin--3.22, beta-globulin--1.62, gamma-globulin--8.05 mmol/l. The control pigs were treated with the solvent. It was established, that for 30 days the daily growth of the control pigs was bigger with 100 g in comparison with the experimental pigs. Reliably was increased (P less than 0.02) the aggregate phagocytic ability of the blood. The average haemoglobin content and the haematocrit were on the limit of reliability (P less than 0.05). The common condition of the experimental pigs was much better. It was prepared a stable blood medicine, suitable for long storage, easily applicable in the industrial pig farming.</p>","PeriodicalId":23492,"journal":{"name":"Veterinarno-meditsinski nauki","volume":"24 9","pages":"61-4"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14569795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Embryotoxic and teratogenic effects of Pharmachim's lincomycin hydrochloride]. [Pharmachim公司盐酸林可霉素的胚胎毒性和致畸作用]。
Veterinarno-meditsinski nauki Pub Date : 1987-01-01
R Chakŭrov, M Kremenski, P Dilov
{"title":"[Embryotoxic and teratogenic effects of Pharmachim's lincomycin hydrochloride].","authors":"R Chakŭrov,&nbsp;M Kremenski,&nbsp;P Dilov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Tested was the teratogenic and embryotoxic action of linkomycin hydrochloride with both placental and nonplacental animals. It was found that when applied twice, orally, to albino rats on the 4th day of pregnancy at the rate of 250 mg/kg body mass (=5 ED50), and once to chick embryos at 50 mg per egg the antibiotic raised the percent of pre- and postimplantation loss of embryos. In a series of applications (oral) from the 3rd up to the 19th day at 50 mg/kg body mass to rats as well as in a single application to chick embryos at 10, 20, and 50 mg per egg linkomycin showed no teratogenic effects.</p>","PeriodicalId":23492,"journal":{"name":"Veterinarno-meditsinski nauki","volume":"24 8","pages":"64-8"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14564429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Content of chemical elements in the liquid manure of swine at a treatment plant using biological purification]. [采用生物净化处理的猪粪液中化学元素的含量]。
Veterinarno-meditsinski nauki Pub Date : 1987-01-01
B D Baĭkov, M Stoianov, M Voĭcheva, K Delev
{"title":"[Content of chemical elements in the liquid manure of swine at a treatment plant using biological purification].","authors":"B D Baĭkov,&nbsp;M Stoianov,&nbsp;M Voĭcheva,&nbsp;K Delev","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An atom absorption spectrophotometer was used to study 13 chemical elements in samples taken at the entrance of the purification station, at the mechanical step exit, at the biostep exist, and at the laguna exit as well as following treatment of the solid fraction in open surface purification and drying plots. It was found that part of the biogenic chemical elements remained in the liquid fraction after purification and were hazardous in terms of eutrophication of the water receptacle. A technology was worked out to treat the solid fraction, however, it did not provide for preserving the biogenic chemical elements. This lowered the qualities of the fraction in enriching the soil.</p>","PeriodicalId":23492,"journal":{"name":"Veterinarno-meditsinski nauki","volume":"24 5","pages":"91-6"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14750444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Effect of the bacterial count in the air on chickens and laying hens raised commercially]. [空气中细菌数量对商业饲养的鸡和蛋鸡的影响]。
Veterinarno-meditsinski nauki Pub Date : 1987-01-01
G Naneva, I Vasileva, I Iordanov
{"title":"[Effect of the bacterial count in the air on chickens and laying hens raised commercially].","authors":"G Naneva,&nbsp;I Vasileva,&nbsp;I Iordanov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Investigations were carried out to establish the amount of bacteria in the air on the premises for raising young birds and laying hans as well as in the respiration organs of the birds. Attempts were made to lower the microbism on the premises through the aerosol spray of Lugol solution. It was found that under industrial conditions there existed a rising trend with microbism both on the premises and in the respiratory organs of the birds, parallel to the advance in age which contributed to the enhancement of mortality rate and the drop of productivity. The use of Lugol solution in the form of spray was shown to produce a favourable effect on the health and productivity of birds.</p>","PeriodicalId":23492,"journal":{"name":"Veterinarno-meditsinski nauki","volume":"24 4","pages":"79-83"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14750683","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Replication of a local strain of swine parvovirus in swine kidney cell cultures]. [猪细小病毒在猪肾细胞培养中的复制]。
Veterinarno-meditsinski nauki Pub Date : 1987-01-01
Ia Peev, A Motovski, M Aleksandrov
{"title":"[Replication of a local strain of swine parvovirus in swine kidney cell cultures].","authors":"Ia Peev,&nbsp;A Motovski,&nbsp;M Aleksandrov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The kinetics of replication of strain of parvovirus in swine was investigated in the primary cell cultures of swine kidney. The morphologic changes were traced in inoculated cultures by microscopic observation and the replication of the virus in the cells by immune-fluorescent examinations. The quality of the virus in the cell monolayer and in the nutritive medium, in the different periods after the infection, was determined by hemagglutination test. By the immune-fluorescent examinations, the virus was proved still in the first hours, while the first morphologic changes of the monolayer were determined 72 hours after the infection. The nuclear fluorescent appears at the 12-th hour and increases its intensity 24 hours after the infection. At the 72-nd hour and later predominates the cytoplasmatic fluorescent. The cell monolayer produces virus up to the 96-th hour, and the virus titer reaches its maximum 120 hours after the inoculation, which is the most appropriate moment for the yield of virus.</p>","PeriodicalId":23492,"journal":{"name":"Veterinarno-meditsinski nauki","volume":"24 9","pages":"9-16"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14569666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Relation between molecular structure and the antibacterial activity of N4-substituted sulfanilamides]. [分子结构与n4取代磺胺类抗菌活性的关系]。
Veterinarno-meditsinski nauki Pub Date : 1987-01-01
S Vŭrbanova, D Danailov, K K Kolev, V Stefanov
{"title":"[Relation between molecular structure and the antibacterial activity of N4-substituted sulfanilamides].","authors":"S Vŭrbanova,&nbsp;D Danailov,&nbsp;K K Kolev,&nbsp;V Stefanov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>With the aim of establishing a correlation between chemical structure and biologic activity of series N, N'-replaced carbamide and thiocarbamide derivatives, containing sulfanilamide group their antibacterial activity has been studied. The microbiologic screening towards eight kinds of gram-positive and gram-negative microorganisms showed that the substitutes in N and N' in the carbamide or thiocarbamide structure influence the force of the effect as well as the kind of microorganisms in which that effect is exhibited. Ascertained was that together with the increase of the number of carbon atoms is strengthen the antibacterial activity (highest in C4) as the derivatives containing aryl radical show higher activity than those containing alkyl radical. The bringing of halogenic atoms in the molecule of the synthesized derivatives increases considerably the antibacterial activity which is expressed mainly in the combinations containing Cl-atom in m-position of the benzene nucleus.</p>","PeriodicalId":23492,"journal":{"name":"Veterinarno-meditsinski nauki","volume":"24 10","pages":"67-70"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14572670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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