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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Korean Journal of Veterinary Service
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Journal DOI :
The Korean Society of Veterinary Service
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Volume & Issues
Volume 13, Issue 2 - Dec 1990
Volume 13, Issue 1 - Jun 1990
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Pathological Studies on the Esopha-gastric Ulcers in Swine
Korean Journal of Veterinary Service, volume 13, issue 2, 1990, Pages 111~129
Based on the gross lesion, a survey of ulcer prevalence was carried out on pigs (3,161 heads) at a slaughterhouse in seoul from April to December in 1989. The pigs stomachs were observed anatomically and classified, according to the presence or absence of foreign bodies. Ulcer prevalence is usually classified according to size of pig farm, ages, and supplied month. The results in the studies were as follows, 1. Fundus followed the highest rate with 28.2%, esophagus with 24.5％ each of cardiac and pyloric part with 7.8% and 4.1％ in cases of gastric mucosa pathological studies examed total 3,161. In the acute ulcer prevalence, fundus follwed with 5.4%, esophagus with 2.6%, each of cardiac and pyloric part with 0.8% and 0.3%. When prevalent frequencies of fundus are compared with cardiac and pyloric part, they have meaning.(P <0.05). 2. In the survey pig of total 3,161, pathological changes of epithelium tissue foliowed 44.0%, erosion(11.5%), chronic ulcer(14.8%), acute ulcer(1.6%), scar formation (1.7%) and perforation (0.9%). 3. In general monthly prevalence rates of gastric lesion are higher in spring and fall than in summer. 4. In the size of pig farms, ulcer showed higher rate at professional farms than raising on the side. 5. When there are more fluid condition in stomach and they are old, the ulcer appeared for more. 6. Foreign bodies in stomach were sand, hairballs, and intestinal worms were detected (1%).
A Field Trial as Dry-cow Therapy Using Nophazin (norfloxacin mixed cephalexin) in Mastitis Control
Korean Journal of Veterinary Service, volume 13, issue 2, 1990, Pages 130~140
A field test using Nophazin (drying off period therapeutics) was done from May, 1989 to October, 1989. 299 quarters of 75 cows from 28 herds were tested. The results were summarized as follows. 1. At the day 7 after parturition, CMT-was 81.60%, clots were removed perfectly, removal rate of hard, hot, pain was 99.6%, only one hard 0.35% was maintained. Recovery rate of general symptoms was 100%. 2. Recovery rate in Nophazin treatment was 100% in Micro-coccus SPP, Corynebacterium SPP, and unisolated, 97.06% in Enterobacterid SPP, 95.58% in Staphylococcus SPP, 91.67% in other Bacilli, 89.19% in Streptococcus SPP, Overall recovery rate was 95.32%, And fungi did not react. 3. The ratio of isolated microorganisms was Staphylococcus SPP 49.8%, Streptococcus SPP 16.3%, Enterobacteria SPP 15.0%, Micrococcus SPP 7.9% Corynebacterium SPP 4.4%, Pseudomonas SPP 2.6%, Bacilli 2.6% and Fungi 1.3%. 4. The range of sensitivity of each microorganism to therapeutics is as follow : Staphylococcus SPP 61.1∼94.7%, Streptococcus SPP 51.4∼91.9%, Micrococcus SPP 44.4∼94.4%, Corynebacterium SPP 70∼80%, Enterobacteria SPP 11.8∼88.2%, and other Gram negative bacilli 8.3∼83.3%. Overall sensitivity was in the range of 50.4∼92.0%, Microorganisms showed the highest sensitivity (80∼94.7%) to Nophazin. 5. New intramammary infection rate was 3.96% (9 strains) at paturition, 8.37% (19 strains) at the day 7 after paturition. Persistent organism wits 6.17% .(14 strains). 6. There was no side effect of Nophazin treatment.
Studies on Agents of Dairy Cattle's Foot Disease and Therapy
Korean Journal of Veterinary Service, volume 13, issue 2, 1990, Pages 141~147
The present study was carried out to investigate the agent of foot disease of cattles, to develop the therapeutics. The results obtained were as follows ; 1. Sixty eight heads of cattle affected foot rot during the observation period and the incidence rate shown 3.25%. 2. The high incidence was observed on September and October. 3. The disease was more frequently seen affecting in hindlimbs than forelimbs. 4. The disease was more frequently seen affecting in older cattles and higher milk production cow. 5. Isolated strains wert shown E. coli (20.6%), Staphylococcus SPP (17.6%), stridium SPP (22.1%), Fusobacterium SPP (20.6%), Bacteroid SPP (19.1%). 6. The most susceptible therapeutics are A, B preparation.
Observation on Disease of Cattle foot
Korean Journal of Veterinary Service, volume 13, issue 2, 1990, Pages 148~153
In order to know the incidence of foot rot in herds and slaughter houses, a total of 3,665 cattles were examined the incidence rate, vaccination. and drug susceptibllity the during the period from June to Novemer 1989. Eighty nine (2.42%) of'3,665 cattles were affected by the foot rot. and the highest incidence was observed on July and August. The foot rot was affected more frequently in hind limbs than frort limbs. In the vaccinated cattles of non affected herds, the disease was not occurred after-wards. Affected cattles which were treated with saturated picric acid gave more effective than those with 10% cupuric acid or 5％ formalin in comarative treatment test.
An Etiologic Survey of the Fatality of Newborn Beef Calves in Cheju
Korean Journal of Veterinary Service, volume 13, issue 2, 1990, Pages 154~161
This survey was carried out to investigate the fatality of the newborn beef calves in three ranches in Cheju area. The results were summarized as follows : 1. The fatality rate was 5.8%(67 calves) from the total 1, 160 calves examined. 2. There were pneumonia(46%), enteritis(16%), suckling disorder(13%), theileriasis (4%). and hypomagnesemia(4%) in dead calves. 3. Most of dead calves(78%) with 52cases died within 30days postparturition. 4. Bacteria-induced fatal diseases in newborn calves within 30 days postparturition might be closely associated with maternal immunity by the lack of immnunoglobalin of strum.
Biological and Physicochemical Properties of Canine Parvovirus lated from the Dogs with Diarrhea
Korean Journal of Veterinary Service, volume 13, issue 2, 1990, Pages 162~183
From 1988 to 1989, 8 strains of canine parvovirus-2 (CPV-2) were isolated from the fecal specimens from the dogs that were clinically diagnosed as canine parvoviral enteritis in the veterinary hospitals located in the regions of Taejon and Chungbuk province. Studios on biological and physicochemical properties for the isolates were carried out. The results obtained by experiments are summarized as follows. 1. Among 62 fecal samples collected from the dogs with enteric diseases, 24 (38.7%) showed the haemagglutinating activity against porcine erythrocyte, ranging from 16 to 16, 384 of HA titers. 2. When 8 fecal specimens with high HA titer over 1, 000 were inocultated into CRFX cells, intranuclear inclusion bodies were obseverd in all of eight specimens, of w)lick three specimens showed cytoplasmic inclusions concurrently with the intranuclear inclusion bodies. 3. In study on species-specificity of haemagglutinating activity of the isolates, TJ-89-1 and TJ-89-2, it was found that the isolates revealed the highest haemagglutinating activity with porcine erythrocytes, showing the relatively lower haemagglutination titers with the erythrocytes from cat and rabbit. None of erythrocytes from other animals reacted with the isolates. 4. By the cross-haemagglutination inhibition test of the Isolates with reference viruses and sera, the Isolates were evidently identified as the strains of canine parvovirus-2. 5. In Physicochemical property test, it was evident that the isolates were stable in, lipid solvent, pH and heat treatment at
for 30 min. and contain DNA genome. 6. When seven puppies were inoculated intraorally with the isolate at HA titer of 8, 192, all of the puppies showed the symptoms of anorexia, vomiting, diarrhea and died at the 5th to 10th days post inoculation(pi). The fecal samples from all of the puppies revealed significantly high HA titers afterward the 5th days pi. Body temperature and the number of total leucocytes were slightly increased at the early stage of infection. but extremely decreased at the stage of collapse. HI titers of the sera started to increase at the 2nd to 3rd days pi reaching 512 to 1, 024 at the 4th to 5th day pi
A Survey on the Prevalence of Internal Parasites in Jindo Dogs
Korean Journal of Veterinary Service, volume 13, issue 2, 1990, Pages 184~188
Observations were made on the infection rate of common internal parasites in Jindo dogs from January to March, 1989. Fecal samples were collected from 115 Jindo dogs in Jindo area. On the basis of egg counting, the following results were obtained； 1. Of 115 fecal samples, 65.2％ were appeared as positive, Dogs from intensive dog-rearing places have lower infection rates than others. 2. Of the parasites detected, Toxocara canis was the most commonly encountered (26.1%). 3. Ascarids, flukes and coccidia were more prevalent in pups than in mature dogs, whereas hookworms were detected less often in young dogs than in older ones.
Survey of Slaughtered Chicken Leucocytozoon Infection Rate in Pusan, Gyeongnam Area
Korean Journal of Veterinary Service, volume 13, issue 2, 1990, Pages 189~195
During 9 months (March-November, 1989), observation of Leucocytozoon infection rate to blood and parenchymatous viscera (spleen, liver, heart) in Pusan, Gyeongnam (Kimhae, Yangsan) districts slaughtered chicken and the results obtained were as follow : 1. Among the blood smear sample of 213 heads of the chicken, 43 heads (20.2%) were infected with Leucocytozoon 2nd stage gametocyte and 4 heads (1.9%) were mixed infected with Leucocytozoon 5th stage gametocyte. 2. In histopathological detection of schizont in tissues section of spleen, liver and heart, there were 16.7% in spleen, 5.6％ in liver and 9.1％ in heart, mean detection rate were 10.6%. Spleen had the highest detection rate of schizont. 3. In seasonal-related Infection rate, summer was higher than spring.