• Proceedings of the Korean Society of Veterinary Clinics Conference
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• 2006.05a
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• pp.100-100
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• 2006

• Proceedings of the Korean Society of Veterinary Clinics Conference
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• 2006.05a
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• pp.98-98
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• 2006

• Korean Journal of Animal Reproduction
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• v.21 no.4
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• pp.405-409
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• 1997

This study was carried out to investigate the general characteristics such as semen volume, pH, sperm motility and sperm concentration of the semen collected from Korean Jindo dogs by the mothod of Digital manipulation of penis, and the effect of temperature and preservation time on motility of fresh semen. Multiple ejaculates were collected from four male Korean Jindo dogs. The results obtained in this experiment were as follows : 1. Average semen volume per ejaculate, semen pH, sperm motility and sperm concentration of the second fraction and the small volume of third fraction from the ejaculate were 3.29ml, 6.30, 96.70% and 1.64$\times$108 cells/ml, respectively. 2. Average semen volume per ejaculate, semen pH, sperm motility and sperm concentration of the first fraction from the ejaculate were 1.16ml, 6.10, 6.67% and 5.07$\times$105cells/ml. Average semen volume per ejaculate, semen pH, sperm motility and sperm concentration of the second fraction from the ejaculate were 2.30ml, 6.33, 97.66% and 1.92$\times$108cells/ml. Average semen volume per ejaculate, semen pH, sperm motility and sperm concentration of the third fraction from the ejaculate were 3.24ml, 6.51, 93.33% and 3.13$\times$107cells/ml. 3. Motility of fresh semen during preservation were higher at 17$^{\circ}C$ than at 5$^{\circ}C$ or 36$^{\circ}C$. When preservation temeprature was 17$^{\circ}C$, motility were 95.75% at 1 h, 90.00% at 6 h, 84.25% at 12 h, 68.00% at 18 h, 36.25% at 24 h and 28.75% at 30 h, respectively.

• Korean Journal of Veterinary Research
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• v.37 no.4
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• pp.855-862
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• 1997

Ivermectin is a synthetic derivative of the naturally occurring avermectin $B_{1a}$ (22, 23-dihydroavermectin $B_{1a}$) and $B_{1b}$ (22, 23-dihydroavermectin $B_{1b}$), It is widely used as antiparasitic and pesticidal agents because of its remarkably potent and broad spectrum of antiparasitic activity. Although the drug has shown excellent anthelmintic effects, development of toxicosis in some animals such as the Collie species of dog is well documented. However, no studies have been reported on the toxic effects of the drug in Korean native animals such as the Jindo dog. The toxic effect of ivermectin was evaluated in 25 Jindo dogs divided into five groups which were orally administered with ivermectin at dosage levels of $200{\mu}g/kg$, $300{\mu}g/kg$, $600{\mu}g/kg$ and $2,500{\mu}g/kg$ of body weight, respectively. Toxic signs were not observed in the groups receiving $200{\mu}g/kg$ and $300{\mu}g/kg$ B.W. ivermectin. One dog developed mild clinical signs of toxicosis in the group receiving $600{\mu}g/kg$ dosage of ivermectin. In the group with $2,500{\mu}g/kg$ dosage, all dogs developed mild (salivation, drooling, vomiting, mydriasis, and/or confusion) and/or moderate (ataxia and tremors) clinical signs of toxicosis. Hematologic changes were not observed in the groups receiving $200{\mu}g/kg$, $300{\mu}g/kg$ and $600{\mu}g/kg$ B.W. ivermectin. In the groups receiving $2,500{\mu}g/kg$ B.W., total erythrocyte counts, total and differential leukocyte counts and hemoglobin levels were not affected by drug. Aspartate aminotransferase levels were increased after administration of ivermectin, while serum cholesterol and blood glucose levels were decreased.

• Korean Journal of Veterinary Research
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• v.28 no.2
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• pp.299-305
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• 1988

The phenotypes of hemoglobin, albumin and transferrin of 3U2 Jindo dogs in Jindo area were studied by starch gel electrophoresis for hemoglobin and albumin, and by polyacrylamide gradient gel electrophoresis for transferrin. The results obtained were as follows: 1. In the hemoglobin phenotypes, three phenotypes, HbAA, HbAB and HbBB, which were controlled by two allelic genes, $Hb^A$ and $Hb^B$, were observed and their frequencies of appearance were 1.65%, 10.60% and 87.75% respectively. The distribution of gene frequency was calculated as 0.0695 in $Hb^A$ and 0.9305 in $Hb^B$. 2. In the albumin phenotypes, three phenotypes, Alb FF, Alb FS and Alb SS, which were controlled by two allelic genes, $AIb^F$ and $AIb^S$ were observed and their frequencies of appearance were 12.59%, 25.56% and 61.85% respectively. The distribution of gene frequency was calculated as 0.2537 in $AIb^F$ and 0.7463 in $AIb^S$. 3. Analysis of transferrin phenotypes showed 6 different types which were controlled by three allelic genes, $Tf^B$, $Tf^C$ and $Tf^D$ and their frequencies of appearance were 54.04% in TfBB, 17.54% in TfBC, 9.82% in TfBD, 8.07% in TfCC, 7.37% in TfCD and 3.16% in TfDD. The distribution of gene frequency was calculated as 0.6772 in $Tf^B$, 0.2053 in $Tf^C$ and 0.1175 in $Tf^D$.

• Journal of Animal Science and Technology
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• v.48 no.2
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• pp.325-330
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• 2006

The head of the Jindo, Korean native dog was measured in the present study. One hundred and ninety five Jindoes were randomly selected from the 1,985 dogs in the Jindo County in August 1998, which were screened by the judging committee of the County and registered by inserting electronic chips in the withers. They were about one and a half-year-old, and were white and fawn dogs. The head was divided into three parts; the skull, ear and nose. Each part was divided again, and a total of 14 parts of the head were measured using calipers. Measurements of the skull part and skull index were bigger in dogs than in bitches, but no differences were found between sexes. No differences were found in the measurements of the ear part between sexes or coat colors, except the distance between two ears in which the distance was longer in dogs than in bitches. In the measurements of the nose, the width of rostral part was larger in fawns than in whites and in dogs than in bitches. The rest were larger in dogs than in bitches.

• Korean Journal of Veterinary Service
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• v.42 no.3
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• pp.145-152
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• 2019

Canine vector-borne diseases (CVBDs) are transmitted by different groups of hematophagous arthropod vectors that are distributed worldwide and can cause significant health problems for dogs. The aim of this study was to investigate and compare the prevalence of selected CVBD pathogens in rural outdoor dogs based on prevention status. Between June 2017 and February 2019, blood samples were collected from 343 clinically healthy rural dogs composing two different groups: systematically managed dogs (SMD; n=92) and personally managed dogs (PMD; n=251). Vaccination and preventive medications were applied strictly following the programmed schedule for the SMD group; in contrast, in the PMD group, they were applied only when requested by the dog owners. Serological and molecular assessments showed that significantly more dogs in the PMD group were infected with B. gibsoni (P<0.001) and D. immitis (P=0.001) than those in the SMD group. These findings suggest that the regular use of preventive medications and environmental controlling efforts contribute to reducing the prevalence of CVBD pathogen infections. In addition, dogs infected with certain kinds of CVBD pathogens could remain asymptomatic, suggesting that continuous monitoring and periodic preventive treatment should be conducted even for clinically healthy dogs.

• Korean Journal of Veterinary Research
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• v.20 no.2
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• pp.175-178
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• 1980

Normal values of serum electrolytes were determined for adult 36 females and 18 males, 1 to 6 years old, of Jindo dogs. The mean values, standard deviation and rangEs of sodium, potassium, chloride, calcium and inorganic phosphorus were studied and data analyzed to determine whether differences existed between the values of female and those of male dogs. The results obtained in this study were as follows: 1. The mean value of serum sodium was $143{\pm}1.5mEq/liter$, ranged from 138mEq/liter to 152 mEq/liter. The mean values for the females and males were $144{\pm}2.0mEq/liter$ and $142{\pm}1.7mEq/liter$, respectively. They showed that the female dogs had a tendency toward higher values than the male dogs, but no significant sex-related differences were observed. 2. The mean value of serum potassium was $4.6{\pm}0.2mEq/liter$, ranged frem 3.5mEq/liter to 6.0mEq/liter. The mean values for the females and males were $4.7{\pm}0.4mEq/liter$ and $4.5{\pm}0.3mEq/liter$. They showed that the female dogs had a tendency toward higher values than the male dogs, but sex differences were not found to be significant. 3. The mean value of serum chloride was $103{\pm}3.0mEq/liter$ ranged from 95mEq/liter to 117mEq/liter. The mean values for the females and males were $103{\pm}3.2mEq/liter$ and $103{\pm}3.3mEq/liter$, no sex differences showed. 4. The mean value of serum calcium was $5.2{\pm}0.1mEq/liter$ ranged from 4.7mEq/liter to 5.8mEq/liter. The mean values for the females and males were $5.4{\pm}0.1mEq/liter$ and $5.2{\pm}0.09mEq/liter$ respectively, no significant sexd iffere-nces were observed. 5. The mean value of serum inorganic phosphorus was $4.3{\pm}0.7mg/100ml$, ranged from 2.5mg/100ml to 5.8mg/100ml. The mean values for the females and males were $4.3{\pm}0.9mg/100ml$ and $4.1{\pm}0.8mg/100ml$, respectively, no sex differences showed.

• Journal of Animal Science and Technology
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• v.49 no.5
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• pp.633-638
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• 2007

This study was conducted to determine the protein requirement level in growing Jindo dog through nitrogen balance experiment. Twelve female dogs aged 18～20 weeks old were allotted one of 3 dietary treatments containing 21, 23 and 25% of crude protein. Average daily gain of dogs fed experimental diets containing 21, 23 and 25% of crude protein were 65.42, 79.58 and 99.17g/d, respectively, and there was a significant difference between 21 and 25% of crude protein treatments(p<0.05). Retained nitrogen were calculated 0.74, 0.96 and 1.31g/kgBW.75/d for dogs fed diets containing 21, 23 and 25% of crude protein, respectively, and were significantly higher(p<0.05) in dogs fed 25% of crude protein diet then those of other dogs. A quadratic regression equation was calculated between nitrogen intake(x) and nitrogen retention(y); y=-2.519x2+12.79x-14.79, and it was found a significantly(p<0.05) higher regression coefficient of 0.782. From the above equation, it was estimated maintenance requirement of crude protein for growing Jindo dog is 11.25g/kg BW.75/d.

• Korean Journal of Veterinary Research
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• v.59 no.2
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• pp.109-111
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• 2019

A 10-year-old intact female Jindo dog was presented with a 1-week history of conjunctival redness and ocular discharge in the left eye. There was an absence of menace response, dazzle reflex, and direct pupillary light reflex. Slit-lamp biomicroscopy revealed corneal edema, ciliary flush, and aqueous flare. Intraocular pressure was 68 mmHg. Based on the information available, a diagnosis of glaucoma and uveitis was made. Subsequent histopathologic examination showed the glaucoma was produced by the effects of goniodysgenesis, posterior synechia, and pigment dispersion in the trabecular meshwork. This is the first report of primary glaucoma caused by goniodysgenesis in Jindo dogs.