Publications by authors named "Ji-Yeong Ku"
Prevalence of Spp. and Spp. Antigens and Antibodies in Housed and Grazing Korean Indigenous Cattle.
Vector Borne Zoonotic Dis
September 2024
Article Synopsis
- Infection with tick-borne pathogens in cattle can lead to serious health issues like anemia and growth retardation.
- This study tested both housed and grazing cattle in Korea for the presence of specific pathogens using antigen tests and analyzed antibody levels.
- The results indicated that while both types of cattle had similar antibody detection rates for one pathogen, grazing cattle had significantly higher antibody levels for the other pathogen, highlighting the distinct exposure risks associated with their environments.
Bovine hemolytic anemia has a negative impact on animal welfare and productivity due to its associated clinical symptoms. Hemolysis is generally known to cause reticulocytosis, increased indirect bilirubin, decreased concentration of haptoglobin, and increased lactate dehydrogenase. Additionally, tissue hypoperfusion due to concomitant anemia increases blood lactate concentration.
View Article and Find Full Text PDFBackground: Calf diarrhea leads to high mortality rates and decreases in growth and productivity, causing negative effects on the livestock industry. Lactate is closely associated with metabolic acidosis in diarrheic calves. However, there have been no reports on lactate concentrations in Korean indigenous (Hanwoo) calves, especially those with diarrhea.
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- The study aimed to compare the blood profiles of Hanwoo cattle raised in barns versus those grazing outdoors.
- Significant differences were found, with grazing cattle showing lower levels of hematocrit, hemoglobin, and red blood cells, indicating potential regenerative anemia.
- Additionally, higher indirect bilirubin levels in grazing cattle suggested intravascular hemolysis, along with neutropenia and monocytosis being detected.
This case report describes the hematological and radiological examination of urinary bladder rupture and complete urethral obstruction. associated with urolithiasis in Hanwoo. Hyponatremia, hypochloremia, azotemia, and hyperglycemia were observed in both urethral obstruction and urinary bladder rupture.
View Article and Find Full Text PDFBovine tetanus is a serious infectious disease of the central nervous system caused by the exotoxin produced by and is characterized by persistent tension and spasm of the rhabdomyocytes. Currently, many studies have focused on diagnosing tetanus; however, only a few studies on treatment methods have been conducted. Therefore, cattle with tetanus have been treated using symptomatic therapy.
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- - Neonatal calf diarrhea, primarily caused by rotavirus infections, poses a significant issue in the cattle industry, especially in the first three weeks of a calf's life.
- - This study analyzed 61 Korean native calves (≤ 20 days old) with rotavirus or other infections, focusing on differences in acid-base balance, electrolytes, and biochemical parameters.
- - Results indicated rotavirus-infected calves had lower levels of several blood parameters compared to those infected with other agents, highlighting the need for differentiated diagnostic and treatment approaches.
This study aimed to investigate changes in the serum protein profiles of healthy newborn Korean calves and provide a reference index for these changes during growth. The serum protein composition of 15 healthy bovine calves aged 1 week to 4 months was analyzed using electrophoresis. The albumin to globulin (A/G) ratio increased until calves reached 2 months (1.
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