-
- Name : Chang Ho Son
- Address : Colleage of Veterinary Medicine, Chonnam National University. 300 Yonbongdong, Buk-gu, Gwangju,# 500-757, Republic of Korea
- Tel : +82-62-530-2865
- Fax : +82-62-530-2868
- E-MAIL : hbkoh@chonnam.ac.kr
Reproductive performance is one of the most important factors determining the profitability and longevity of animals. Some animals have a longer postpartum interval and may still be acyclic during the period when they should be inseminated. Average individual and herd fertility is far from the reproductive and economic optimum. Therefore our division's members are concerned with improving reproductive efficiency and control of diseases in animals.
Main Research Interests
- 1. Understanding and confirming reproductive status using vaginal cytology, reproductive hormones (Progesterone, Estrogens) analysis and ultrasonography (optimal breeding and mating time, initial detection of gestational features, prediction table of parturition day, postpartum period)
- 2. Differential diagnosis and treatment of reproductive dysfunction using reproductive hormones (Progesterone, Estrogens) analysis and ultrasonography (pregnancy diagnosis, abortion, ovarian and uterine disorders, examination of reproductive organs)
Recent Publication Lists
논문목록(손창호교수)
- 1. Kang BK, Choi HS, Na JS, Son CH, Oh KS, Lee CB. Studies on vaginal cytology after induction of estrus in the bitch. Korean J. Vet. Res. 1988; 28: 203~211.
- 2. Kang BK, Choi HS, Na JS, Lee CB, Oh KS, Son CH. Changes of plasma progesterone concentrations after induction of estrus in the bitch. Korean J. Vet. Res. 1989; 29: 253~262.
- 3. Kang BK, Choi HS, Na JS, Oh KS, Son CH, Lee CB. Ovarian response and surgical collection of embryos after induction of estrus in the bitch. Korean J. Vet. Res. 1989; 29: 373~381.
- 4. Choi HS, Kang BK, Lee CG, Son CH. Studies on the improvement of reproductive efficiency in Korean native cows. -Development of radioimmunoassay for progesterone. Korean J Vet Res 1990; 30: 171~175.
- 5. Kang BK, Choi HS, Lee CG, Son CH, Suh GH. Studies on the improvement of reproductive efficiency in Korean native cows. -Plasma progesterone concentrations during the estrous cycle and early pregnancy. Korean J Vet Res 1990; 30: 243~247.
- 6. Kang BK, Choi HS, Lee CG, Son CH, Suh GH. Studies on the improvement of reproductive efficiency in Korean native cows. -The use of plasma progesterone concentrations for early pregnancy diagnosis. Korean J Vet Res 1990; 30: 249~253.
- 7. Choi HS, Kang BK, Son CH, Suh GH. Studies on the improvement of reproductive efficiency in Korean native cows. -Plasma progesterone concentrations for monitoring ovarian activity in the postpartum period. Korean J Vet Sci 1990; 30: 515~523.
- 8. Chang DJ, Yang KC, Kim JK, Kang BK, Choi HS, Son CH. Studies on the plasma progesterone concentrations for pregnancy diagnosis in Che-ju native mare. Korean J Vet Res 1991; 31: 529~534.
- 9. Choi HS, Park YJ, Kang BK, Park BJ, Son CH. Changes of plasma progesterone concentrations during the estrous cycle and its application to early pregnancy diagnosis in Korean native goats. Korean J Vet Res 1992; 32: 259~265.
- 10. Park YJ, Kang BK, Choi HS, Park BJ, Son CH. Changes of plasma progesterone concentrations during the gestation and peripartum period, and return to estrus after parturition in Korean native goats. Korean J Vet Res 1992; 32: 267~273.
- 11. Kang BK, Choi HS, Park YJ, Park BJ, Son CH. The age at puberty and the breeding season in Korean native goats. Korean J Vet Res 1992; 32: 275~280.
- 12. Kang BK, Choi HS, Son CH, Suh GH. The use of progesterone profiles to determine the puberty in Korean native heifers. Korean J Vet Res 1993; 33: 525~530.
- 13. Kang BK, Nam HM, Son CH. Relationship between the N-acetyl-β-D-glucosaminidase levels and the presence of mastitis pathogens in bovine mastitis milk samples. Korean J Vet Res 1993; 33: 531~537.
- 14. Kang BK, Choi HS, Choi SG, Son CH. Progesterone assays as an aid for improving reproductive efficiency in dairy cattle. I. Use of milk progesterone profiles in the confirmation of estrus detection and early pregnancy diagnosis. Korean J Vet Res 1994; 34: 173~180.
- 15. Kang BK, Choi HS, Choi SG, Son CH, Chon HS. Progesterone assays as an aid for improving reproductive efficiency in dairy cattle. II. Use of plasma or milk progesterone profiles for differential diagnosis of ovarian cysts. Korean J Vet Res 1994; 34: 181~188.
- 16. Kang BK, Choi HS, Choi SG, Son CH, Chon HS. Progesterone assays as an aid for improving reproductive efficiency in dairy cattle. III. Milk progesterone profiles in repeat-breeder dairy cows. Korean J Vet Res 1994; 34: 189~193.
- 17. Choi HS, Kang BK, Lee CG, Son CH. Application of progesterone measurement for fertility control in Korean native cattle. IAEA-TECDOC 1994: 83~89.
- 18. Na JS, Lim KT, Son CH. The induction of estrus and changes of plasma progesterone concentration during the gestation in Korean native goats. Korean J Anim Sci 1994; 36: 374~378.
- 19. Kang BK, Choi HS, Choi SG, Son CH, Kang HG. Progesterone assays as an aid for improving reproductive efficiency in dairy cattle. IV. Milk progesterone profiles for monitoring postpartum ovarian activity. Korean J Vet Res 1994; 34: 881~890.
- 20. Kang BK, Choi HS, Son CH, Oh KS, Kang HK, Kim, SJ Kim HJ, Kim NK. Progesterone assays as an aid for improving reproductive efficiency in dairy cattle. V. Plasma progesterone determination as applied to the differential diagnosis of reproductive disorders and judgement of treatment responses to PGF2α or GnRH treatment. Korean J Vet Res 1995; 35: 603~613.
- 21. Son CH, Schwarzenberger F, Arbeiter K. Relationship ultrasonography assessment of the corpus luteum area and milk progesterone concentration during the estrous cycle in cows. Reprod Dom Anim 1995; 30: 97~100.
- 22. Kang BK, Son CH, Yang DK, Wee SH. Isolation and identification of staphylococcus species with API staph-ident system from mastitic milk. Korean J Vet Med 1995; 12: 154~159.
- 23. Kang BK, Son CH, Kang HK, Yang DK. β-lactamase production in twelve staphylococcal species isolated from bovine mastitic milk. Korean J Vet Clin Med 1995; 12: 160~165.
- 24. Kang BK, Son CH, Song EA. Antibiotic susceptibility and β-lactamase production of Staphylococcus aureus and coagulase-negative staphylococci isolated from bovine mastitic milk. Korean J Vet Med 1995; 12: 166~173.
- 25. Son CH, Kang BK, Choi HS, Oh KS, Kang HK, Kim NK. Relationship between corpus luteum size as determined by ultrasonography and plasma progesterone concentrations after prostaglandin F2α or fenprostalene-induced luteolysis in dairy cows. Korean J Vet Clin Med 1995; 12: 174~185.
- 26. Son CH, Kang BK, Choi HS. Relationship between corpus luteum size as determined by ultrasonography and milk progesterone concentration during the estrous cycle in dairy cows. Korean J Vet Res 1995; 35: 833~841.
- 27. Schwarzenberger F, Son CH, Pretting R, Arbeiter K. Evalution of faecal progesterone metabolites during the oestrous cycle of cows. Reprod Dom Ani 1995; 30: 305~490
- 28. Kang BK, Son CH, Shin CR, Choi HS, Oh KS, Park IC. Ultrasonographic appearance of the gestational structures throughout accurately timed pregnancy in Korea Jin-do dogs. I. Time of initial detection of the fetal and extra-fetal structures. Korean J Vet Res 1996; 36: 235~245.
- 29. Son CH, Shin CR, Kang BK, Choi HS. Ultrasonographic appearance of the gestational structures throughout accurately timed pregnancy in Korea Jin-do dogs. II. Estimation of gestational age by measurement of the fetal and extra-fetal structures. Korean J Vet Res 1996; 36: 247~254.
- 30. Son CH, Shin CR, Oh KS, Park IC, Kang BK. Diagnosis of reproductive and lower urinary tract diseases using ultrasonography in dogs. Korean J Vet Clin Med 1996; 13: 9~19.
- 31. Kang BK, Son CH, Song EA. Toxin and/or enzyme production and pathogenecity of coagulase-negative staphylococci isolated from bovine milk. Korean J Vet Clin Med 1996; 13: 20~25.
- 32. Schwarzenberger F, Son CH, Pretting R, Arbeiter K. Use of group-specific antibodies to detect fecal progesterone metabolites during the estrous cycle of cows. Theriogenology 1996; 46: 23~32.
- 33. Son CH. Basic Principles for ultrasonography and ultrasonographic examination of reproductive organs in cattle. Korean J Emb Trans 1996; 11: 167~178.
- 34. Son CH, Kang BK, Choi HS, Kang HK, Oh KS, Shin CR. Use of ultrasonography for improving reproductive efficiency in cows. I. Accuracy of rectal palpation and ultrasonography for determining the presence of a functional corpus luteum in subestrous dairy cows. Korean J Vet Res 1996; 36: 941~948.
- 35. Son CH, Paik IS, Shin CR, Choi HS, Kang BK. The use of vaginal cytology for the determination of estrous cycle, optimal breeding time and ovulation time in Korea Jin-do dogs. Korean J Vet Clin Med 1996; 13: 114~122.
- 36. Shin CR, Son CH, Park IC, Choi HS, Kang BK. Fetal death and maceration in dog. Korean J Vet Clin Med 1997; 14: 112~117.
- 37. Han HJ, Park KM, Son CH, Yoon YD. Effect of high glucose concentration on IGF-1 binding and glucose transporters in renal proximal tubule cells. Korean J. Vet. Res. 1997; 37: 301~310.
- 38. Son CH, Kang BK, Choi HS, Lee NK, Shin CR, Han HJ, Yoon YD. Estimation of the time of ovulation and mating based on plasma progesterone concentrations in Korean Jin-do bitches. Korean J. Vet. Res. 1997; 37: 899~909.
- 39. Kang BK, Choi HS, Son CH, Shin CR, Seo DH, Park IC. Ultrasonographic appearance of the gestational structures throughout pregnancy in Pet dogs. I. Time of initial detection of the fetal and extra-fetal structures. Korean J. Vet. Clin. Med. 1997; 14: 279~286.
- 40. Son CH, Kang BK, Choi HS, Shin CR, Seo DH, Park IC. Ultrasonographic appearance of the gestational structures throughout pregnancy in Pet dogs. II. Estination of gestational age and prediction of parturition day by measurement of the gestational structures. Korean J. Vet. Clin. Med. 1997; 14: 287~296.
- 41. Kim SH, Chung CY, Son CH. Cell death by apoptosis in the neonatal mouse cerebellum following Gamma-iradiation. Anticancer Research 1998; 18:1629~1632.
- 42. Kang HG, Nakao T, Kang BK, Choi HS, Suh GH, Son CH. Development of differential diagnosis of reproductive disorders using ultrasonography in cows. I. Response of ovarian structures to CIDR treatment at Day 16 of estrous cycle in dairy heifers. Korean J. Vet. Clin. Med. 1998; 15: 131~139
- 43. Son CH, Kang BK, Choi HS, Kang HG, Paik IS, Suh GH. Use of ultrasonography for improving reproductive efficiency in cows. II. Comparative evaluation of ovarian structures using ultrasonography and plasma progesterone analysis in subestrous dairy cows. Korean J. Vet. Res. 1998; 38: 642~651.
- 44. Son CH, Kang BK, Choi HS, Kang HG, Oh KS, Suh DH, Suh GH. Development of differential diagnosis of reproductive disorders using ultrasonography in cows. Ⅱ. Differential diagnosis of subestrous dairy cows. Korean J. Vet. Clin. Med. 1998; 15(2): 307~318
- 45. Park SH, Koh HJ, Lee YH, Son CH, Park MK, Lee YJ, Han HJ. The roles of arachidonic acid and calcium in the angiotensin Ⅱ-induced inhibition of Na+ uptake in tenal proximal tubule cells. Korean J. Physiol. Pharmacol. 1999; 3: 83~91.
- 46. Yoon SR, Nah JJ, Choi S, Son CH, Shin DH, Ko SR, Kim SC. Nam KY, Nah SY. A simple method for conjugation between Ginsenoside Rf and bovine serum albumin. J. Ginseng Res. 1999; 23(1): 55~59.
- 47. Oh H, Lee SE, Yang JA, Jo SK, Chung CY, Son CH, Kim SH. The evaluation on the biological safety of diagnostic ultrasound using radiation-induced apoptosis in the external granular layer of mouse cerebellum. Korean J. Vet. Res. 1999; 39(3): 628~634.
- 48. Son CH, Kang BK, Choi HS, Kim KW, Kang HG, Shin CR, Park IC. Serial ultrasonographic appearance of postpartum uterine involution in Korean Jin-do dogs. Korean J. Vet. Res. 1999; 39(3): 653~664.
- 49. Son CH, Kang BK, Choi HS, Lim WH, Kang HG, Oh KS, Shin JB, Suh GH. Development of differential diagnosis of reproductive disorders using ultrasonography in cows. Ⅲ. Differential diagnosis between developings and regressing corpus luteum. Korean J. Vet. Clin. Med. 1999; 16(1): 118~127.
- 50. Son CH, Kang BK, Choi HS, Kang HG, Kim HJ, Oh KS, Suh GH. Development of differential diagnosis of reproductive disorders using ultrasonography in cows. Ⅳ. Confirmation of estrus detection and early pregnancy diagnosis. Korean J. Vet. Clin. Med. 1999; 16(1): 128~137.
- 51. Son CH, Kang BK, Choi HS, Kang HG, Lim WH, Park SK, Oh KS, Suh GH. Development of differential diagnosis of reproductive disorders using ultrasonography in cows. Ⅴ. Differential diagnosis of ovarian cysts in slaughtered cows. Korean J. Vet. Clin. Med. 1999; 16(1): 138~144.
- 52. Han HJ, Lee YH, Park SH, Choi HJ, Son CH, Yoon YD. Estradiol-17beta stimulates Ca2+ uptake thorough nongenomic action in renal proximal tubule cells. Recent progress in molecular and comparative endocrinology. 1999; 515~521.
- 53. Oh H, Lee SE, Yang JA, Jo SK, Son CH, Chung CY, Kim SH. Induction of apoptosis by Gamma-ray and diagnostic ultrasound exposure in the intestinal crypt cell. J. Toxicol. Pub. Health. 1999; 15(2): 199~204.
- 54. Oh H, Lee SE, Yang JA, Chung CY, Ryu SY, Huh MD, Jo SK, Son CH, Kim SH. Establishment of a biological indicator for the radiation and safety of diagnostic ultrasound using apoptosis. in vivo 2000; 14: 345~350.
- 55. Lee BC, Lee KN, Lee ES, Son CH, Yul IS, Choe SY, Rho KJ, Oh SJ, Jung KK, Kim SC, Kim KS, Joo SC, Jang G, Hwang WS. Studies on development of breeding technique to increase Hanwoo(Bos taurus coreanae). I. Survey of reproductive status and effect of intraovarian PGF2α adininistration on luteolysis and subsequent estrus induction. Korean J. Emb. Trans. 2000; 15(1): 77~83.
- 56. Moon JS, Joo YS, Jang GC, Yoon YD, Lee BK, Park YH, Son CH. Interpretation of protein-energy balance of feeding by milk urea nitrogen and milk protein contents in lactation Hostein cow. J. Anim. Sci & Technol. 2000; 42(4): 499~510.
- 57. Moon JS, Joo YS, Im SK, Jang GC, Yoon YD, Wee SH, Lee BK, Park YH, Son CH. Studies on health management and nutritional evaluation by the milk component analysis in dairy cows. I. Factors affecting on analysis of milk protein and urea concentrations. Kor. J. Vet. Publ. Hlth. 2000; 24(2): 105~111.
- 58. Moon JS, Joo YS, Im SK, Jang GC, Yoon YD, Wee SH, Lee BK, Park YH, Son CH. Studies on health management and nutritional evaluation by the milk component analysis in dairy cows. II. Biological factors influencing on the concentration of protein and urea nitrogen in raw milk. Kor. J. Vet. Publ. Hlth. 2000; 24(2): 113~122.
- 59. Kim SR, Kang HG, Oh KS, Park IC, Park SG, Kim SH, Son CH. Establishment of prediction table of parturition day by ultrasonography in Korean Jindo bitches. Korean J. Vet. Res. 2000; 40(2). 373~381.
- 60. Moon JS, Joo YS, Jang GC, Yoon YD, Lee BK, Park YH, Son CH. Studies on health management and nutritional evaluation by milk components analysis in dairy cows. Ⅲ. Relationship between concentration rates, and milk urea nitrogen and milk protein concentration in a large dairy herd of high yielding cows. Korean J. Vet. Res. 40(2). 383~391.
- 61. Park IC, Kang BK, Son CH. The echocardiographic assessment and clinical application of cardiac disease in Korea Jin-do dog. I. Echocardiographic indicese. Korean J. Vet. Clin. Med. 2000; 17(1): 178~186.
- 62. Park IC, Kang BK, Son CH. The echocardiographic assessment and clinical application of cardiac disease in Korea Jin-do dog. II. Comparison of aortic root internal dimension with right pulmonary artery internal dimension. Korean J. Vet. Clin. Med. 2000; 17(1): 187~193.
- 63. Park IC, Kang BK, Son CH. The echocardiographic assessment and clinical application of cardiac disease in Korea Jin-do dog. III. Detection of heartworm. Korean J. Vet. Clin. Med. 2000; 17(1): 194~204.
- 64. Kim JH, Chung KA, Kang HG, Oh KS, Park IC, Park SG, Han HJ, Son CH. Relationship between vaginal cytology and reproductive hormone during the estrous cycle in Korea Jin-do dog. Korean J. Vet. Clin. Med. 2000; 17(1): 225~233.
- 65. Kim SR, Lee JH, Son CH, Kim SH. A case report on epitheliocystis in cultured rock fish. Korean J Vet Clin Med. 2000; 17(2): 502~504.
- 66. Jang G, Son CH, Lee ES, Ryu IS, Lee KN, Lee DW, Oh MH, Oh SJ, Jun KK, Choi SY, Roh KJ, Kin SC, Lee BC, Hwang WS. Studies on development of breeding technique to increase Hanwoo(Bos taurus coreanae). Ⅱ. Early pregnancy diagnosis and incidence of reproductive disorders. Korean J. Emb. Trans. 2001; 16(1): 7~14.
- 67. Son CH, Jeong KA, Kim JH, Park IC, Kim SH, Lee CS. Establishment of the prediction table of parturition day with ultrasonography in small pet dogs. J. Vet. Med. Sci. 2001; 63(7): 715~721.
- 68. Kim YH, Son CH. Effects of PMSG and prostaglandin F2α on the reproduction, concentration of plasma progesterone and Na and K contents of the plasma and uterine fluid in pregnant rat. J Vet Clin Med. 2001. 18(1). 48~54.
- 69. Son CH, Kim HR, Kim JH, Jeong KA, Lee JH, Oh KS, Park IC, Park SG, Kim SH, Kim YH. Ultrasonographic appearance of postpartum uterine involution in small pet dogs. J Vet Clin Med. 2001. 18(1). 139~145.
- 70. Kim SH, Lee HJ, Kim SR, Lee JH, Jo SK, Nah SY, Son CH, Shin DH. Effect of Red Ginseng, White Ginseng and diehthydithiocarbamate in irradiated mice. J Ginseng Res. 2001. 25(2). 68~73.
- 71. Moon JS, Son CH, Joo YS, Kang HM, Jang GC, Kim JM. Studies on health management and nutritional evaluation by milk components analysis in dairy cows. Ⅳ. The relationship between milk composition from the first test within 35 days in milk and displaced abomasum in a large dairy herd of high yeilding Holstein cows. Korean J. Vet. Res. 41(3). 407~412.
- 72. Kim SH, Son CH, Nah SY, Jo SK, Jang JS, Shin DH. Modification of radiation response in mice by Panax ginseng and diethyldithiocarbamate. in vivo. 2001. 15(5). 407~412.
- 73. Son CH, Kang HG, Kim SH. Application of progesterone measurement for age and body weight at puberty, and postpartum anestrus in Korean native cattle. J Vet Med Sci. 2001. 63(12). 1287~1291.
- 74. Jeong SW, Oh KS, Son CH, Lee CH, Shin YG, Jang YG, Jeong MB, Choi CB, Yang NS, Jeon SH, Kim NR. Surgical treatment of urethral rupture due to urolithiasis in a Korean native male calf. Korean J Buiatrics. 2001. 6(2). 159~167.
- 75. Moon JS, Shin CB, Son CH, Joo YS, Kang HM, Kim JM. The relationship between milk composition and conditions of ovary and uterus with reproductive fresh check in early lactating cows. Korean J Vet Res. 2002. 42(2). 163~170.
- 76. Son CH, Oh BC, Lim WH, Baek JH, Oh MH, Lee KN, Jung KG, Kang SK, Lim DY, Yonh HY, Cho JK, Lee BC, Hwang WS. Studies on development of breeding technique to increase Hanwoo(Bos taurus coreanae). Ⅲ. Hormonal treatment of reproductive disorders and effect of intraovarian PGF2α administration in Hanwoo. Korean J. Emb. Trans. 2002; 17(2): 153~162.
- 77. Kim YH, Lee KW, Son CH. Effects of administration of GnRH alone and concomitant with PMSG on the fetus in pregnant rats. J Vet Clin. 2002. 19(3). 322~327.
- 78. Moon JS, Joo YS, Kang HM, Jang GC, Kim JM, Lee BK, Park YH, Son CH. Prediction of dietary protein-energy balance by milk urea nitrogen and protein contents in dairy cow. J Anim Sci & Technol. 2002. 44(5). 575~584.
- 79. Moon JS, Son CH, Lee BK, Joo YS, Kang HM, Kin JM, Kim BT, Moon HS. Development of program for herd health management by milk components analysis of dairy cows. Korean J Vet Res. 2002. 42(4). 485~493.
- 80. Lee JH, Kim NR, Park IC, Oh KS, Kim SR, Park SG, Moon JS, Bae CS, Kim SH, Kim YH, Son CH. Changes of vaginal epithelial cells in Korea Jin-do bitches after induction of estrus with PMSG and hCH. J Vet Clin. 2002. 19(4). 418~425.
- 81. Nam HO, Kim YH, Lee KW, Son CH. Effects of the administration of GnRH and HCG on the fetus in pregnant rats. J Vet Clin. 2003. 20(2). 212~219.
- 82. Kim SR, Kim TH, Lee HJ, Oh H, Cho SK, Oh KS, Park IC, Son CH, Kim SH. Radiobiological evaluation in Korean native goat bred in the nuclear power plant. J Vet Clin. 2003. 20(3). 317~322.
- 83. Oh KS, Park SG, Kim BS, Ko JS, Shin JB, Baek JH, Hong KG, Moon KS, Lim WH, Moon JS, Park IC, Kim YH, Son CH. Reproductive monitoring and estrus induction using ultrasonography and hormone assay in dairy cows. Ⅰ. Periodical examination of reproductive status and treatment of reproductive dysfunction. J Vet Clin. 2003. 20(3). 369~375.
- 84. Oh KS, Park SG, Kim BS, Ko JS, Shin JB, Baek JH, Hong KG, Moon KS, Lim WH, Moon JS, Park IC, Kim YH, Son CH. Reproductive monitoring and estrus induction using ultrasonography and hormone assay in dairy cows. Ⅱ. Differential diagnosis and treatment of coexist of cysts and corpus luteum. J Vet Clin. 2003. 20(3). 376~383.
- 85. Oh KS, Park SG, Kim BS, Ko JS, Shin JB, Baek JH, Hong KG, Moon KS, Lim WH, Moon JS, Park IC, Kim YH, Son CH. Reproductive monitoring and estrus induction using ultrasonography and hormone assay in dairy cows. Ⅲ. Estrus induction using PGF2α. J Vet Clin. 2003. 20(3). 384~388.
- 86. Ko JS, Kim BS, Lee SA, Cho YT, Kim JP, Oh KS, Kim SH, Kim JT, Park IC, Kim YH, Son CH. Ultrasonographic appearance of the gestational structures throughout pregnancy in Shih-tzu bitches. Ⅰ. Time of initial detection of the fetal and extra-fetal structures. J Vet Clin. 2004. 21(1). 29~34.
- 87. Kim KW, Hwang SS, Kim BS, Kim YJ, Cho KO, Oh KS, Kim JT, Park IC, Son CH. A report of left heart failure by aortic valvular stenosis in a mongrel dog. J Vet Clin. 2004. 21(1). 83~86.
- 88. Son CH. Main reproductive diseases associated with herd control in the parturition. Korean J Buiatrics. 2004. 9(1). 61-84.
- 89. Kim YH, Lee KW, Lam HO, Son CH. Effect of the administration of human menopausal gonadotropin on the pregnancy in rats. J Vet Clin. 2004. 21(2). 109~114.
- 90. Kim BS, Ko JS, Hwang SS, Lee SA, Cho YT, Oh KS, Kim SH, Park IC, Kim JT, Kim YH, Son CH. Ultrasonographic appearance of the gestational structures throughout pregnancy in Shih-tzu bitches. Ⅰ. Estimation of gestational age by measurement of the fetal and extra-fetal structures. J Vet Clin. 2004. 21(2). 143~148.
- 91. Kang HG, Kim IH, Paik IS, Son CH, Lee CS. Response of ovaries and cyst according to treatment with Dinoprost and Fenprostalene in dairy cows with ovarian luteal cyst. J Vet Clin. 2004. 21(2). 154~160.
- 92. Kim BS, Hwang SS, Park CH, Oh KS, Son CH. Diagnosis and treatment of benign prostate hyperplasia in a Shih-tzu dog. J Vet Clin. 2004. 21(2). 200~204.
- 93. Hwang SS, Kim BS, Ahn TH, Oh KS, Son CH. A report of surgical removal of urolithiasis by voiding urohydropropulsion to cystotomy in a Maltese dog. J Vet Clin. 2004. 21(2). 205~208.
- 94. Kim BS, Ko JS, Lee SE, Cho YT, Kim JP, Oh KS, Kim JT, Park IC, Kim YH, Son CH. Establishment of a prediction table of parturition day in Shih-tzu bitches with ultrasound scanning. Korean J Vet Res. 2004. 44(2). 303~310.
- 95. Kang HG, Kim IH, Son CH. Response of ovaries and cysts according to treatment with GnRH or combination GnRH and PGF2α in dairy cows with follicular cyst. J Vet Clin. 2004. 21(4). 384~394.
- 96. Oh KS, Kim BS, Jo YT, Ko JS, Hwang SS, Park CH, Kim JT, Park IC, Kim YH, Son CH. Serial ultrasonographic appearance of postpartum uterine involution in Shih-tzu bitches. J Vet Clin. 2005. 22(3). 233~238.
- 97. Kim BS, Lee SE, Ko JS, Hwang SS, Park CH, Oh KS, Kim JT, Park IC, Kim YH, Son CH. Estimation of ovulation and optimal breeding time based on reproductive hormone in Shih-tzu bitches. J Vet Clin. 2005. 22(3). 253~258.
- 98. Oh KS, Son CH, Kim BS, Hwang SS, Kim YJ, Park SJ, Jeong JH, Jeong C, Park SH, Cho KO. Segmental aplasia of uterine body in an adult mixed breed dog. J Vet Diagn Invest. 2005. 17. 490~492.
- 99. Hwang SS, Oh KS, Kim BS, Cho YT, Park CH, Kim JT, Park IC, Park JT, Park SK, Son CH. Serial ultrasonographic appearance of postpartum uterine involution in Cocker Spaniel bitches. Korean J. Emb. Trans. 2005. 20(3). 271~277.
- 100. Kim BS, Oh KS, Kim JP, Bae CS, Kim SH, Kim JT, Park IC, Park SG, Son CH. Estimation of ovulation and optimal breeding time based on vaginal cytology and determination of reproductive hormones in Shih-tzu bitches. Korean J Emb Trans. 2006. 21(3). 207~216.
- 101. Lim WH, Oh KS, Seo GJ, Hwang SS, Kim BS, Bae CS, Kim JT, Park IC, Park SG, Son CH. Treatment of reproductive dysfunctions and reproductive monitoring using ultrasonography in dairy cow. Korean J Emb Trans. 2006. 21(3). 217~223.
- 102. Lee HS, Seo TW, Cho SW, Hyun CB, Kim JT, Oh KS, Kim BS, Son CH, Park IC. Radiographic estimation of renal dimension in Korean Domestic cats. J Vet Clin. 2006. 23(4). 437~441.
- 103. Kim BS, Son CH. The development of head circumferences, changes of the eyes and the eruption time of deciduous teeth in Shih-tzu pups. J Vet Clin. 2006. 23(4). 442~447.
- 104. Kim BS, Son CH. Effect of estrus induction in Shih-tzu bitches by administration of PMSG and hCG. J Emb Trans. 2007. 22(1). 39~45.
- 105. Moon JS, Kim BT, Moon HS, Son CH. Development of computerized software program for reproductive management in dairy cows. J Vet Clin. 2007. 24(2). 142~149.
- 106. Kim BS, Son CH. Time of initial detection of fetal and extra-fetal structures by ultrasonographic examination in Miniature Schnauzer bitches. J Vet Sci. 2007. 8(3). 289~293.
- 107. Yeo YC, Kim BS, Yun CJ, Park CH, Kim JB, Moon JS, Suh GH, Oh KS, Son CH. Serial ultrasonographic evaluation of postpartum uterine involution in miniature Schnauzer dogs. J Emb Trans. 2007. 22(4). 229∼234.
- 108. Park SG, Kim BS, Yun CJ, Yeo YC, Park CH, Kim JP, Lee SK, Moon JS, Suh GH, Oh KS, Son CH. Time of initial detection of the gestational structures by ultrasonography examination in small pet dogs. J Emb Trans. 2008. 23(1). 5∼11.
- 109. Kim JB, Kim BS, Park SG, Kim JP, Moon JS, Suh GH, Oh KS, Son CH. The usefulness of vaginal cytology during the estrous cycle in Miniature Schnauzer dogs. J Emb Trans. 2008. 23(1). 13∼18.
- 110. Kim JB, Kim BS, Moon BK, Yun CJ, Park CH, Moon JS, Suh GH, Oh KS, Son CH. Estimation the ovulation time based on plasma estradiol-17β and progesterone concentrations in Miniature Schanuzer dogs. J Vet Clin. 2008. 25(2). 79~84.
- 111. Kim BS, Kim JH, Yun CJ, Park CH, Lee JH, Jeong KN, Moon JS, Oh KS, Son CH. Treatment of canine urinary bladder mass using Piroxicam. J Vet Clin. 2008. 25(2). 122~125.
- 112. Kim BS, Kim HS, Kim KC, Park CH, Oh KS, Son CH. Vaginal prolapse by ovarian follicular cysts in a female Jin-do dog. Korean J Vet Res. 2008. 48(2). 223∼225.
- 113. Oh KS, Kim BS, Park SG, Park CH, Kim JH, Mun BG, Kim HS, Lee JH, Park IC, Kim JT, Suh GH, Son CH. Growth curve of the gestational structures by ultrasonography examination in small pet dogs. J Emb Trans. 2008. 23(3). 147∼153.
- 114. Oh KS, Kim BS, Park SG, Park CH, Kim JH, Mun BG, Kim HS, Lee JH, Park IC, Kim JT, Suh GH, Son CH. Establishment of a prediction table of parturition day with ultrasonography examination in small pet dogs. J Emb Trans. 2008. 23(3). 155∼160.
- 115. Kim BS, Son CH. Estimation of gestational age by measurement of fetal and extra-fetal structures in Miniature Schnauzer bitches. J Vet Sci. 2008. 25(6). 501∼505.