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전체 선택해제
총 285건 검색
본문검색 결과만 보기
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Fertility Study of LBD-001 a Recombinant Human Interferon $gamma$, in Rats
Lee. Eun-Bang, Cho. Sung-Ig 한국응용약물학회 The journal of applied pharmacology : the official journal of the Korean Society of Applied Pharmaco 4 Pages
한국응용약물학회 The journal of applied pharmacology : the official journal of the Korean Society of Applied Pharmaco 1996, Vol.4 No.4 297-300 (4 pages)
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Relationship between sperm quality traits and field-fertility of porcine semen
I. A. Tsakmakidis, A. G. Lymberopoulos, T. A. A. Khalifa 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 2호 9 151-154 (4 pages)
at a private farm and aimed at examining the relationship between sperm quality traits and boar fertility in terms of farrowing rate and litter size. This experiment was done for 6 months. The semen samples were evaluated for subjective sperm motility and concentration. Ejaculates with at least 1 × 10 sperm/mL and 70% sperm progressive motility were extended with a commercial medium to 30 × 10 sperm/mL and used for artificial insemination (AI). AI dose was 100 mL semen containing 3 × 10... -
A comparative study of Sephadex, glass wool and Percoll separation techniques on sperm quality and IVF results for cryopreserved bovine semen
Hae-Lee Lee, Sue-Hee Kim, Dong-Beom Ji, Yong-Jun Kim* 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 3호 11 249-255 (7 pages)
this study was to compare the effects of spermatozoa separation techniques on sperm quality and in-vitro fertilization (IVF) results for cryopreserved bovine semen. Sephadex, glass wool and Percoll gradient separation techniques were used for sperm separation and sperm motility, morphology and membrane integrity were evaluated before and after separation. Also, cleavage and blastocyst developmental rate were investigated after IVF with sperm recovered by each separation technique. The motility... -
Immunohistochemical study of galectin-3 in mature and immature bull testis and epididymis
Hwanglyong Kim, Meejung Ahn, Changjong Moon, Seungjoon Kim, Youngheun Jee, Hong-Gu Joo, Taekyun Shin* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 4호 1 339-344 (6 pages)
Galectin-3, a member of the b-galactoside-binding protein family, has been implicated in mammalian sperm maturation. We examined galectin-3 expression in the testis and epididymis of sexually mature and immature bulls. Western blot analysis showed varying levels of galectin-3 in the bull testis and epididymis, and galectin-3 immunoreactivity was higher in the mature testis and epididymis than in immature organs. Galectin-3 was primarily localized in interstitial cells of the immature bull testis... -
Luteal lifespan and fertility after estrus synchronization in goats
Lu Meng Chao, Koji Takayama, Yoshitaka Nakanishi, Katsumi Hamana, Mitsuhiro Takagi, Chikara Kubota, *, Toshiyuki Kojima3 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 1호 13 95-101 (7 pages)
The present experiment aims to examine the efficiency of estrus synchronization using progesterone and equine chorionic gonadotrophin (eCG) and to look at luteal function. During the non-breeding and breeding season, 5 adult female Korean native goats were injected intramuscularly with 2.5 ml of physiological saline as the control. A progesterone impregnated intravaginal sponge was then kept in the same goats for 10 days followed, after a week, by an intramuscular injection of 500 IU eCG. Five... -
Immunohistochemical study of osteopontin in boar testis
Seungjoon Kim, Taekyun Shin 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 2호 1 107-110 (4 pages)
The expression of osteopontin (OPN) in boar testis was studied. Western blot analysis detected 66- and 32-kDa OPN immunopositive bands in the testes of adult boars. In postnatal piglets, the 66-kDa OPN band was detected in the testes, but not the 32-kDa band. In the newborn testis, OPN immunostaining was seen in gonocytes and in some supporting cells in the seminiferous tubules, as well as in interstitial Leydig cells. In the adult boar testis, OPN immunoreactivity was detected in seminiferous... -
An ultrastructural study on cytotoxic effects of mono(2-ethylhexyl) phthalate (MEHP) on testes in Shiba goat in vitro
Bibin Bintang Andriana, Tat Wei Tay, Ishii Maki, Mohammad Abdul Awal, Yoshiakira Kanai, Masamichi Kurohmaru, Yoshihiro Hayashi 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 3호 8 235-240 (6 pages)
In this study, the effects of mono(2-ethylhexyl) phthalate (MEHP), one of metabolites of di(2-ethylhexyl) phthalate, on immature Shiba goat testes in vitro were examined. The testes of 2-month-old Shiba goats were cut into smaller pieces, and seeded in medium. At 1, 3, 6 and 9 hr after administration of MEHP at various concentrations (0, 100 nmol·ml-1, 1 nmol·ml-1, and 1×10-3 nmol·ml-1, respectively), the specimens were obtained for light and transmission electron microscopic observations.... -
Research Articles : A Three-Year Field Validation Study to Improve the Integrated Pest Management of Hot Pepper
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 3호 8 294-304 (11 pages)
To improve the integrated pest management (IPM) of hot pepper, field study was conducted in Hwasung from 2010 to 2012 and an IPM system was developed to help growers decide when to apply pesticides to control anthracnose, tobacco budworm, Phytophthora blight, bacterial wilt, and bacterial leaf spot. The three field treatments consisted of IPM sprays following the forecast model advisory, a periodic spray at 7-to-10-day intervals, and no spray (control). The number of annual pesticide... -
Sources of Resistance to Bacterial Wilt Found in Vietnam Collections of Pepper (Capsicum annuum) and Their Nuclear Fertility Restorer Genotypes for Cytoplasmic Male Sterility
한국식물병리학회 The Plant Pathology Journal 5 Pages
한국식물병리학회 The Plant Pathology Journal 2012, 28권 4호 9 418-422 (5 pages)
Eleven hot pepper accessions collected in Vietnam showed stable resistance to bacterial wilt as well-known resistance sources, MC4 and MC5, in repeated inoculation tests with different Ralstonia solanacearum isolates conducted from 2004 to 2010. Seven of these accessions (specifically KC981, KC1006, KC1021, KC1027, KC1045, KC1050, and KC1055) resulted in stable male sterile F1 plants in the crosses with a cytoplasmically male sterile (CMS) Chilseong (CMS-A, Srfrf), and therefore, they were... -
A Study on Females’ Role Transformation and Adaptation in New Empty Nest Families: Illustrated by the Case of 7 Chinese Female
CUI Jinhai, Oh Jung A 글로벌청소년학회 글로벌청소년학연구 22 Pages
글로벌청소년학회 글로벌청소년학연구 2016, 제 6권 제 1호 1 7-28 (22 pages)
Influenced by the family planning policy, the empty nest families in China present middle-aged characteristics. This paper, through depth interview of the Chinese women whose empty nest period and menopause are overlapped, finds that the new “empty nest” females would go through four phases when they change their roles, which are role confusion period, role identity period, role acceptance period and role adjustment period. Moreover, this paper holds that the role change of females in empty... -
Comparative Study of Laws Governing Child Pornography
Park Ji Min, Kim Jung In 한국아동권리학회 아동과 권리 28 Pages
한국아동권리학회 아동과 권리 2016, 제 20권 제 3호 8 481-508 (28 pages)
This study investigated the relevant laws on child pornography in some countries to find a way to better protect the children worldwide from child sexual abuse as well as child pornography. Based on the comparative studies on the relevant laws in other countries, we propose legal reforms that would protect children from child sexual exploitation The main concern of the study is the prevention of child abuse. In summary, the criteria that determine child pornography can be different from country... -
A Study on the Current Status of Childcare Teacher Policy and Policy Evaluation in Korea
Gilsook Kim 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 16 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2022, Vol.16 No.2 11 231-246 (16 pages)
This study attempted to suggest the future direction of policy for childcare teachers in Korea by examining and evaluating the legal status of childcare teachers, the flow of childcare policies, and policies related to improving the treatment of childcare teachers by period. For this, the related laws, press releases, and basic mid-to-long-term childcare plans were analyzed by examining the respective home pages (websites) of the 「Child Care Act」 and the 「Early Childhood Education Act」, as... -
Life Chances and Birth Registration: A Study from Rural China
Berenice Nyland, Yang Gao, Zeng Xioadong, Josephine Ng 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 26 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2016, Vol.10 No.3 4 71-96 (26 pages)
China. The emphasis on early experiences in this study was designed to address issues of unequal life chances, that is, the opportunities that individuals have to improve their lives across the life span. Children in rural China are more likely to be educationally disadvantaged and lack of birth registration compounds this problem. This paper examines data from rural China that was designed to collect household information including details of birth registration. The survey data indicated that a... -
A Study on BMPR-IB Genes of Bayanbulak Sheep
Zuo. Beiyao, Qian. Hongguang, Wang. Ziyu, Wang. Xu, Nisa. Noor, Bayier. Aierdin, Ying. Shijia, Hu. Xiaolong, Gong. Changhai, Guo. Zhiqin, 아세아태평양축산학회 Asian-Australasian journal of animal sciences 7 Pages
아세아태평양축산학회 Asian-Australasian journal of animal sciences 2013, Vol.26 No.1 36-42 (7 pages)
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동아시아 두 섬의 신화와 전통주거 공간과의 상관성: 제주도와 오키나와의 화신(火神)의 신화와 부엌의 공간을 중심으로
이석주, 김영주 한국종교교육학회 종교교육학연구 14 Pages
한국종교교육학회 종교교육학연구 2022, 제 71권 13 233-246 (14 pages)
연구 목적 본 연구의 목적은 제주도와 오키나와의 신화에 투영된 두 섬의 전통민가에서 부엌의 공간과 화신(火神)의 의미를 연계해서 분석하는 것이다. 연구 내용 본 연구에서는 두 섬사람들은 그들의 신화의 내용에 근거해서 지었던 주거공간과 화신의 의미를 섬의 자연환경에 적합한 형태로 해석했다. 이러한 사유방식은 궁극적으로 이들에게 자연과 인간이 소통할 수 있는 결정적인 계기를 제공했다. 두 섬의 신화는 섬에서 생활하는 섬사람들의 실생활의 정서와 믿음을 반영하고 있다. 이같은 문화적 요소의 특징이 ‘원망의... -
Cigarettesmoke impaired maturation of ovarian follicle and abnormal growth of uterus innerwall via changed expression of estrogen receptors and cell cycle arrest proteinp21 in female rats
Hae Miru Lee, Cho Won Kim, Kyung Chul Choi 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 353 384-385 (2 pages)
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Establishment and characterization of induced myogenic stem cell
Eun Joo Lee, Yong Deuk Kim, Hyeong Mi Kim, Ahmed Elphadl, Kyu Shik Jeong 대한수의학회 대한수의학회 학술대회발표집 1 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 352 384-384 (1 pages)
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A case report : fowl cholera in breeder duck
Seok Chan Park, Il Jang, Byung Kook Choi, Sung Joon Joh, Hyuk Man Kwon, You Chan Bae 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 351 383-384 (2 pages)
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Glucocorticoids regulate expression of lung calbindin-D9k in mouse
Jin Yong An, Eui Bae Jeung 대한수의학회 대한수의학회 학술대회발표집 1 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 241 325-325 (1 pages)
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Identification and characterization of outer membrane vesicles (OMVs) derived from antimicrobial resistant and sensitive Escherichia coli
Si Won Kim, Seong Bin Park, Se Pyeong Im, Jung Seok Lee, Jae Wook Jung, Tae Sung Jung 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 춘계학술심포지움 19 91-92 (2 pages)
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Isolation of CD4+CD25+ Canine Regulatory T cells
Jin Wook Kim, Gun Hwi Lee, Kyung Chul Choi 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 253 347-348 (2 pages)
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Single-factor-encoding mRNA mediate direct lineage reprogramming of human umbilical cord blood-derived mesenchymal stem cells into neural stem cells
Bo Eun Kim, Soon Won Choi, Ji Hee Shin, Myoung Geun Kook, Kyung Sun Kang 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 243 342-343 (2 pages)
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Patterns of antioxidant and apoptotic gene expressions in the testes between normal aged male mice and hyperthermic scrotal mice for the establishment of andropause animal models
Soo Young Yoon, Sol Ji Choi, Jae Pung Han, Lee Wha Gwon, Beon Jun Lee, Young Won Yun, Sang Yoon Nam 대한수의학회 대한수의학회 학술대회발표집 1 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 242 342-342 (1 pages)
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Ultrasonographic ovarian dynamic, plasma progesterone, and non-esterified fatty acids in lame postpartum dairy cows
Pedro Melendez, Veronica Gomez, Hans Bothe, Francisco Rodriguez, Juan Velez, Hernando Lopez, Julian Bartolome, Louis Archbald 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 16 462-467 (6 pages)
The objective of this study was to compare ovulation rate, number of large ovarian follicles, and concentrations of plasma progesterone (P4) and non-esterified fatty acids (NEFA) between lame (n = 10) and non-lame (n = 10) lactating Holstein cows. The study was conducted in an organic dairy farm, and cows were evaluated by undertaking ultrasonography and blood sampling every 3 days from 30 days postpartum for a period of 34 days. Cows which became lame during the first 30 days postpartum... -
Production of transgenic pigs using a pGFAP-CreERT2/EGFP LoxP inducible system for central nervous system disease models
Seon-Ung Hwang, Kiyoung Eun, Junchul David Yoon, Hyunggee Kim, Sang-Hwan Hyun 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 13 434-445 (12 pages)
Transgenic (TG) pigs are important in biomedical research and are used in disease modeling, pharmaceutical toxicity testing, and regenerative medicine. In this study, we constructed two vector systems by using the promoter of the pig glial fibrillary acidic protein (pGFAP) gene, which is an astrocyte cell marker. We established donor TG fibroblasts with pGFAP-CreERT2/LCMV-EGFPLoxP and evaluated the effect of the transgenes on TG-somatic cell nuclear transfer (SCNT) embryo development. Cleavage... -
Dembo polymerase chain reaction technique for detection of bovine abortion, diarrhea, and respiratory disease complex infectious agents in potential vectors and reservoirs
Sayed Samim Rahpaya, Shinobu Tsuchiaka, Mai Kishimoto, Mami Oba, Yukie Katayama, Yuka Nunomura, Saki Kokawa, Takashi Kimura, Atsushi Kob 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 4 350-357 (8 pages)
Bovine abortion, diarrhea, and respiratory disease complexes, caused by infectious agents, result in high and significant economic losses for the cattle industry. These pathogens are likely transmitted by various vectors and reservoirs including insects, birds, and rodents. However, experimental data supporting this possibility are scarce. We collected 117 samples and screened them for 44 bovine abortive, diarrheal, and respiratory disease complex pathogens by using Dembo polymerase chain... -
Cytological endometritis in dairy cows: diagnostic threshold, risk factors, and impact on reproductive performance
Soo Chan Lee, Jae Kwan Jeong, In Soo Choi, Hyun Gu Kang, Young Hun Jung, Soo Bong Park, Ill Hwa Kim 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 2호 17 301-308 (8 pages)
We determined the threshold proportion of polymorphonuclear leukocytes (PMNs) for a diagnosis of cytological endometritis (CEM), the risk factors for this condition, and its impact on reproductive performance in dairy cows. Uterine cytology was performed on 407 Holstein cows 4 weeks postpartum to determine the proportions of endometrial cells and PMNs. A receiver operator characteristics curve was used to determine the threshold above which the PMN proportion affected the likelihood of cows... -
Effect of phosphorus deficiency on erythrocytic morphology and function in cows
Ziwei Zhang, Mingyu Bi, Jie Yang, Haidong Yao, Zhonghua Liu, Shiwen Xu 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 3호 10 333-340 (8 pages)
The aim of this study was to evaluate the influence of phosphorus (P) deficiency on the morphological and functional characteristics of erythrocytes in cows. Forty Holstein-Friesian dairy cows in mid-lactation were randomly divided into two groups of 20 each and were fed either a low-P diet (0.03% P/kg dry matter [DM]) or a control diet (0.36% P/kg DM). Red blood cell (RBC) indices results showed RBC and mean corpuscular hemoglobin decreased while mean corpuscular volume increased significantly... -
Neuronal maturation in the hippocampal dentate gyrus via chronic oral administration of Artemisa annua extract is independent of cyclooxygenase 2 signaling pathway in diet-induced obesity mouse model
Hye Kyung Baek, Pan Soo Kim, Ji Ae Song, Dong-Hwa Choi, Do Eun Kim, Seung Il Oh, Sang-Kyu Park, Sung-Jo Kim, Ki-Duk Song, In Koo 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 2호 1 119-127 (9 pages)
(AA) has anti-adipogenic properties in vitro and in vivo. Reduction of adipogenesis by AA treatment may dampen systemic inflammation and protect neurons from cytokine-induced damage. Therefore, the present study was undertaken to assess whether AA increases neuronal maturation by reducing inflammatory responses, such as those mediated by cyclooxygenase 2 (COX-2). Mice were fed normal chow or a high-fat diet with or without chronic daily oral administration of AA extract (0.2 g/10 mL/kg) for 4... -
Alginate encapsulation preserves the quality and fertilizing ability of Mediterranean Italian water buffalo (Bubalus bubalis) and Holstein Friesian (Bos taurus) spermatozoa after cryopreservation
Sara Perteghella, Alessandro Gaviraghi, Silvia Cenadelli, Valeria Bornaghi, Andrea Galli, Barbara Crivelli, Barbara Vigani, Dani 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 1호 11 81-88 (8 pages)
AI procedures are commonly used in bovine, use of AI has been limited in buffalo. In the zootechnical field, different studies have been conducted to develop techniques for improvement of fertilizing ability of buffalo spermatozoa after AI. In this study, for the first time, the use of alginate encapsulation and cryopreservation of buffalo spermatozoa is described, and the same procedure was performed with Holstein Friesian (Bos taurus) semen. Results obtained from in vitro analyses indicate th... -
Effects of gonadotropin-releasing hormone administration or a controlled internal drug-releasing insert after timed artificial insemination on pregnancy rates of dairy cows
Jae Kwan Jeong, In Soo Choi, Hyun Gu Kang, Tai Young Hur, Ill Hwa Kim 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 18 577-582 (6 pages)
This study investigated the effects of gonadotrophin-releasing hormone (GnRH) administration (Experiment 1) and a controlled internal drug-releasing (CIDR) insert (Experiment 2) after timed artificial insemination (TAI) on the pregnancy rates of dairy cows. In Experiment 1, 569 dairy cows that underwent TAI (day 0) following short-term synchronization with prostaglandin F2α were randomly allocated into two groups: no further treatment (control, n = 307) or injection of 100 μg of gonadorelin on... -
Improvement of pregnancy rate by intrauterine administration of dexamethasone and recombinant human leukemia inhibitory factor at the time of embryo transfer in cattle
Sangho Roh, Se-Woong Kim, Yeon-Gil Jung, Jong-Im Park 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 17 569-576 (8 pages)
Bovine embryos (day 5) were cultured to day 10 with or without 100 ng/mL PGF2α in medium supplemented with control; 100 nM Dex; 1,000 U/mL recombinant human leukemia inhibitory factor (rhLIF); or Dex+rhLIF. Although the rates to development to the blastocyst were not significantly different among groups, the hatching rate after additional culture with Dex +/or rhLIF was significantly higher in all supplemented groups than the control (p ＜ 0.05). In the presence of PGF2α, the hatching rate was... -
Establishment of hydrochloric acid/lipopolysaccharide-induced pelvic inflammatory disease model
Yeonsu Oh, Jaehun Lee, Hyeon-Cheol Kim, Tae-Wook Hahn, Byung-Il Yoon, Jeong-Hee Han, Yong-Soo Kwon, Joung Jun Park, Deog-Bon Koo 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 3호 20 413-419 (7 pages)
the peritoneum, it often causes systemic sepsis leading to death and the PID was not consistently demonstrated. Hydrochloric acid (HCl) has been used to induce inflammation in the lungs and stomach but not tested for reproductive organs. In this study, we developed a PID model in mice by HCl and LPS sequential intracervical (i.c.) administration. The proinflammatory cytokines, interleukin (IL)-1β, IL-6 and tumor necrosis factor-α, were detected in the mouse uterus by western blot analysis and... -
Reproductive ability of a cloned male detector dog and behavioral traits of its offspring
Ji Hyun Lee, Geon A Kim, Rak Seung Kim, Jong Su Lee, Hyun Ju Oh, Min Jung Kim, Do Kyo Hong, Byeong Chun Lee 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 3호 19 407-411 (5 pages)
cloned male and normal female by natural breeding and produced ten offspring. In this study, we investigated the puppies’ temperaments, which we later compared with those of the cloned parent male. The results show that the cloned male had normal reproductive abilities and produced healthy offspring. All puppies completed narcotic detector dog training with a success rate for selection of 60%. Although the litter of cloned males was small in this study, a cloned male dog bred by natural mating... -
Cloned foal derived from in vivo matured horse oocytes aspirated by the short disposable needle system
Wonyou Lee, Kilyoung Song, Inhyung Lee, Hyungdo Shin, Byeong Chun Lee, Seongchan Yeon, Goo Jang 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 4호 15 509-516 (8 pages)
obtaining recipient oocytes for equine somatic cell nuclear transfer (SCNT). This study was conducted: (1) to evaluate the possibility of oocyte aspiration from pre-ovulatory follicles using a short disposable needle system (14-G) by comparing the oocyte recovery rate with that of a long double lumen needle (12-G); (2) to investigate the developmental competence of recovered oocytes after SCNT and embryo transfer. The recovery rates with the short disposable needle vs. the long needle were not... -
Effects of chelated Zn/Cu/Mn on redox status, immune responses and hoof health in lactating Holstein cows
Xue-Jun Zhao, Zhong-Peng Li, Jun-Hong Wang, Xiang-Ming Xing, Zhen-Yong Wang, Lin Wang, Zhong-Hua Wang 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 4호 7 439-446 (8 pages)
To evaluate the effects of chelated Zn/Cu/Mn on redox status, immune responses and hoof health in lactating Holstein cows, 48 head in early lactation were divided into healthy or lame groups according to their gait score. Cows were fed the same amount of Zn/Cu/Mn as sulfate salts or in chelated forms for 180 days, and foot-and-mouth disease (FMD) vaccine was injected at day 90. The results showed that lame cows had lower antioxidant function, serum Zn/Mn levels, hair Cu levels, and hoof... -
Stress and pain response after oligofructose induced-lameness in dairy heifers
Hedie A. Bustamante, Alfredo R. Rodr?guez, Daniel E. Herzberg, Marianne P. Werner 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 4호 3 405-411 (7 pages)
Lameness is one of the most painful conditions that affects dairy cattle. This study was conducted to evaluate clinical signs and plasma concentration of several pain and stress biomarkers after oligofructose-induced lameness in dairy heifers. Lameness was induced using an oligofructose overload model in 12 non-pregnant heifers. Clinical parameters and blood samples were obtained at 48 and 24 h and at 6, 12, 24, 36 and 48 h after induction of lameness. Clinical parameters included heart rate,... -
Influence of category−heifers, primiparous and multiparous lactating cows−in a large-scale resynchronization fixed-time artificial insemination program
Márcio de Oliveira Marques, Fábio Morotti, Camila Bizarro da Silva, Mario Ribeiro Júnior, Rubens C&am 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 3호 15 367-371 (5 pages)
This study was conducted to evaluate the influence of category (heifers, primiparous or multiparous cows) on pregnancy rates in a large scale resynchronization ovulation program. Nelore heifers (n = 903), primiparous lactating cows (n = 338) and multiparous lactating cows (n = 1,223) were synchronized using a conventional protocol of estradiol/P4-based fixed-time artificial insemination (FTAI). Thirty days after ultrasonography, females who failed the first FTAI were resynchronized with the same...
