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Development of in vitro produced porcine embryos according to serum types as macromolecule
Jungmin Son, Don Buddika Oshadi Malaweera, Eunsong Lee, Sangtae Shin, Jongki Cho 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 11 315-321 (7 pages)
This study was conducted to establish an in vitro maturation (IVM) system by selection of efficient porcine serum during porcine in vitro production. To investigate the efficient porcine serum (PS), different types of PS [newborn pig serum, prepubertal gilt serum (PGS), estrus sow serum, and pregnancy sow serum] were used to supplement IVM media with or without gonadotrophin (GTH) and development rates of parthenogenetic activation (PA) and in vitro fertilization (IVF) embryos were then... -
Quercetin improves the in vitro development of porcine oocytes by decreasing reactive oxygen species levels
Jung-Taek Kang, Dae-Kee Kwon, Sol-Ji Park, Su-Jin Kim, Joon-Ho Moon, Ok-Jae Koo, Goo Jang, Byeong-Chun Lee* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 1호 3 15-20 (6 pages)
Quercetin is a plant-derived flavonoid found in fruits or vegetables that has antioxidant properties and acts as a free radical scavenger. We investigated the effects of quercetin on porcine oocyte nuclear maturation and embryonic development after parthenogenetic activation. We then evaluated the antioxidant activities of quercetin by measuring reactive oxygen species (ROS) levels in matured oocytes. Immature oocytes were untreated or treated with 1, 10, and 50 ug/mL quercetin during in vitro... -
In vitro susceptibility of Staphylococcus aureus strains isolated from cows with subclinical mastitis to different antimicrobial agents
Ayman El Behiry*, Gerd Schlenker, Istvan Szabo, Uwe Roesler 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 2호 6 153-161 (9 pages)
Sensitivity to commercial teat dips (nonoxinol-9 iodine complex and chlorhexidine digluconate) of 56 Staphylococcus (S.) aureus strains isolated from quarter milk samples of various German dairy herds treated with different teat dipping schemes was investigated in this study. The minimum inhibitory concentration was determined using a broth macrodilution method according to the German Veterinary Association guidelines. The main objective of the current study was to induce in vitro resistance... -
Post-mortem re-cloning of a transgenic red fluorescent protein dog
So Gun Hong, Ok Jae Koo, Hyun Ju Oh, Jung Eun Park, Minjung Kim, Geon-A Kim, Eun Jung Park, Goo Jang, Byeong-Chun Lee* 대한수의학회 Journal of Veterinary Science 3 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 4호 15 405-407 (3 pages)
Recently, the world's first transgenic dogs were produced by somatic cell nuclear transfer. However, cellular senescence is a major limiting factor for producing more advanced transgenic dogs. To overcome this obstacle, we rejuvenated transgenic cells using a re-cloning technique. Fibroblasts from post-mortem red fluorescent protein (RFP) dog were reconstructed with in vivo matured oocytes and transferred into 10 surrogate dogs. One puppy was produced and confirmed as a re-cloned dog. Although... -
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)
An investigation involving seven boars, active in artificial insemination, and 1,350 multiparous sows was conducted 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... -
Effect of mastitis on raw milk compositional quality
Henry Ogola, Anakalo Shitandi, Jackin Nanua 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 3호 6 237-242 (6 pages)
infection on the quality of milk composition in small-scale dairy bovine herds. The purpose of this study was to find a milk quality somatic cell count (SCC) standard that could be used as an integral component of a control program. In all, 396 quarter milk samples from lactating cross-bred cows (Holstein & Zebu) were analyzed; 56% of these quarters were experiencing intramammary infection, with an overall mean SCC of 5.46 × 105 ± 2.30 × 104cells/ ml. Infected quarters had significantly (p <... -
Genotoxicity and toxicological effects of acrylamide on reproductive system in male rats
Hye-Jin Yang, Sang-Hyun Lee, Yong Jin, Jin-Hyang Choi, Chang-Hoon Han, Mun-Han Lee 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2005, 제 6권 제 2호 3 103-109 (7 pages)
decreased significantly in an acrylamide dose-dependent manner. Rats treated with 60 mg/kg/day of acrylamide showed several histopathological lesions in the seminiferous tubules. There were thickening and multiple layering of the tubular endothelium, and the formation of many multinucleated giant cells in seminiferous tubules. Taken together, acrylamide not only causes the genotoxicity of eukaryotic cells and mice but also shows the toxicological effects on reproductive system in male rats. -
Development of a sandwich ELISA for the detection of Listeria spp. using specific flagella antibodies
Seong-Hee Kim, Min-Keun Park, Jin-Young Kim, Pham Duc Chuong, Yong-Soon Lee, Byoung-Su Yoon, Kyu-Kye Hwang, Yoon- Kyu Lim 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2005, 제 6권 제 1호 6 41-46 (6 pages)
at 22℃ and 1×106 cells/0.1 ml at 30℃. ELISA using the pair of MAbs (MAbs 2B1 and HRP labeled MAbs 7A3) detected up to 104cells/0.1 ml at 22℃ and 30℃. Detection limit of sandwich ELISA using IgY was 10 times lower than MAb pair. Using the developed ELISA, we could detect several Listeria contaminated in food samples after 48 h-culturing. In conclusion, both MAbs and IgY have been proved to be highly specific to detect Listeria flagella and the developed sandwich ELISA using these antibodies... -
Isolation and identification of Escherichia coli O157:H7 using different detection methods and molecular determination by multiplex PCR and RAPD
Ji-Yeon Kim, So-Hyun Kim, Nam-Hoon Kwon, Won-Ki Bae, Ji-Youn Lim, Hye-Cheong Koo, Jun-Man Kim, Kyoung-Min Noh, Woo-Kyung Jung, K 대한수의학회 Journal of Veterinary Science 13 Pages
대한수의학회 Journal of Veterinary Science 2005, 제 6권 제 1호 2 7-19 (13 pages)
Escherichia coli O157:H7 is recognized as a significant food-borne pathogen, so rapid identification is important for food hygiene management and prompt epidemiological investigations. The limited prevalence data on Shiga toxin-producing E. coli (STEC) and E. coli O157:H7 in foods and animals in Korea made an assessment of the risks difficult, and the options for management and control unclear. The prevalence of the organisms was examined by newly developed kit-E. coli O157:H7 Rapid kit. For the... -
Thickness of cumulus cell layer is a significant factor in meiotic competence of buffalo oocytes
Hassan M. Warriach, Kazim R. Chohan 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 3호 10 247-251 (5 pages)
co-cultured with cumulus cells (34.5%) but did not differ from oocytes having 1-2 layers of cumulus cells (51.4%). The degeneration rates were higher (p < 0.05) for oocytes with partial or no cumulus cells (51%) than rest of the groups (range: 13.8% to 17.4%). These results suggest that buffalo oocytes with intact layers of cumulus cells show better IVM rates than oocytes without cumulus cells and the co-culture of poor quality oocytes with cumulus cells improves their meiotic competence.
