Zobrazeno 1 - 10
of 135
pro vyhledávání: '"Sang Rae Cho"'
Autor:
Jun Sang Ahn, Jung Suh Shin, Min Ji Kim, Gi Hwal Son, Eung Gi Kwon, Jae Yoon Shim, Il Young Kim, Sung Myoun Cho, Sang Rae Cho, Byung Ki Park
Publikováno v:
Journal of Animal Science and Technology, Vol 61, Iss 3, Pp 170-181 (2019)
This study aimed to investigate the effects of temperature and retention time of the pressurized steam chamber on the ruminal fermentation characteristics and nutrient degradability of corn flakes in three Korean native Hanwoo cows and three Holst
Externí odkaz:
https://doaj.org/article/d59d426cf7234c27b1bab85f2dbed9fa
Autor:
Yonghwan Kim, Myungsun Park, Jeong Il Won, Shil Jin, Hyoun Ju Kim, Eunju Kim, Sung Woo Kim, Sang-Rae Cho, Seunghoon Lee, Youl-Chang Baek, Bongki Kim, Sung-Sik Kang
Publikováno v:
Journal of Animal Reproduction and Biotechnology, Vol 39, Iss 3, Pp 201-211 (2024)
Background: Hanwoo cattle farmers aim to improve calf production and reproductive efficiency. Recovery of the reproductive tract postpartum is a critical factor influencing the postpartum period and conception of breeding cows. This study aimed to pr
Externí odkaz:
https://doaj.org/article/e6c930a196c7483697075c6fdc79b1fa
Autor:
Sung-Sik Kang, Sang-Rae Cho, Ui-Hyung Kim, Yonghwan Kim, Seok-Dong Lee, Myung-Suk Lee, Eunju Kim, Jeong-Il Won, Shil Jin, Hyoun-Ju Kim, Sungwoo Kim, Sun-Sik Jang, Seunghoon Lee
Publikováno v:
Journal of Animal Reproduction and Biotechnology, Vol 39, Iss 1, Pp 40-47 (2024)
Background: Sperm quality and the number of sperm introduced into the uterus during artificial insemination (AI) are pivotal factors influencing pregnancy outcomes. However, there have been no reports on the relationship between sperm concentration a
Externí odkaz:
https://doaj.org/article/59464ebc10a24e0b8eb5eee6b35e931c
Autor:
Seungmin Ha, Namtae Kim, Mi-Ryung Park, Seyoung Lee, Sang-Rae Cho, Huimang Song, Daehyeok Jin, Ui-Hyung Kim, Yeoung-Gyu Ko
Publikováno v:
Animals, Vol 14, Iss 17, p 2591 (2024)
Superovulation is a technique used to increase the number of oocytes released for fertilization. This study investigated the effects of short-term differences in concentrate feed intake on in vivo embryo production through superovulation in indigenou
Externí odkaz:
https://doaj.org/article/411a55fe0909490bbabde03e0948ab8c
Publikováno v:
Journal of Animal Reproduction and Biotechnology, Vol 36, Iss 2, Pp 82-90 (2021)
In the present study, we examined if deep uterine artificial insemination (DUAI) can improve the pregnancy rate of artificial insemination (AI) using epididymal spermatozoa (ES) in Hanwoo cattle. The estrus cycles of 88 Hanwoo cows were synchronized,
Externí odkaz:
https://doaj.org/article/2ac8cb0d8ef64a1b981a054a0d0bc187
Publikováno v:
Journal of Animal Reproduction and Biotechnology, Vol 35, Iss 4, Pp 307-314 (2020)
In the present study, we examined the effect of straw size on spermatozoa motility, viability, acrosome integrity, mitochondrial membrane potential, and plasma membrane integrity after freezing-thawing. Hanwoo semen was collected from three bulls and
Externí odkaz:
https://doaj.org/article/ad18004c4e2547838c71565bce9def5b
Publikováno v:
Journal of Animal Reproduction and Biotechnology, Vol 34, Iss 4, Pp 300-304 (2019)
This study was conducted to examine the oocyte recovery efficiency through having an OPU session once and twice a week. Also, the oocyte recovery efficiency was examined by using OPU after two and three months of rest period. Six cows were used for o
Externí odkaz:
https://doaj.org/article/234018ee7680461da818c5d85a761ed4
Publikováno v:
Veterinární Medicína, Vol 64, Iss 1, Pp 33-36 (2019)
Two Hanwoo steers were emergency-slaughtered due to symptoms of urethral obstruction. The steers were of the same age and were raised using the same feed management. The remaining 22 cattle in the finishing period showed no symptoms of urinary calcul
Externí odkaz:
https://doaj.org/article/d1a8bce126b64517843f01fcb7544c89
Publikováno v:
Journal of Animal Reproduction and Biotechnology, Vol 33, Iss 4, Pp 321-326 (2018)
In this study, two epididymal spermatozoa recovery methods in relation to sperm number, motility, viability and acrosome reaction were examined. Seven bulls were castrated and 7 testicles with epididymides were transferred to the laboratoy. Epididymi
Externí odkaz:
https://doaj.org/article/96571999f60f48ddb49bd6218baf86de
Publikováno v:
Journal of Animal Reproduction and Biotechnology, Vol 33, Iss 1, Pp 13-16 (2018)
We observed the external genitalia and uterus of a 24-month-old freemartin Hanwoo. The vulva was smaller than observed in a normal female Hanwoo, while the clitoris was larger in the freemartin. The angle between the external genitalia and the perine
Externí odkaz:
https://doaj.org/article/8185c50b367d4442967e6f7b5293c2ac