Results 31 to 40 of about 550 (157)
Pre‐treatment of ram semen extender with magnetic nanoparticles on freeze‐thawed spermatozoa
Background Extensive use of different nanoparticles caused significant concerns about their biological safety. Objective This study aimed to evaluate the effects of cryopreservation on ram semen after adding magnetic nanoparticles (MNPs) to separate X ...
Maryam Moradi +4 more
doaj +1 more source
Effect of two pre-freezing methods on quality of sexed semen in Ettawa Grade goat
The aim of this study was to determine the influence of pre-freezing different procedures to the quality of Ettawa Grade goat frozen semen-sexing. The research material was semen sexing consisted of 2 layers those were top layer and bottom layer.
Y.S. Ondho, S.B. Udrayana
doaj +1 more source
Human semen quality and the secondary sex ratio
The aim of this study was to evaluate the association between semen quality and the secondary sex ratio (SSR), defined as the ratio of male to female live births. Our study cohort comprised 227 male partners who were enrolled prior to conception in Michigan and Texas between 2005 and 2009, and prospectively followed through delivery of a singleton ...
Jisuk Bae +4 more
openaire +3 more sources
Effect of cooling and freezing on the kinematic parameters of ram spermatozoa sexed by modified protocol with TLR7/8 ligand R848 [PDF]
The present study investigated the effect of sex-sorting by TLR7/8 ligand R848, cooling and cryopreservation on the motility and kinematic characteristics of ram spermatozoa for the first time.
Yotov Stanimir +4 more
doaj +1 more source
As farming has become more mechanized, male bovines have become less useful. Farmers don't want to keep bullocks for farming or any other kind of draught work. Because of this, male cows born at a farmer's house are now a problem. Farmers often let the male calves run free, which makes the number of wild animals grow.
openaire +1 more source
Percoll density gradient centrifugation (PDGC) is a widely used method for sperm separation in Indonesia. This study evaluated sperm quality, membrane integrity, acrosome damage, and DNA fragmentation after PDGC-based sperm sexing and cryopreservation ...
F. Safa +9 more
doaj +1 more source
The Quality of Frozen Semen Sexing with Percoll Medium and Bovine Serum Albumin (BSA) in Dorper Sheep and Saanen Goat [PDF]
The study aimed to determine the quality of frozen semen sexing with percoll medium and Bovine Serum Albumin (BSA) in Dorper sheep and Saanen goats. The research was designed based on the experimental method, as the main plot is livestock (M) consisting ...
Sumaryadi Mas Y. +5 more
doaj +1 more source
Comparative Analysis of Semen Quality and Kinematics in Sexed andNon-Sexed Sperm of Limousin Bulls
The application of spermatozoa sexing technology offers benefits in determining the desired sex in cattle. However, this technology requires particular attention to quality, DNA fragmentation, and kinematics of spermatozoa.
I. W. Syarif +3 more
doaj +1 more source
ABSTRAK. Sexing spermatozoa bertujuan untuk mengatur jenis kelamin sesuai harapan. Salah satu metode sexing adalah dengan menggunakan Sentrifugasi Gradien Densitas Percoll.
Rifai Mustofa +7 more
doaj +1 more source
Exploring the Impact of Sexed Semen on the Structure of the Dairy Industry [PDF]
Widespread commercial application of sexed semen is expected within the next decade because of continued improvements in fertility of sexed semen and sorting capacity. The objective of this study was to explore the potential impact of widespread application of sexed semen on the structure of the dairy industry in the United States. Historically, female
Department of Animal Sciences, University of Florida, Gainesville 32611 ( host institution ) +6 more
openaire +3 more sources

