Results 21 to 30 of about 150,553 (148)

Cryopreservation of Pike Perch Sperm in Hatchery Conditions [PDF]

, 2008
Experiments were carried out on pike perch (Sander lucioperca L.) to find a method for stripping sperm without contamination by urine, to determine sperm concentration, and to fertilize large batches of eggs with cryopreserved sperm.
Urbányi, Béla, Horváth, László, Horváth, Ákos, Bokor, Zoltán   +3 more
core   +1 more source

Building families—Implementing balanced sexual and reproductive health

International Journal of Gynecology &Obstetrics, EarlyView.
Abstract One of the main initiatives of the World Health Organization (WHO) is the promotion of Sexual and Reproductive Health (SRH). Sexuality, infertility, and contraception are three interconnected pillars of SRH, each essential for achieving global equity in family planning and family building.
Peter Y. Liu, Edgar Mocanu, Linda Giudice, Marcos Horton, Meletios P. Nigdelis, Antti Perheentupa, Andrea Sansone, Giovanni Corona, Luca Gianaroli, Dimitrios G. Goulis   +9 more
wiley   +2 more sources

EVALUATION OF THE EFFECTIVENESS OF THE IMPLEMENTATION OF COMPONENT STAGES OF SPERM CRYOPRESERVATION IN BROWN TROUT (SALMO TRUTTA MORPHA FARIO LINNE)

Ribogospodarsʹka Nauka Ukraïni, 2015
Purpose. To conduct the approbation of the previously developed dehydration-vitrification method on the sperm of brown trout with a rough estimate of component stages and process steps in the cryopreservation of the biological object: temperature ...
V. Filipov, A. Mruk, L. Dragan, L. Galoyan, L. Buchatsky   +4 more
doaj   +1 more source

EFFECT OF DIFFERENT CRYOPROTECTIVE AGENTS ON SKIM MILK AND DIMITROPOULUS EXTENDER FOR STALLION SEMEN CRYOPRESERVATION [PDF]

, 2010
Cryoprotective agents (CPAs) protect sperm during cryopreservation. The objective of this study was to assess different CPAs on stallion semen cryopreservation. Skim milk (SM) and Dimitropoulos (DV) were the extenders used in this study; each was added
Purwantara, B, Arifiantini, RI, Sajuthi, D, Yusuf, TL   +3 more
core   +1 more source

Timing of semen cryopreservation: before or after processing? [PDF]

Revista Brasileira de Ginecologia e Obstetrícia
Objective: Seminal cryopreservation causes significant damage to the sperm; therefore, different methods of cryopreservation have been studied. The aim of the study was to compare the effects of density gradient processing and washing/centrifugation with
Ana Paula de Souza Kussler, Ivan Cunha Bustamante Filho, Elisa Negri, Edison Capp, Helena von Eye Corleta   +4 more
doaj   +1 more source

Comparison of Membrane Characteristics between Freshly Ejaculated and Cryopreserved Sperm in the Chicken

The Journal of Poultry Science, 2016
Cryopreserved sperm undergoes serious damage which affects its fertilizing ability. Despite progress in understanding the nature of functional deterioration in mammalian sperm, little is known about the mechanism involved in the induction of functional ...
Ai Ushiyama, Naoto Ishikawa, Atsushi Tajima, Atsushi Asano   +3 more
doaj   +1 more source

Potential application of cryogenic freezer on turbot sperm cryopreservation

, 2022
BACKGROUND: Cryopreservation is a common practice to preserve fish sperm for prolonged periods.OBJECTIVE: To examine the effect of different freezing protocols on sperm characteristics,fertilization, and hatching rate of turbot.
Aydin, Ilhan, Terzi, Yahya, Polat, Hamza, Beken, Atife Tuba, Ozturk, Rafet Cagn   +4 more
core   +1 more source

Rising trends in the use of frozen dog sperm: a retrospective study in Belgium and the Netherlands

Frontiers in Veterinary Science
IntroductionSperm cryopreservation is a valuable technique for storing valuable canine genetics. However, little is known concerning the fate of frozen sperm stored in a sperm bank.
Guillaume Domain, Maarten Kappen, Amber Van Mil, Ilse De Beijer, Matthieu Van Puyvelde, Robby Van Leeuwenberg, Lotte Spanoghe, Florin Posastiuc, Ann Van Soom   +8 more
doaj   +1 more source

Role of oxidative stress and antioxidants in domestic and non-domestic cat spermatozoa [PDF]

, 2010
Living cells, including spermatozoa, stored under aerobic conditions require oxygen to support their normal metabolism. Excessive levels of metabolites (reactive oxygen species; ROS) can cause cell damage or lipid peroxidation.
Thuwanut, Paweena
core   +1 more source

Effects of cryopreservation on the ultrastructure and enzyme activities of rare minnow (Gobiocypris rarus) sperm

Aquaculture Reports
In the process of testing the Chinese rare minnow (Gobiocypris rarus) sperm motility before and after cryopreservation, it was found that sperm motility decreased significantly after cryopreservation.
Qing Zhang, Yongfeng He, Shuang Zhu, Le Yu, Xumao Zeng, Huan Ye, Jinming Wu   +6 more
doaj   +1 more source