Results 11 to 20 of about 133,000 (278)

Donor insemination [PDF]

open access: yesJournal of Medical Ethics, 1975
This paper reviews the technical and social problems concerned in donor insemination in the light of recent developments. The most important of these is the declining number of babies available for adoption by subfertile couples because modern methods and attitudes have reduced the number of unplanned births.
M G, Kerr, C, Rogers
openaire   +2 more sources

The comparison between Intrauterine Insemination and Fallopian Tube Sperm Perfusion Using FAST®System in Patients with Unexplained Infertility [PDF]

open access: yesInternational Journal of Fertility and Sterility, 2015
Background Controlled ovarian stimulation (COH) with intrauterine insemination (IUI) is commonly offered to infertile couples with patent fallopian tubes because it is simple, non-invasive and cost-effective technique.
Sepideh Peivandi   +2 more
doaj   +1 more source

REPRODUCTIVE PROPERTIES OF HEIFERS AND DAIRY PRODUCTIVITY OF COWS OF HOLSTEIN BREED OF DIFFERENT ORIGIN [PDF]

open access: yesVolga Region Farmland, 2019
The modernization of the dairy cattle breeding industry in the Penza Region, as in the other regions of Russia, is carried out through the construction of new modern dairy complexes, the active introduction of innovative milk production technologies, and
V.V. Lyashenko   +2 more
doaj   +1 more source

Novelties in ovine assisted reproductive technologies – a review

open access: yesMacedonian Veterinary Review, 2022
Artificial insemination (AI) as a part of assisted reproductive technologies represents the oldest and most widespread method used to accelerate genetic progress in all domestic animals.
Toni Dovenski   +8 more
doaj   +1 more source

The effects of different PMSG doses on estrus behavior and pregnancy rate in Angora goats

open access: yesAnimal, 2019
Artificial insemination protocols depend on efficient behavioral estrus detection and insemination time in Angora goat. Therefore, we aim to determine the accuracy of an estrus scoring system in Angora goats with different PMSG doses during the breeding ...
M.B. Tirpan   +7 more
doaj   +1 more source

Effect of seasonality on quality and fertility of cryopreserved New Zealand white rabbit semen under Egyptian conditions

open access: yesWorld Rabbit Science, 2020
The present study was designed to investigate the effect of seasonality on the quality and fertility of cryopreserved New Zealand white (NZW) rabbit semen under Egyptian conditions.
A.M. Fadl
doaj   +1 more source

Estrous synchronization during the natural breeding season in Anatolian black does

open access: yesVeterinární Medicína, 2005
The efficiency of medroxyprogesterone acetate (MAP) and fluorogestone acetate (FGA) sponges with or without PGF2α (cloprostenol) for synchronizing estrous in non-lactating does was investigated during the natural breeding season. Does were treated for 11
I. Dogan   +5 more
doaj   +1 more source

Postcopulatory sexual selection [PDF]

open access: yes, 2002
The female reproductive tract is where competition between the sperm of different males takes place, aided and abetted by the female herself. Intense postcopulatory sexual selection fosters inter-sexual conflict and drives rapid evolutionary change to ...
A Civetta   +132 more
core   +1 more source

Transgressive technologies? Strategies of discursive containment in the representation and regulation of assisted reproductive technologies in Aotearoa/New Zealand [PDF]

open access: yes, 2006
Drawing on a case study of the contemporary representation and regulation of assisted reproductive technologies (ARTs) in Aotearoa/New Zealand, this article traces the cultural anxieties evident in public, political, and media discussion and debate ...
Michelle, Carolyn
core   +2 more sources

The effects of fast and slow thawing on spermatological parameters and detect of chromatin condensation by toluidine blue staining in frozen-th awed bull sperm [PDF]

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2022
Th e purpose of this study was to observe the eff ect of diff erent thawing methods on semen parameters such as motility and morphology and sperm chromatin integrity as assessed by toluidine blue (TB) staining.
Burcu ESİN   +4 more
doaj   +1 more source

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