Results 21 to 30 of about 175,648 (355)

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

Volga 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, I.V. Kaeshova, A.V. Gubina   +2 more
doaj   +1 more source

Novelties in ovine assisted reproductive technologies – a review

Macedonian 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, Plamen Trojacanec, Branko Atanasov, Martin Nikolovski, Vladimir Petkov, Florina Popovska-Percinic, Monika Dovenska, Juraj Grizelj, Silvijo Vince   +8 more
doaj   +1 more source

Correlation between total sperm count and sperm motility and pregnancy rate in couples undergoing intrauterine insemination

Scientific Reports, 2020
The frequency and significance of sterility is increasing due to different socio-demographic factors in the industrialized countries. At the same time, the patients’ demand for more natural and less invasive fertility treatments is increasing.
S. Findeklee, J. Radosa, M. Radosa, M. Hammadeh   +3 more
semanticscholar   +1 more source

Postcopulatory sexual selection [PDF]

, 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, A Singson, A Singson, AB Carvalho, AJ Bateman, AK Chippindale, AK Chippindale, AP Møller, AP Møller, B Hellriegel, B Holland, B Kempenaers, BC Sheldon, BC Sheldon, BT Preston, C Darwin, CW LaMunyon, D Carré, D Childress, D Haig, D Hosken, D Pfaff, D Vacquier, D Yamamoto, DA Roff, DB Lank, DC Presgraves, DC Shakes, DJ Begun, DJ Hosken, DM Rand, DW Coltman, E Ottaviano, E Ruiz-Pesini, EC Metz, ED Ketterson, EH Nicholls, EJA Cunningham, FD Karim, FM Hunter, FM Hunter, G Arnqvist, G Arnqvist, GA Parker, GA Parker, GA Parker, GA Parker, GA Parker, GA Parker, H Montell, HDM Moore, IM Matthews, J Nance, JB Wolf, JDD Bishop, JHJ Van der Werf, JK Waage, JM Cheverud, JM Martin-Villa, JS Takahashi, JV Briskie, JV Briskie, K Uchida, KA Hughes, L Andersson, L Delph, L Keller, LD Hurst, LW Simmons, LW Simmons, M Andersson, M Edvardsson, M Lynch, M Ridley, MK Dahle, N Wilson, P David, P Jivoff, P Stockely, P Stockley, P Ward, P Ward, PA Cook, PS Chen, R Lande, R Thornhill, RD Catalano, RL Smith, RL Smith, RL Trivers, RR Baker, RR Snook, RR Snook, RR Warner, S Gavrilets, S Palumbi, S Pitnick, S Pitnick, S Pitnick, S Stearns, SA Frank, SM Shuster, SM Shuster, SW L' Hernault, T Chapman, T Chapman, T Chapman, T Pizzari, T Pizzari, T Prout, T Prout, T Tregenza, T Tregenza, TFC Mackay, TH Clutton-Brock, TM Panhuis, TR Birkhead, TR Birkhead, TR Birkhead, TR Birkhead, TR Birkhead, TR Birkhead, TR Halliday, UW Huck, W Swanson, WG Eberhard, WJ Swanson, WJ Swanson, WJ Swanson, WJ Swanson, WR Rice, WR Rice, WR Rice   +132 more
core   +1 more source

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

World 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

Semen preparation techniques for intrauterine insemination.

Cochrane Database of Systematic Reviews, 2019
BACKGROUND Semen preparation techniques for assisted reproduction, including intrauterine insemination (IUI), were developed to select the motile morphologically normal spermatozoa.
C. Boomsma, B. Cohlen, Cindy Farquhar
semanticscholar   +1 more source

Estrous synchronization during the natural breeding season in Anatolian black does

Veterinární 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, Z. Nur, U. Gunay, H. Sagirkaya, M.K. Soylu, C. Sonmez   +5 more
doaj   +1 more source

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]

Kafkas 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, Melih AKAR, Merve Deniz TAĞRIKULU, Cumali KAYA, Mesut ÇEVİK   +4 more
doaj   +1 more source

Vaginal neutrophil infiltration is contingent on ovarian cycle phase and independent of pathogen infection

Frontiers in Immunology, 2022
The mucosa of the female reproductive tract must reconcile the presence of commensal microbiota and the transit of exogenous spermatozoa with the elimination of sexually transmitted pathogens.
M. C. Latorre, C. Gómez‐Oro, I. Olivera‐Valle, E. Blazquez‐Lopez, J. Gallego‐Valle, A. Ibañez‐Escribano, P. Casesnoves, C. González‐Cucharero, M. A. Muñoz‐Fernandez, L. Sanz, J. Vaquero, P. Martín‐Rabadań, F. Perez‐Milan, F. Perez‐Milan, M. Relloso   +14 more
doaj   +1 more source

Oral progesterone supplementation for beef cattle after insemination in TAI programs [PDF]

Pesquisa Agropecuária Brasileira, 2018
: The objective of this work was to evaluate the effects of supplementation with melengestrol acetate (MGA), after timed artificial insemination (TAI), on the conception rate of Nellore cows, according to cyclicity during the protocol, estrus expression ...
Marcus Vinícius Galvão Loiola, Rodrigo Freitas Bittencourt, Alexandra Soares Rodrigues, Priscila Assis Ferraz, Marcos Chalhoub Coelho Lima, Caio Victor Damasceno Carvalho, Antonio de Lisboa Ribeiro Filho   +6 more
doaj   +1 more source