Results 91 to 100 of about 316,539 (293)

Genomic Structural Variations Provide Insights Into Litter Size and Teat Number Traits in Hu Sheep

Animal Research and One Health, EarlyView.
Here, we conducted whole genome sequencing on 300 Hu sheep with an average depth of 16.51X. Two candidate genes associated with litter size and teat number traits were identified, namely MAST2 and AFDN. ABSTRACT Litter size and the teat number are important economic indicators in sheep production.
Xin Xiang, Wei Dai, Jiqiang Liu, Zhengguang Wang   +3 more
wiley   +1 more source

FSH priming and hormonal modulation of oocyte competence in in vitro maturation for infertility treatment: a systematic review and meta-analysis

Frontiers in Endocrinology
BackgroundDoes follicle-stimulating hormone priming improve reproductive outcomes in women undergoing in vitro maturation treatment for infertility?Follicle-stimulating hormone (FSH) is a key endocrine regulator of oocyte folliculogenesis and is crucial ...
Krystal Baysan Lin, Yungchen Chien, Jung-Hsiu Hou, Jung-Hsiu Hou, Yen-Chen Wu, Yen-Chen Wu, Ping Lun Lin, Li-Ting Chien, Chi-Huang Chen, Chi-Huang Chen   +9 more
doaj   +1 more source

in Vitro Maturation of Human Oocytes

Taiwanese Journal of Obstetrics and Gynecology, 2006
Immature oocyte retrieval followed by in vitro maturation (IVM) opens a new horizon for modern assisted reproductive technologies (ART). Recent studies in IVM make it a feasible alternative to in vitro fertilization. Antral follicle count is correlated with the pregnancy rate, so women with polycystic ovarian syndrome or polycystic ovaries are the best
Yu-Hung Lin, Jiann-Loung Hwang
openaire   +3 more sources

oocyte meiotic maturation

, 2005
Fertilization in the female reproductive tract depends on intercellular signaling mechanisms that coordinate sperm presence with oocyte meiotic progression.
Chad Corrigan, Michael A. Miller, Miller, M A, Subramanian, R, Corrigan, C, Rajani Subramanian   +5 more
core   +1 more source

Histological Characterization and Comparative Transcriptomic Analysis of Gonads During Early Sex Differentiation in the Northern Snakehead (Channa argus)

Animal Research and One Health, EarlyView.
This study delineates the early sex differentiation timeline in the northern snakehead (Channa argus). These findings provide a foundation for future sex‐control breeding in this economically important species. ABSTRACT The northern snakehead (Channa argus) is an economically important aquaculture species in China.
Chaonan Sun, Donglei Sun, Haishen Wen, Xin Qi, Chao Li, Xiaoyan Zhang, Yun Li   +6 more
wiley   +1 more source

Temporal progression in migratory status and sexual maturation in European silver eels during downstream migration [PDF]

, 2011
The onset of downstream migration of European eels is accompanied by a cessation of feeding and the start of sexual maturation which stresses the link between metabolism and sexual maturation, also suggesting an important role for exercise.
Guerrero, M.A., Gerard de Laak, Thillart, G.E.E.J.M., Ma. Angeles Guerrero, Guido E. E. J. M. van den Thillart, Arjan P. Palstra, Jan P. G. Klein Breteler, Palstra, A.P., Klein Breteler, J.G.P.   +8 more
core   +1 more source

Follicle Stimulating Hormone in Cattle Breeding: Fundamentals, Innovations, and Scope

Animal Research and One Health, EarlyView.
FSH is crucial in cattle reproduction, with exogenous administration enhancing breeding and embryo production. Recombinant FSH offers advantages over pituitary‐extracted variants, including fewer injections, reduced stress, and safer production. These innovations improve breeding efficiency, optimize reproductive outcomes, and contribute to sustainable
Muhammad Shahzad, Hubdar Ali Kolachi, Jesse Oluwaseun Ayantoye, Xiaomeng Zhang, Muhammad Usman Mehmood, Rajilan Hilali Shanga, Pengcheng Wan, Xueming Zhao   +7 more
wiley   +1 more source

The effects of ovarian enzyme modulators on folliculogenesis and cyst development in the porcine ovary. [PDF]

, 2007
The first aim of the research conducted as part of this thesis was to investigate the expression and activities of 110HSD enzymes in porcine mural granulosa cells and COCs from small, medium and large antral follicles, as well as from ovarian cysts. Both
Sunak, N.
core  

Evidence for adaptive explanations of semelparity in animals

Biological Reviews, EarlyView.
ABSTRACT Semelparity, the reproductive strategy of reproducing once, is widespread but uncommon in animals. Classes of models to explain the evolution of semelparity are based either on age structure and mortality schedules – demographic models in which high post‐reproductive mortality risk favours high reproductive effort and semelparity results from ...
Diana O. Fisher, Roberto Salguero‐Gómez   +1 more
wiley   +1 more source

The Influence of Drosophila Spire and Myosin V During Mid‐Oogenesis Is Independent of Their Direct Interaction

Cytoskeleton, EarlyView.
ABSTRACT Cooperativity between cytoskeletal proteins is crucial for spatiotemporal coordination in biological processes, like oogenesis. In mammalian and Drosophila oogenesis, proper assembly and function of actin networks require coordination between actin assembly factors Spire and formins, as well as actin‐associated proteins like myosins and Rab ...
Joseph Y. Ong, Hannah M. Bailey, Emma Carley, Michelle Panzica, Merin Rixen, Neil Billington, Rong Liu, Margot E. Quinlan   +7 more
wiley   +1 more source