Results 31 to 40 of about 14,069,776 (341)

Mitochondria Content and Activity Are Crucial Parameters for Bull Sperm Quality Evaluation

open access: yesAntioxidants, 2021
Standard sperm evaluation parameters do not enable predicting their ability to survive cryopreservation. Mitochondria are highly prone to suffer injuries during freezing, and any abnormalities in their morphology or function are reflected by a decline of
Z. Madeja   +5 more
semanticscholar   +1 more source

Cryptic male choice: sperm allocation strategies when female quality varies [PDF]

open access: yes, 2002
Reinhold K, Kurtz J, Engqvist L. Cryptic male choice: sperm allocation strategies when female quality varies. Journal of Evolutionary Biology. 2002;15(2):201-209.We examined evolutionary stable sperm allocation and included stochastic variation in male ...
Reinhold, Klaus   +2 more
core   +1 more source

Effects of sperm processing techniques on IVF pregnancy rates: a mini-review

open access: yesTherapeutic Advances in Reproductive Health, 2023
Many factors associated with assisted reproductive technologies significantly influence the success of pregnancy after in vitro fertilization (IVF) either directly or indirectly.
Cong Zhao, Lanming Sun, Pin Zhao
doaj   +1 more source

#289 : Mitochondrial Activator BGP-15 Protects Sperm from DNA Damage During Sperm Recovery for Assisted Reproductive Technology

open access: yesFertility & Reproduction, 2023
Background and Aims: The recovery of sperm by assisted reproductive technology (ART) results in significant DNA damage. Elevated levels of DNA damage in sperm have been linked to poor-quality embryos and increased pregnancy loss after ART.
Macarena Gonzalez   +4 more
doaj   +1 more source

Implications of sperm banking for health-related quality of life up to 1 year after cancer diagnosis [PDF]

open access: yes, 2013
Background: Sperm banking is recommended for all men diagnosed with cancer where treatment is associated with risk of longterm gonadatoxicity, to offer the opportunity of fatherhood and improved quality of life.
Pacey, Allan   +21 more
core   +1 more source

Sperm Quality and Fertility of Livestock Animals

open access: yesAnimals, 2023
Recent research has focused on the understanding of the causes of subfertility observed in livestock species, evidencing that different factors could underlie this condition [...]
Jordi Ribas-Maynou   +2 more
openaire   +4 more sources

Post-Meiotic Intra-Testicular Sperm Senescence in a Wild Vertebrate [PDF]

open access: yes, 2012
There is growing interest in sperm senescence, both in its underlying mechanisms and evolutionary consequences, because it can impact the evolution of numerous life history traits. Previous studies have documented various types of sperm senescence, but
Richard H. Wagner   +16 more
core   +2 more sources

Sperm Cryodamage in Ruminants: Understanding the Molecular Changes Induced by the Cryopreservation Process to Optimize Sperm Quality

open access: yesInternational Journal of Molecular Sciences, 2020
Sperm cryopreservation represents a powerful tool for livestock breeding. Several efforts have been made to improve the efficiency of sperm cryopreservation in different ruminant species.
P. Peris-Frau   +10 more
semanticscholar   +1 more source

Psychological and physiological adaptations to sperm competition in humans [PDF]

open access: yes, 2005
Postcopulatory competition between males, in the form of sperm competition, is a widespread phenomenon in many animal species. The extent to which sperm competition has been an important selective pressure during human evolution remains controversial ...
Pound, N, Goetz, AT, Shackelford, TK
core   +2 more sources

THE EFFECT OF CONSUMING AVOCADO (Persea americana) ON MICE (Mus musculus) SPERM QUALITY

open access: yesBiovalentia: Biological Research Journal, 2021
The nutrients such as protein and vitamin are proven to improve the sperm quality. One nutrient rich fruit is avocado round green variety, which contains vitamins A, C and E higher than other varieties.
Yasinta Tiara Amelia   +2 more
doaj   +1 more source

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