Results 141 to 150 of about 1,088 (254)

Current status and advances in bovine semen production technologies for artificial insemination in Japan. [PDF]

J Reprod Dev
Naniwa Y, Kinukawa M, Uchiyama K.
europepmc   +1 more source

The 9+ month marathon: How pregnancy may have shaped human endurance capacities

The Anatomical Record, EarlyView.
Abstract Anthropology has long considered the evolution of our uniquely human endurance capacities to be the result of selection upon anatomical and physiological features imposed by the demands of thermoregulation and resource acquisition, particularly during the demands of persistence hunting. Research has focused on the anatomical changes present in
Cara Ocobock
wiley   +1 more source

Foundational reproduction programs for U.S. dairy herds. [PDF]

J Reprod Dev
Fricke PM, Lauber MR, Wiltbank MC, Hincapie N.   +3 more
europepmc   +1 more source

The mechanism of labor in nonhuman primates: A look inside

The Anatomical Record, EarlyView.
Abstract While in humans, the flexed position of the fetus and its rotating course down the birth canal are well documented, in other primates the mechanism of labor is unknown. Despite the lack of comparative data, it is commonly assumed that the human obstetric mechanism is unique, and anthropologists have disputed when and why the transition to the ...
Melissa K. Stoller
wiley   +1 more source

'Beef-on-dairy': harnessing assisted reproductive technologies to improve performance and sustainability in seasonal-calving systems. [PDF]

J Reprod Dev
Butler ST, Crowe AD, Murphy EM, Evans RD, Lonergan P.   +4 more
europepmc   +1 more source

Developmental morphology of claspers and clasper‐glands during maturation in Potamotrygon wallacei (Chondrichthyes: Potamotrygoninae)

The Anatomical Record, EarlyView.
Abstract The claspers are the copulatory organs in male elasmobranchs, responsible for directing the semen into the female cloaca (C). However, the microscopic morphology of the claspers remains poorly understood. This study describes the morphology of the claspers and clasper glands (CGs) of cururu stingray (Potamotrygon wallacei) at different ...
Matheus Samuel Cunha Braga, Grazyelle Sebrenski da Silva, Maria Inês Braga de Oliveira, Jaydione Luiz Marcon, Ruben Dario Morales Gamba   +4 more
wiley   +1 more source

Melatonin Supplementation in Sex-Sorted Nili-Ravi Buffalo Semen: Effect on Sperm Quality, Subsequent in Vitro Embryo Development, and Pregnancy Outcomes. [PDF]

Antioxidants (Basel)
Li X, Xu D, Xu H, Cao P.
europepmc   +1 more source

Male reproductive system in stenopodidean shrimps: Unveiling basal reproductive traits in shrimp‐like Pleocyemata (Stenopodidae and Spongicolidae)

The Anatomical Record, EarlyView.
Abstract Stenopodidea represents one of the basal lineages within Pleocyemata, yet the male reproductive system (MRS) of this group remains poorly understood, with limited information available regarding its morphology and function. This study provides the first detailed description of the MRS in four stenopodidean shrimp species from two families ...
Caio Santos Nogueira, Lucas Rezende Penido Paschoal, Fernando José Zara   +2 more
wiley   +1 more source

Immunomagnetic Sex-Sorting of Landrace Boar Semen Using a Porcine Y-Specific scFv Antibody: Efficiency and Post-Sorting Sperm Quality. [PDF]

Animals (Basel)
Satsook A, Thongkham M, Hongsibsong S, Sathanawongs A, Paitoon P, Arjin C, Rachtanapun P, Sringarm K.   +7 more
europepmc   +1 more source

The pelvis doesn't walk by itself: Wider pelves reduce the cost of walking over unstable surfaces

The Anatomical Record, EarlyView.
Abstract Walking over variable and/or unstable terrain is a key aspect of daily life and was crucial to the evolution of bipedalism. The ability to find gait solutions that maintained stability over uneven terrain for the least increase in metabolic cost was likely a hallmark of locomotor effectiveness in early humans, in particular acting as an ...
Cara Wall‐Scheffler, Taylor Morscheck, Katelyn McCollor   +2 more
wiley   +1 more source