Results 1 to 10 of about 28,988 (239)
Hypoosmotic Test Combined with Coomassie Blue Staining in Llama Sperm [PDF]
La integridad de las membranas plasmática y acrosomal es de gran importancia para determinar la capacidad fertilizante de los espermatozoides. Los objetivos de este trabajo fueron: 1) evaluar la funcionalidad de la membrana plasmática a través del tiempo
Bertuzzi, Mariana Lucía +3 more
core +2 more sources
Dois diluentes comerciais na criopreservação de espermatozoides do epidídimo de touros
A recuperação e a criopreservação de espermatozoides do epidídimo constituem alternativas viáveis para a preservação de material genético de animais valiosos. O objetivo deste estudo foi comparar o desempenho de dois diluentes comerciais Botu-Bov(r) (BB)
Luiz Ernandes Kozicki +1 more
exaly +3 more sources
Compararam-se as características cinéticas e morfológicas de espermatozoides caprinos congelados nos meios à base de ACP-101® e TRIS. Os diluentes utilizados foram: ACP-101® (+ 2,5% gema ovo + 7% glicerol) e TRIS (+ 20% gema ovo + 6,8% glicerol ...
Oscar Brasil
exaly +3 more sources
Abstract The Corynorhinus mexicanus bat is characterized by a specific form of reproductive asynchrony between males and females. After mating, some sperm remain in the male's epididymis, the organ where the sperm had matured. It has not yet been determined if apoptotic markers participate in the process of the maturation and/or elimination of these ...
Gihovani Ademir Samano‐Barbosa +7 more
wiley +1 more source
In order to characterize the quality of semen from men in an assisted reproduction center in the city of Guayaquil (Ecuador), 204 semen samples were collected from patients with fertility disorders aged 20 to 57 years, who were admitted between May 2017 ...
Gabriel Morey-León +5 more
doaj +1 more source
The Effect of X-Rays on Cytological Traits of Tuta absoluta (Lepidoptera: Gelechiidae) [PDF]
The tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is one of the most important pests of tomato. With the purpose of developing environmentally friendly control tactics such as the inherited sterility (IS) technique against this ...
Cagnotti, Cynthia Lorena +5 more
core +1 more source
Es importante diseñar técnicas eficientes, prácticas y fáciles de realizar para valorar la integridad acrosomal (VIA) de los esper-matozoides (EPZ). El objetivo fue evaluar la modificación de la técnica de tinción Giemsa para valoración de VIA en EPZ de
Adrian Emmanuel Iglesias-Reyes +6 more
doaj
Objetivou-se avaliar os efeitos da adição de fontes de óleo e dos níveis de suplementação de vitamina E na ração sobre a criopreservação de sêmen suíno. Foram utilizados 24 suínos machos reprodutores Dalboar 85, com idades de 12 a 18 meses, distribuídos ...
Elenice Andrade Moraes +5 more
doaj +1 more source
Effect of seminal plasma on the sperm motility patterns and their relationship to the cryopreservation of llama semen [PDF]
La pregunta que nos hacemos todos los que trabajamos en camélidos sudamericanos (CSA) es “¿Porqué si se insemina con la misma cantidad de espermatozoides motiles/vivos no se preña con semen criopreservado y si con el semen fresco? ”.
Carretero, Maria Ignacia +3 more
core +1 more source
The objective of this study was to verify the effect of three protocols of cryopreservation on the sperm viability post-thawing of swine from the Piau breed (Sus scrofa), by means of evaluation assays in vitro and in vivo.
Maurício Hoshino da Costa Barros +6 more
doaj +1 more source

