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Abstract

Semen analysis is a key factor when determining the fertility ability in males. South American camelids, and in particular the alpaca, have been studied very little when compared with other farm animals. The aim of this work was to perform the kinematic characterization of alpaca spermatozoa...

Author(s)
Meza, A.; Caldeira, C.; Valverde, A.; Ordóñez, C.; Ampuero, E.; Cucho, H.; Soler, C.
Publisher
Wiley, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2018, 53, 6, pp 1415-1423
AbstractFull Text

The aim of this study was to evaluate the effect of fresh (YHF) and powder (YHP) egg yolk on the motility, viability, functional integrity of the plasma membrane (HOST) and pregnancy rate after insemination using fresh and chilled semen. Thirty ejaculates of five alpacas were collected by the...

Author(s)
García V., W.; Alarcón B., V.; Bravo M., P. W.
Publisher
Universidad Nacional Mayor de San Marcos, Lima, Peru
Citation
Revista de Investigaciones Veterinarias del Perú (RIVEP), 2017, 28, 2, pp 337-344
AbstractFull Text

Semen from alpacas was collected by two methods: by aspiration from the female's vagina following mating and with an artificial vagina. Semen was collected, evaluated and extended with Tris buffer, and then used in artificial insemination. Altogether 160 female alpacas with proven reproductive...

Author(s)
Alarcón B., V.; García V., W.; Bravo, P. W.
Publisher
Universidad Nacional Mayor de San Marcos, Lima, Peru
Citation
Revista de Investigaciones Veterinarias del Perú (RIVEP), 2012, 23, 1, pp 58-64
Abstract

In camelids, the development of assisted reproductive technologies is impaired by the viscous nature of the semen. The protease papain has shown promise in reducing viscosity, although its effect on sperm integrity is unknown. The present study determined the optimal papain concentration and...

Author(s)
Kershaw, C. M.; Evans, G.; Rodney, R.; Maxwell, W. M. C.
Publisher
CSIRO, Collingwood, Australia
Citation
Reproduction, Fertility and Development, 2017, 29, 6, pp 1107-1114
AbstractFull Text

Author(s)
Artica, M.; Paytan, I.; Chahuayo, C.; Mendoza, J.; Landeo, L.; Ruiz, J. A.
Publisher
Asociación Argentina de Producción Animal, Balcarce, Argentina
Citation
Revista Argentina de Producción Animal, 2017, 37, Especial 1, pp 56
AbstractFull Text

Alpacas are domesticated animals of the camelid family, originating from the South American Andes. The physiology of alpaca breeding is significantly different to that of common domestic animals. The breeding season in South America lasts during the rainy season, from December to March, while in...

Author(s)
Ðuričić, D.; Valpotić, H.; Samardžija, M.
Publisher
Hrvatski veterinarski institut, Centar za peradarstvo, Zagreb, Croatia
Citation
Veterinarska Stanica, 2018, 49, 1, pp 37-42
Abstract

Degelification of highly viscous alpaca semen was attempted using 2 enzymes: trypsin and collagenase. Dilution effects on artificial insemination were determined in alpacas. Semen from 4 male alpacas was collected, degelified, diluted and inseminated into 80 female alpacas. Degelification was...

Author(s)
Bravo, P. W.; Pacheco, C.; Quispe, G.; Vilcapaza, L.; Ordoñez, C.
Citation
Archives of Andrology, 1999, 43, 3, pp 239-246
Abstract

Epididymal spermatozoa were harvested from male alpacas and frozen after extension and cooling to 4°C in citrate-, Tris- and lactose-based diluents (Experiment 1) and as pellets in 0.25- and 0.5-mL straws on either dry ice or over liquid nitrogen vapour (Experiment 2) to determine the effects...

Author(s)
Morton, K. M.; Bathgate, R.; Evans, G.; Maxwell, W. M. C.
Publisher
CSIRO Publishing, Collingwood, Australia
Citation
Reproduction, Fertility and Development, 2007, 19, 7, pp 792-796

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