2023
DOI: 10.3390/vetsci10070429
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Age-Related Differences in Testosterone Concentration and Its Relation to Testicular Biometrics, Hemodynamics, and Fertility in Alpacas (Vicugna pacos)

Manuel G. Pérez-Durand,
Angela Massa-Guzmán,
Natalio Luque-Mamani
et al.

Abstract: The goal of this study was to investigate the age-related differences in testosterone concentration and its relation to testicular biometrics, testicular blood flow, and fertility in alpacas (Vicugna pacos). Fifteen alpaca males with different ages (young (YM; ~12–14 mo.), n = 5; intermediate (IM; ~24 mo.), n = 5; and old (OM; ≥36 mo.), n = 5) were enrolled in the study. Blood samples were taken from each alpaca male and the circulating plasmatic testosterone concentration (TC; ng/mL) was determined using ELIS… Show more

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“…Sperm preservation in South American camelids has several advantages related to the transference of genetic material at low costs, and this fact could improve the development of artificial insemination in different camelid species [ 8 ]. However, the development of this biotechnology in camelids includes the study of various procedures, such as semen collection, handling, and cryopreservation [ 9 , 10 , 11 , 12 ].…”
Section: Introductionmentioning
confidence: 99%
“…Sperm preservation in South American camelids has several advantages related to the transference of genetic material at low costs, and this fact could improve the development of artificial insemination in different camelid species [ 8 ]. However, the development of this biotechnology in camelids includes the study of various procedures, such as semen collection, handling, and cryopreservation [ 9 , 10 , 11 , 12 ].…”
Section: Introductionmentioning
confidence: 99%