Studies on camel semen. I. Electroejaculation and some aspects of semen characteristics

Tingari, M. D.; El-Manna, M.M.; Rahim, Abdul; Ahmed, Amir; Hamad, M.H.

doi:10.1016/0378-4320(86)90042-4

Cited by 42 publications

(20 citation statements)

References 1 publication

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“…The sperm morphometric measures in this study were similar to those of previous reports (Abdel-Raouf and E1-Naggar, 1976;Tingari et al, 1986). But it was different to one study (Aggarwal et al, 2009) possibly due to the effect of freezing semen on sperm morphology.…”

Section: Discussionsupporting

confidence: 74%

“…Different methods of semen collection have been reported for http://dx.doi.org/10.1016/j.anireprosci.2014.09.016 0378-4320/© 2014 Elsevier B.V. All rights reserved. camelids including intravaginal condoms (Johnson, 1989), vaginal sponge (Bravo et al, 2013), fistulation of the urethra (Bravo et al, 2000), electroejaculation (Tingari et al, 1986), post-copulatory vaginal aspiration (Bravo et al, 2000), and artificial vagina (Mosaferi et al, 2005). These methods have advantages and disadvantages affecting semen quality and the length of time necessary for collecting semen.…”

Section: Introductionmentioning

confidence: 98%

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Semen collection using phantom in dromedary camel

Ziapour

Niasari-Naslaji

Mirtavousi

et al. 2014

Animal Reproduction Science

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Section: Discussionsupporting

confidence: 74%

Section: Introductionmentioning

confidence: 98%

Semen collection using phantom in dromedary camel

Ziapour

Niasari-Naslaji

Mirtavousi

et al. 2014

Animal Reproduction Science

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“…Similar observations have been reported for cattle [20,22] and sheep [17]. High variability in ejaculate volume and sperm concentrations has also been reported in samples collected from alpacas by electroejaculation [9] and by AV [23], and in samples from camels [24,25].…”

Section: Discussionsupporting

confidence: 79%

Effect of Repeated Collection on Semen Characteristics of Alpacas

Bravo

Flores

Ordóñez

1997

Biology of Reproduction

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Semen characteristics of alpacas were studied after repeated collections. Twelve adult males were divided into three groups of four each for semen collection once, twice, or three times every other day. The duration of copulation; volume of ejaculate; pH; motility; sperm concentration (number of sperm/milliliter semen); total number of sperm per ejaculate; and percentages of live, normal, and abnormal spermatozoa were analyzed by regression analysis. Semen color and consistency were analyzed by the chi-square test. Between the first, second, and third ejaculations, there were differences (p < 0.05) in sperm concentration; percentages of normal spermatozoa and abnormal spermatozoa; sperm with abnormal heads and abnormal tails; and consistency (viscous, viscous, and semi-viscous). There were no differences (p > 0.05) in ejaculated volume, percentage of live spermatozoa, pH, percentage of cytoplasmic droplets, and duration of copulation. Some males from which semen was collected on the three-mating schedule ejaculated only seminal plasma during the second and third copulation starting on Day 10 of the study. There were differences between males (p < 0.05) for most of the characteristics studied. In sum, frequency of mating affected some semen characteristics that may be important determinants of the fertility of male alpacas.

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“…One ejaculate was collected from each fertile and infertile camel during the rutting season using electroejaculation method as described earlier [17]. The ejaculate was assessed for routine semen quality parameters such as ejaculate volume (mL), viscosity [18] and pH, percent progressively motile sperm, sperm concentration (Â10 6 /mL), and percent sperm abnormalities by the same trained individual using Sperm Vision 3.5 (Minitube of America, Inc.).…”

Section: Camels and Semen Collectionmentioning

confidence: 99%