1999
DOI: 10.1590/s1413-95961999000500008
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Abstract: 0.05, Friedman’s test). The results of this study suggest that the captive jaguars in Brazil are not seasonal, and that semen collections can be performed throughout the year without a perturbation in overall ejaculate quality. However, underlying causes of high percentages of structurally abnormal sperm, found in captive jaguars, need to be investigated mainly to improve semen quality.]]>

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Cited by 12 publications
(7 citation statements)
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“…Further research, preferably with a larger number of animals and conducted over at least a 2-year interval, is needed to provide more definitive information. Semen quality was similar to previous studies [11,12]. There were no significant differences between the first and second collections, consistent with previous reports that semen quality in jaguars is fairly consistent throughout the year [11,12].…”
Section: Discussionsupporting
confidence: 90%
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“…Further research, preferably with a larger number of animals and conducted over at least a 2-year interval, is needed to provide more definitive information. Semen quality was similar to previous studies [11,12]. There were no significant differences between the first and second collections, consistent with previous reports that semen quality in jaguars is fairly consistent throughout the year [11,12].…”
Section: Discussionsupporting
confidence: 90%
“…Similarly, in a previous report, serum testosterone concentration in jaguars did not vary throughout the year [12]. However, there was a significant difference in fecal androgen concentrations between the wet and dry seasons.…”
Section: Discussionsupporting
confidence: 82%
See 1 more Smart Citation
“…These results are similar to those described for other carnivores such as dogs, in which the measurement of scrotal perimeter has not been established as an appropriate indicator for sperm concentration (Cortez et al 2002). Moreover, significant correlations between the testicular biometric parameters and the semen characteristics have not been observed in cats (Silva 2008) and jaguars (Morato et al 1999).…”
Section: Discussionmentioning
confidence: 99%
“…However, the reduced reproductive success in zoological institutions has been a barrier that must be overcome. Morato et al (1999) demonstrated that male jaguars in zoos expressed a high level of morphologically abnormal sperm. In this way, considering that poor animal-welfare conditions may also threaten reproduction in zoos, there is a need to seek approaches that improve the conditions of these animals, such as by providing and monitoring the effects of different environmental enrichments.…”
Section: Introductionmentioning
confidence: 99%