Use of Infrared Thermography during Ejaculation Process and Its Link with Semen Quality and Freezability in Dogs
This study aimed to describe the thermal variation of external reproductive tracts during ejaculation in relation to sperm quality in dogs. Forty-six adult fertile dogs were monitored using a thermal camera before, during and after the semen collection, taking into account penile and scrotal tempera...
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MDPI AG
2021
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oai:doaj.org-article:979beeea0f5a473ea87a0542cc1975502021-11-25T16:13:47ZUse of Infrared Thermography during Ejaculation Process and Its Link with Semen Quality and Freezability in Dogs10.3390/ani111130232076-2615https://doaj.org/article/979beeea0f5a473ea87a0542cc1975502021-10-01T00:00:00Zhttps://www.mdpi.com/2076-2615/11/11/3023https://doaj.org/toc/2076-2615This study aimed to describe the thermal variation of external reproductive tracts during ejaculation in relation to sperm quality in dogs. Forty-six adult fertile dogs were monitored using a thermal camera before, during and after the semen collection, taking into account penile and scrotal temperatures as reproductive thermal patterns while eye and perianal temperatures were recorded as complementary thermal patterns of behavioral response. The parameters were classified depending on age (≤4 years and >4 years), body weight (BW) (≤75 kg and >75 kg), sperm concentration (CON) (≤300 million and >300 million), total testicular volume (TTV) (≤600 cm<sup>3</sup> and >600 cm<sup>3</sup>) and total ejaculation time (TET) (≤800 s and >800 s) of the animals from which semen was collected successfully. Heavier males (<i>p</i> < 0.05) that have more consistent testicles (<i>p</i> < 0.01) as well as quicker ejaculate responders (<i>p</i> < 0.001) and lower scrotal temperature had better semen (Δ motility) freezability. The lower eye temperature prior to the ejaculation (<i>p</i> < 0.01), lower scrotal temperature following ejaculation (<i>p</i> < 0.01), and conversely, higher penile temperature during the ejaculation (<i>p</i> < 0.001) had a higher sperm concentration. Furthermore, the sperm freezability was negatively correlated with total ejaculation time (r = −0.39, <i>p</i> < 0.05) and sperm abnormalities were lower in the ejaculate of dogs having a higher temperature of the scrotum, bulbus and penis. In conclusion, infrared monitoring throughout semen collection in dogs can provide information on behavioral reactions during human manipulation, as well as semen quality and testicular functionality.Koray TekinMuhammed Enes İnançDoğukan ÖzenBeste CilKemal Tuna OlğaçBurak YılmazUmut TaşdemirPürhan Barbaros TuncerSerhat BüyükleblebiciAli DaşkınOngun UysalCalogero StellettaMDPI AGarticleCASAejaculationinfrared thermographyMalakli dogsemen freezabilityVeterinary medicineSF600-1100ZoologyQL1-991ENAnimals, Vol 11, Iss 3023, p 3023 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
CASA ejaculation infrared thermography Malakli dog semen freezability Veterinary medicine SF600-1100 Zoology QL1-991 |
| spellingShingle |
CASA ejaculation infrared thermography Malakli dog semen freezability Veterinary medicine SF600-1100 Zoology QL1-991 Koray Tekin Muhammed Enes İnanç Doğukan Özen Beste Cil Kemal Tuna Olğaç Burak Yılmaz Umut Taşdemir Pürhan Barbaros Tuncer Serhat Büyükleblebici Ali Daşkın Ongun Uysal Calogero Stelletta Use of Infrared Thermography during Ejaculation Process and Its Link with Semen Quality and Freezability in Dogs |
| description |
This study aimed to describe the thermal variation of external reproductive tracts during ejaculation in relation to sperm quality in dogs. Forty-six adult fertile dogs were monitored using a thermal camera before, during and after the semen collection, taking into account penile and scrotal temperatures as reproductive thermal patterns while eye and perianal temperatures were recorded as complementary thermal patterns of behavioral response. The parameters were classified depending on age (≤4 years and >4 years), body weight (BW) (≤75 kg and >75 kg), sperm concentration (CON) (≤300 million and >300 million), total testicular volume (TTV) (≤600 cm<sup>3</sup> and >600 cm<sup>3</sup>) and total ejaculation time (TET) (≤800 s and >800 s) of the animals from which semen was collected successfully. Heavier males (<i>p</i> < 0.05) that have more consistent testicles (<i>p</i> < 0.01) as well as quicker ejaculate responders (<i>p</i> < 0.001) and lower scrotal temperature had better semen (Δ motility) freezability. The lower eye temperature prior to the ejaculation (<i>p</i> < 0.01), lower scrotal temperature following ejaculation (<i>p</i> < 0.01), and conversely, higher penile temperature during the ejaculation (<i>p</i> < 0.001) had a higher sperm concentration. Furthermore, the sperm freezability was negatively correlated with total ejaculation time (r = −0.39, <i>p</i> < 0.05) and sperm abnormalities were lower in the ejaculate of dogs having a higher temperature of the scrotum, bulbus and penis. In conclusion, infrared monitoring throughout semen collection in dogs can provide information on behavioral reactions during human manipulation, as well as semen quality and testicular functionality. |
| format |
article |
| author |
Koray Tekin Muhammed Enes İnanç Doğukan Özen Beste Cil Kemal Tuna Olğaç Burak Yılmaz Umut Taşdemir Pürhan Barbaros Tuncer Serhat Büyükleblebici Ali Daşkın Ongun Uysal Calogero Stelletta |
| author_facet |
Koray Tekin Muhammed Enes İnanç Doğukan Özen Beste Cil Kemal Tuna Olğaç Burak Yılmaz Umut Taşdemir Pürhan Barbaros Tuncer Serhat Büyükleblebici Ali Daşkın Ongun Uysal Calogero Stelletta |
| author_sort |
Koray Tekin |
| title |
Use of Infrared Thermography during Ejaculation Process and Its Link with Semen Quality and Freezability in Dogs |
| title_short |
Use of Infrared Thermography during Ejaculation Process and Its Link with Semen Quality and Freezability in Dogs |
| title_full |
Use of Infrared Thermography during Ejaculation Process and Its Link with Semen Quality and Freezability in Dogs |
| title_fullStr |
Use of Infrared Thermography during Ejaculation Process and Its Link with Semen Quality and Freezability in Dogs |
| title_full_unstemmed |
Use of Infrared Thermography during Ejaculation Process and Its Link with Semen Quality and Freezability in Dogs |
| title_sort |
use of infrared thermography during ejaculation process and its link with semen quality and freezability in dogs |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/979beeea0f5a473ea87a0542cc197550 |
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