Seasonal variation in testicular volume and sexual behavior of Chios and Serres rams

Avdi, M.; Banos, Georgios; Stefos, K.; Chemineau, Philippe

doi:10.1016/j.theriogenology.2003.10.004

Cited by 53 publications

(49 citation statements)

References 16 publications

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“…Since testicular parenchyma is mostly formed by spermatogenic tissues, seasonal spermatogenic activity may also be judged by the significant increase in testicular volume. The increase of testicular parenchyma pixel intensity prior to an increase in testicular volume may indicate that the structural changes begin prior to the morphological and functional recrudescence of the testes, as demonstrated in other mature male mammals [32].…”

Section: Seasonality Of Sexual Behavior and Testicular Changesmentioning

confidence: 84%

Variation in sexual behaviors in a group of captive male Yangtze finless porpoises (Neophocaena phocaenoides asiaeorientalis): motivated by physiological changes?

Hao

et al. 2010

Theriogenology

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Section: Seasonality Of Sexual Behavior and Testicular Changesmentioning

confidence: 84%

Variation in sexual behaviors in a group of captive male Yangtze finless porpoises (Neophocaena phocaenoides asiaeorientalis): motivated by physiological changes?

Hao

et al. 2010

Theriogenology

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“…The seasonal reproductive characteristics are expressed more intensely in goats such as Alpines from latitudes higher than 35° N or 35° S (Avdi et al, 2004;Sarlós et al, 2013). These animals from temperate climates have reproductive seasons during lower light intensity periods, i.e., during the end of summer, autumn, and winter (Abecia et al, 2012).…”

Section: Resultsmentioning

confidence: 99%

Seasonal variation in the reproductive activity of male goats raised under tropical climate conditions

et al. 2017

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-This study analyzed seasonal variations in the testes, the concentration of sex hormones, the parameters of fresh and thawed semen, and the sexual behavior of male Alpine goats from a temperate region in a tropical climate and possible interference with fertility. The maximum and minimum temperature and luminosity were recorded daily, while seminal, hormonal, and behavioral assessments were carried out every fortnight. The maximum and minimum temperature (°C) and luminosity (h) were recorded daily always at 17.00 h. The scrotal circumference (cm), testicular volume (mL), volume (mL), appearance (creamy, milky, aqueous) and coloration (white, white-yellowish, and yellowish) seminal, turbulence or mass movement (0 to 5), progressive spermatic motility (0 to 100%), spermatic force (0 to 5), concentration (spermatozoids/mL), spermatic pathologies, hypoosmotic test (%), serum levels of FSH (mUI/mL), LH (mUI/mL), testosterone (ng/mL), and sexual behaviors were carried out every fortnight. There was a difference between the scrotal circumference evaluated monthly, testicular volume, volume and concentration of fresh semen, sperm vigor of the thawed semen, serum levels of testosterone, FSH and LH, and some sexual behaviors. Thus, the changes that occur in the quantity and quality of sperm, in the hormonal profile, and in sexual behaviors should not be regarded as an impediment to the use of male Alpine goats in tropical climates throughout the year. These variations do not lead to changes in the semen that may compromise the fertility of these animals.

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“…According to the literature the breeds from temperate climates or high latitudes (> 35º N) are seasonal breeders and the annual variation in daily photoperiod is responsible for timing the annual reproductive cycle (Avdi et al 2004), even when living in mid latitudes (Fuentes et al 1997).…”

Section: Introductionmentioning

confidence: 99%

Reproductive behaviour of Saint Croix and Suffolk rams at medium latitudes (19º N) during long days while being exposed to Suffolk ewes in seasonal anestrus

et al. 2013

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Seasonal variation in testicular volume and sexual behavior of Chios and Serres rams

Cited by 53 publications

References 16 publications

Variation in sexual behaviors in a group of captive male Yangtze finless porpoises (Neophocaena phocaenoides asiaeorientalis): motivated by physiological changes?

Variation in sexual behaviors in a group of captive male Yangtze finless porpoises (Neophocaena phocaenoides asiaeorientalis): motivated by physiological changes?

Seasonal variation in the reproductive activity of male goats raised under tropical climate conditions

Reproductive behaviour of Saint Croix and Suffolk rams at medium latitudes (19º N) during long days while being exposed to Suffolk ewes in seasonal anestrus

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