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Seasonal variations of sperm freezability associated with testicular germinal epithelium changes in domestic (Ovis aries) and wild (Ovis musimon) rams
The aim of this study was to examine ovine sperm cryoresistance during the rutting season (RS) and its association with sperm head area and seminiferous epithelium proliferation. Small ruminants show fluctuating testosterone ...
Glucocorticoids in relation to behavior, morphology, and physiology as proxy indicators for the assessment of animal welfare: A systematic mapping review
Translating theoretical concepts of animal welfare into quantitative assessment protocols is an ongoing challenge. Glucocorticoids (GCs) are frequently used as physiological measure in welfare assessment. The interpretation ...
Exploring animal genetic resources of the domestic chicken and their behavior in the open field
Animal welfare is of general interest, and in the farming arena, efforts have increased to create optimal conditions for poultry production. Detailed and standardized studies on specific behavioral issues, such as fear, ...
Differences among domestic chicken breeds in tonic immobility responses as a measure of fearfulness
Background: One priority for animal welfare is for animals to experience less fear, especially during human contact. For domestic animals, breeds that are less fearful may provide genetic resources to develop strains with ...