تحلیل آثار رفاهی تغییرقیمت جهانی ذرت

Stereotypic pacing in zoo-housed carnivores has been intensively researched for decades, revealing that it is a subtly complex behavior with a highly variable etiology. While pacing can be an indicator of poor welfare, it can also be anticipatory in nature, or even have a completely different motiva... View More