FACTORS DETERMINING SEMEN SAMPLE COLLECTION AND SEMEN QUALITY PARAMETERS IN AFRICAN PENGUINS SPHENISCUS DEMERSUS

Factors determining semen sample collection and semen quality parameters in African penguins Spheniscus demersus

Abstract Our research focuses on semen collection from 42 African penguin males, grouped by age, habituation levels, and reproductive season timing.We assess behavioral and physiological responses to dorso-abdominal massage, evaluating species-specific seminal traits using conventional and advanced methods.Positive behavioral responses corresponded

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New Perspectives of Gene Therapy on Polyglutamine Spinocerebellar Ataxias: From Molecular Targets to Novel Nanovectors

Seven of the most frequent spinocerebellar ataxias (SCAs) are caused by a pathological expansion of a cytosine, adenine and guanine (CAG) trinucleotide repeat located in exonic regions of unrelated genes, which in turn leads to the synthesis of polyglutamine (polyQ) proteins.PolyQ proteins are prone to aggregate and form intracellular inclusions, w

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