Biochemical composition of seminal plasma of agoutis in different environmental conditions of Caatinga

Ana Glória Pereira; Maiko Roberto Tavares Dantas; Samara Sandy Jerônimo Moreira; Nayra Rachel Nascimento Luz; João Batista Freire Souza-Júnior; Alexandre Rodrigues Silva

doi:10.1590/1983-21252025v3813015rc

Authors

Ana Glória Pereira Laboratory of Animal Germplasm Conservation, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0003-4583-6381
Maiko Roberto Tavares Dantas Laboratory of Animal Germplasm Conservation, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0002-9422-9767
Samara Sandy Jerônimo Moreira Laboratory of Animal Germplasm Conservation, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0001-9204-9204
Nayra Rachel Nascimento Luz Laboratory of Animal Germplasm Conservation, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0003-0174-491X
João Batista Freire Souza-Júnior Laboratory of Animal Germplasm Conservation, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0002-1912-2185
Alexandre Rodrigues Silva Laboratory of Animal Germplasm Conservation, Universidade Federal Rural do Semi-Árido, Mossoró, RN, Brazil https://orcid.org/0000-0001-6027-1062

DOI:

https://doi.org/10.1590/1983-21252025v3813015rc

Keywords:

Seasonality. Dasyprocta leporina. Reproductive physiology.

Abstract

This study aims to advance knowledge of the reproductive aspects of the red-rumped agouti (Dasyprocta leporina). The objective was to describe the organic and inorganic constituents present in the seminal plasma of agouti specimens analyzed under different environmental conditions in a semiarid region. Seminal plasma was collected from six adult males via electroejaculation during both the dry and rainy seasons. Organic components (total proteins, albumin, cholesterol, triglycerides, fructose, and glucose) and inorganic components (phosphorus, magnesium, calcium, iron, chloride, sodium, and potassium) were analyzed. Significantly higher concentrations of glucose (88.24 vs. 26.27 mg/dL), phosphorus (66.40 vs. 3.67 mg/dL), and potassium (92.67 vs. 19.68 mmol/L) were detected during the dry season compared to the rainy season (p < 0.05). Conversely, chloride concentrations (43.04 vs. 201.40 mEq/L) were significantly higher during the rainy season (p < 0.05). This study provides the first description of the biochemical composition of seminal plasma in this species, revealing important seasonal variations in these constituents within the Caatinga biome.

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