Prolonged exposure of dietary phytoestrogens on semen characteristics and reproductive performance of rabbit bucks

Domestic Animal Endocrinology
N M HashemG A Hassan

Abstract

The effects of inclusion of different sources of dietary phytoestrogens on antioxidant capacity, hormonal balance, libido, semen quality, and fertility of rabbit bucks were studied. Twenty-one, adult, fertile, V-line bucks were randomly allocated into 3 homogenous groups (n = 7/treatment) and received control diet (phytoestrogens-free diet, CON) or soybean meal isoflavones-containing diet (SMI) or linseed meal lignans-containing diet (LML) for 12 wk. The diets were formulated to be isocaloric and isonitrogenous. The concentrations of isoflavones in the SMI diet were 24.04 mg/100 g dry matter (DM) daidzein and 13.10 mg/100 g DM genistein. The major phytoestrogen detected in the LML diet was secoisolariciresinol (36.80 mg/100 g DM). Treatment had no effects on body weight, feed intake and rectal temperature of bucks. Compared with control, bucks fed the SMI and LML diets had higher (P < 0.001) blood plasma total antioxidant capacity (0.98 ± 0.12, 1.50 ± 0.13, and 2.29 ± 0.17 mM/L for CON, SMI, and LML, respectively), and lower (P < 0.01) blood plasma malondialdehyde (2.76 ± 0.23, 1.76 ± 0.16, and 1.70 ± 0.18 nmol/mL for CON, SMI, and LML, respectively), whereas activities of reduced glutathione and superoxide dismutase (SOD) enzy...Continue Reading

Citations

Aug 20, 2019·Recent Patents on Drug Delivery & Formulation·Sergei V Jargin
Oct 25, 2020·Antioxidants·Nesrein M HashemJesus Simal-Gandara
Feb 6, 2021·Animals : an Open Access Journal From MDPI·Sameh A AbdelnourAntonio Gonzalez-Bulnes
Dec 10, 2020·International Journal of Endocrinology·Sridevi VaadalaArifullah Mohammed
Mar 7, 2021·Antioxidants·Nesrein M HashemJesus Simal-Gandara

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