Spirulina platensis Algae Enhances Endogenous Antioxidant Status, Modulates Hemato-Biochemical Parameters, and Improves Semen Quality of Growing Ram Lambs

Abstract

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Effects of ICSH Hormone and Testosterone by Adding Spirulina Platensis to the Feed with Different Protein Levels in Local Male Sheep

“…Although there are few studies on the dimensions of the scrotum, some studies, including the study of Liang et al [39] on Chinese "HU" lambs, didn't notice a significant effect of SP supplements on the dimensions of the scrotum and its contents, which is not in agreement with our study. On the other hand, our results contradicted the study of Assar et al [30] who observed an increase in the scrotal circumference of sheep supplemented with SP. The reason was attributed to the fact that there is a positive correlation between the increase in the live body weight of animals in the SP groups, with a tendency to increase in the scrotal circumference compared to controls.…”

“…levels for both periods 45 and 90. The current results are consistent with what was indicated by several studies [28,29,30] which indicated that SP had a significant effect on testo. levels in blood serum of sheep, goats, and laboratory animals.…”

Effect of Lipid Profile and Liver Enzymes by Adding Spirulina Platensis to Feed with Different Levels of Protein in Local Male Sheep

“…While the interaction between the protein and SP algae on day 45 recorded significant differences in levels of (CHOL, TG, HDL, VLDL), while it didn't affect level of LDL as for day 90, it affected all levels of fats in blood. The results of current study are consistent with [10,8,18,19,20,21] which indicated a significant difference in the levels of CHOL, TG, HDL, LDL, and VLDL in blood serum of animals that had SP added to their feed. The reason for this may be attributed to the anti-fatty and anti-hyperglycemic properties of SP by reducing glucose, cholesterol, and TG and increasing insulin resistance, or the hypolipidemic activity may be due to the β-carotene and linolenic acid of SP, which affect CHOL synthesis, or the effect may be due to its antioxidant properties [7,22].…”

“…In a study on mice, it showed a significant decrease in level of enzymes ALT and AST in blood serum of those with osteoporosis when treated with SP at 6% of the feed for 60 days [27]. The study [21,28] also showed a significant decrease in level of ALT and AST in lambs treated with SP at an amount of 1 g/10 kg for a period of 42 to 150 days. This may be attributed to the protective effect of SP, which acts as a powerful antioxidant associated with scavenging free radicals of this algae, which can be exerted in various ways such as preventing DNA damage and lipid peroxidation [29].…”