Dietary flaxseed oil improve boar semen quality, antioxidant status and in-vivo fertility in humid sub-tropical region of North East India

Singh, Mahak; Mollier, R. T.; Sharma, P.K.; Kadirvel, G.; Doley, Sunil; Sanjukta, Rajkumari; Rajkhowa, D. J.; Kandpal, B.K.; Kumar, Dhirendra; KHAN, M H; Mitra, Abhijit

doi:10.1016/j.theriogenology.2020.10.023

Cited by 18 publications

(48 citation statements)

References 44 publications

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“…According to the testicular tissue section, we can find that the seminiferous tubules in the free-range group have necrosis, the structure is disordered, part of the connective tissue is broken, and the space between the seminiferous tubules is widened and the arrangement is loose. The increased antioxidants are benefitted to reduce the reactive oxygen species in the epididymis (55). The increased fatty acids and amino acids are all beneficial to sperm formation (56).…”

Section: Discussionmentioning

confidence: 99%

House feeding pattern increased male yak fertility by improving gut microbiota and serum metabolites

Zhu

Li²,

Lousang-zhaxi³

et al. 2022

Front. Vet. Sci.

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Yaks usually live in an extremely harsh natural environment resulting in low reproductive performance, so the production of yak cannot meet local demand in China. In order to solve this problem, the experiment aims to explore the effect of different feeding modes on the semen quality of male yaks, so as to provide a theoretical basis for improving the yield of yaks in Tibet. We used the combined analysis of metabolomics and microbial sequencing to explore the underlying mechanisms that affect the differences in semen quality between the house feeding (HF) system and the free range (FR). The results showed that the sperm motility (P < 0.001) and sperm concentration (P < 0.05) in the HF group were significantly higher than the FR group, and the abnormal sperm rate (P < 0.01) in HF was significantly lower compared to FR. House feeding modes increased some beneficial materials in blood and testis especially some antioxidants, unsaturated fatty acids, and amino acids. House feeding group increased some gut microbiota at genus level namely Rikenellaceae, Bacteroides, Prevotellaceae_UCG-004, Bacteroidales_RF16, and Alloprevotella, DgA-11. It was interesting that blood metabolites, testicular metabolites, and fecal microbiota were well-correlated with sperm parameters. Meanwhile, the blood metabolites and testicular metabolites were well-correlated with microbes. The result indicated that the HF model was beneficial for yak semen quality by improving the gut microbiota and blood metabolism to increase yak fertility.

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Section: Discussionmentioning

confidence: 99%

House feeding pattern increased male yak fertility by improving gut microbiota and serum metabolites

Zhu

Li²,

Lousang-zhaxi³

et al. 2022

Front. Vet. Sci.

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“…Furthermore, flaxseed oil modulated semen production, quality, quantity, freezability, testicular biometrics, and endocrinological profiles in Mithun bulls [ 20 ]. However, the suitable quantity of flaxseed oil necessary for each species is still controversial [ 18 , 58 , 79 , 80 , 81 ]. Noteworthy, depending on the species, sperm motility decreased with the increase of flaxseed oil percentage in the diet ( Table 2 ).…”

Section: Comparison Between the Flaxseed And The Fish Oil To Improve Fresh Semen Quality Of Livestock Animalsmentioning

confidence: 99%

“…This supports a hypothesis that high flaxseed oil is detrimental or has no effect on semen quality especially when no natural antioxidants are used to cause an imbalance, suggesting a necessity to add vitamin E or C on the diet [ 10 ]. In pigs, low (3%) flaxseed oil is necessary to improve semen quality and fertility [ 81 ]. However, there is still a lack of information with regards to pigs when flaxseed oil is reduced to below or higher than 3% and when no antioxidants are used.…”

Section: Flaxseed Oil Alteration Between Monogastric and Ruminant Livestockmentioning

confidence: 99%

Flaxseed Oil as a Source of Omega n-3 Fatty Acids to Improve Semen Quality from Livestock Animals: A Review

Ngcobo

Ramukhithi

Nephawe

et al. 2021

Animals

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The demand to conserve indigenous species through the cryo-gene bank is increasing. Spermatozoa remain sensitive to cryopreservation damages especially that of avian species thus limiting the use of reproductive biotechnologies such as artificial insemination in the conservation programs. Long-chain polyunsaturated fatty acid (LCPUFAs), specifically omega n-3, expanded a research interest to improve animal reproductive efficiency through improving spermatozoa quality. This is driven by the fact that mammals cannot synthesize omega-3 de-novo because they lack delta-12 and delta-15 desaturase enzymes thus supplemented in the diet is mandatory. Delta-12 and delta-15 add a double bond at the 12th and 15th carbon-carbon bond from the methyl end of fatty acids, lengthening the chain to 22 carbon molecules. Fish oil is a pioneer source of omega n-3 and n-6 fatty acids. However, there is a report that numerous fisheries are over-exploited and could collapse. Furthermore, processing techniques used for processing by-products could complement alterations of the amino acid profile and reduce protein retrieval. Alternatively, flaxseed oil contains ±52–58% of total fatty acids and lignans in the form of α-linolenic and linoleic acid. Alpha-linolenic acid (ALA,18:3n-3) is enzymatically broken-down de-novo by delta-6 desaturase and lengthened into a long-chain carbon molecule such as eicosapentaenoic acid (C20:5n-3). Nevertheless, controversial findings following the enrichment of diet with flaxseed oil have been reported. Therefore, this paper is aimed to postulate the role of flaxseed oil as an alternative source of omega n-3 and n-6 fatty acids to improve semen quality and quantity from livestock animals. These include the interaction between docosahexaenoic acid (DHA) and spermatogenesis, the interaction between docosahexaenoic acid (DHA) and testicular cells, and the effect of flaxseed oil on semen quality. It additionally assesses the antioxidants to balance the level of PUFAs in the semen.

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“…Reproductive biotechnologies, especially artificial insemination (AI), play a vital role in the genetic improvement of pigs and other farm animals ( Singh et al, 2021 ). Moreover, AI not only makes significant contributions to the development of swine production worldwide, it also raises the importance of the reproductive efficiency of boars in pig herds ( Tsakmakidis et al, 2010 ).…”

Section: Introductionmentioning

confidence: 99%

“…Semen quality is used as a proxy measure of boar fertility owing to the close correlation between sperm quality with boar fertility, and it creates a desired effect on piglet production in terms of the reproductive performance of sows ( Dong et al, 2016 ). In summary, good semen quality is fundamental for successful AI ( Tsakmakidis et al, 2010 ; Singh et al, 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Alginate oligosaccharides increase boar semen quality by affecting gut microbiota and metabolites in blood and sperm

et al. 2022

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Alginate oligosaccharides (AOS), natural polymers from brown seaweeds (such as Laminaria japonica, Undaria pinnatifida, and Sargassum fusiforme), have been reported to possess many beneficial advantages for health. In the current study, after 9 weeks of dietary supplementation, AOS 10 mg/kg group (AOS 10) group increased boar sperm motility from 87.8% to 93.5%, p < 0.05. Moreover, AOS10 increased the relative abundances of Bifidobacterium, Coprococcus, Butyricicoccus (1.3–2.3-fold; p < 0.05) to increase the beneficial blood and sperm metabolites (1.2–1.6-fold; p < 0.05), and important sperm proteins such as gelsolin, Zn-alpha2 glycoprotein, Cation Channel Sperm-Associated Protein, outer dense fiber of sperm tails, etc. (1.5–2.2-fold; p < 0.05). AOS had a long-term beneficial advantage on boar semen quality by the increase in semen volume (175 vs. 160 ml/ejaculation, p < 0.05). AOS may be used as dietary additives for improving semen quality.

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Dietary flaxseed oil improve boar semen quality, antioxidant status and in-vivo fertility in humid sub-tropical region of North East India

Cited by 18 publications

References 44 publications

House feeding pattern increased male yak fertility by improving gut microbiota and serum metabolites

House feeding pattern increased male yak fertility by improving gut microbiota and serum metabolites

Flaxseed Oil as a Source of Omega n-3 Fatty Acids to Improve Semen Quality from Livestock Animals: A Review

Alginate oligosaccharides increase boar semen quality by affecting gut microbiota and metabolites in blood and sperm

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