Linseed oil in boar’s diet during high temperature humidity index (THI) period improves sperm quality characteristics, antioxidant status and fatty acid composition of sperm under hot humid sub-tropical climate

Singh, Mahak; Mollier, R. T.; Pongener, Nungshitula; Bordoloi, L. J.; Kumar, Rakesh; Chaudhary, J. K.; Katiyar, Rahul; KHAN, M H; Rajkhowa, D. J.; Mishra, V. K.

doi:10.1016/j.theriogenology.2022.06.012

Cited by 5 publications

(11 citation statements)

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“…This is the first report of the application effects of EELO on boar semen quality which shows its positive effects on reproduction parameters. Previous data have [ 6 , 7 , 8 , 9 , 10 ] shown that the application of different sources of PUFAs in boar diets significantly increased semen volume, total sperm pen ejaculate and sperm concentration, in addition to reducing reaction time. This may be due to the ability of PUFAs to affect many factors which are related to the synthesis and metabolism of essential reproductive hormones, such as testosterone and prostaglandin [ 40 ].…”

Section: Discussionmentioning

confidence: 99%

“…Table 1 shows the composition of the basal diet. In the Experimental group, each boar had standard feed that was top-dressed, according to the methodology presented by Singh et al [ 9 ] and Yeste et al [ 19 ]; every meal contained linseed oil ethyl esters (Omegaregen ® –nutriceutic, FLC Pharma, Wrocław, Poland). Linseed oil ethyl esters were administered at each feeding at a rate of 3.0% (45 mL each) in basal diets to each boar on a daily basis for 16 weeks.…”

Section: Methodsmentioning

confidence: 99%

“…The following parameters of the boars’ sexual activity were measured: reaction time, as the time from entering the collection room until mounting the phantom; and false mounts (numbers), which were counted as mounting the dummy but dismounting before semen donation by the boar (mounts with no collection). The time required to induce individual sexual reflexes and their durations were determined using a stopwatch, to within one second [ 9 , 20 ].…”

Section: Methodsmentioning

confidence: 99%

“…This effect can be withheld by the application of antioxidants. Supplementation with dietary PUFAs from different sources, such as fish oil [ 6 ], microalgae [ 7 ] and flaxseed oil [ 8 , 9 , 10 ], is practicable, and the positive effects on boar semen have been confirmed.…”

Section: Introductionmentioning

confidence: 99%

“…Deficiency in this acid manifests in disorders of the proper functioning of the body (cell membranes, skin, the immune system, the circulatory system and the nervous system). It has a positive effect on the quality of male semen [ 8 , 9 , 10 ]. It can elongate and add new double bonds and thus convert into eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) ( Figure 1 ) [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

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Dietary Supplementation with Linseed Oil Ethyl Esters Improves Sexual Behavior and Chosen Seminal Parameters in Porcine Species

Zwyrzykowska-Wodzińska

Bielas

Niżański

et al. 2023

Animals

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Numerous studies have shown that improvements in the sperm and semen quality of males of many species can be achieved with appropriate dietary supplements added to feed or fodder. Particularly promising seems to be the inclusion of omega polyunsaturated fatty acids in the diets of males. Among other things, it has been shown that linseed oil ethyl esters (EELO can be an excellent source of omega 3 polyunsaturated fatty acids in animal diets. These compounds are more durable and resistant to oxidation, epoxidation and resinification processes, and do not exhibit toxic properties in living organisms. At present, there is a lack of data in the literature on the enrichment of boar diets with EELO. The purpose of this study was to analyze the effects of the addition of EELO to boar diets on the properties of sperm in fresh semen. The study was conducted during the summer on semen collected from 12 boars of the line 990. Linseed oil ethyl esters were administered in each feeding at a rate of 3.0% (45 mL each) in basal diets for each boar on a daily basis for 16 weeks. Ejaculates were collected manually by the gloved-hand technique, at one-week intervals for eight-week periods, from the eighth week onwards after the start of feeding. Eight ejaculates were collected from each boar, totaling 96 samples. The addition of EELO to the diets of boars caused an increase in sperm viability (p < 0.001), semen volume (310 mL versus 216 mL, p < 0.001) and sperm concentration (331 versus 216 million per mL, p < 0.001). Furthermore, in the experimental animals, there was a decrease in the percentage of spermatozoa exhibiting DNA fragmentation. The experimental boars also showed an increase in the percentage of gametes without apoptosis and capacitation and an increase in the percentage of viable spermatozoa not showing lipid peroxidation membranes. Consequently, EELO nutritional supplementation resulted in the improved quality of the fresh semen of boars.

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