Kanatlı semeninin dölleme yeteneği ve yağ asidi kompozisyonu üzerine yem yağlarının ve antioksidanların etkisi

Evcil kanatlıların spermatozoasının tipik yağ asidi profili, C20-22:n-6 yağ asidinin üstünlüğü ile karakterize edilir. Balık yağı spermatozoa fosfolipitlerinin C22:6n-3 oranında önemli fakat sınırlı bir artışı teşvik ederken C20:4n-6 ve C22:4n-6 yağ asitlerinde buna paralel eşit bir azalış görülmüştür. Balık yağı bitkisel yağlara göre spermin dölleme yeteneğini önemlice artırırken, spermatozoanın yağ asidi bileşimi yem uygulamalarına önemli derecede direnç göstermiştir. Bu sonuçlara göre yemin yağ kompozisyonu semenin yağ asidi kompozisyonunu ve dölleme yeteneğini değiştirirken, antioksidanlar, reaktif oksijen türlerine karşı sperm zarlarını korur, spermin yaşam ömrünü uzatırlar

Anahtar Kelimeler:

Kanatlı, semen, döllülük, yağ, antioksidan

The Effect of Dietary Fats and Antioxidants on Fatty Acid Composition and Fertility Ability of Fowl Semen

The typical fatty acid profile of the spermatozoa of domesticated poultry is characterized by the predominance of C20-22: n-6 polyunsaturated. The fish oil diet induced a significant but limited increase in the proportion C22:6n-3 in spermatozoa phospholipids in parallel with an equivalent decrease in the proportion of C20:4n-6 and C22:4n-6. In addition, the fish oil diet gave significantly higher sperm fertility rate than vegetable oil diet, but fatty acid profile of spermatozoa display a considerable degree of resistance to manipulation by dietary means. These results clearly show that the lipid composition of diet may modify the fatty acid composition of semen and fertilizing ability. Antioxidants have protected sperm membranes against toxic reactive oxygen species, thereby extending the life span of sperm

Keywords:

Fowl, semen, fertility, fat, antioxidant,

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