Abstract
Can feed supplementation of the refined vegetable oils enhance the seminal quality of rabbit bucks (Oryctolagus cuniculus)?
Highlights
Exploring new feeding strategies are a necessary aspect for improving the reproductive performance in rabbits
The present experiment was conducted to determine whether supplementing different types and levels of refined vegetable oils to the ration would enhance the seminal characteristics in rabbit bucks
Feeding rations supplemented with soybean and/or sunflower oils at the level of 3% of DM to rabbit bucks during their adulthood period had no impacts on their health status, based on the findings that blood hematology as well as liver and kidney functions were not altered; thereby, suggesting that the refined vegetable oils can be safely supplemented into rabbits rations
Summary
Exploring new feeding strategies are a necessary aspect for improving the reproductive performance in rabbits. The collected evidences proposed that supplementing vegetable oil-enriched rations to rabbit bucks during their adulthood may demonstrate subsequent positive influences on their reproductive characteristics as early as the 3rd/4th week after feeding on such oils This was generally manifested by the higher (P < 0.05) sperm concentration, total sperm output, percentage of motile sperms, as well as the lower (P < 0.05) percentages of dead and altered acrosomal sperms that observed in bucks compared to their control twins. Based on the obtained results feeding rations supplemented with soybean and/or sunflower oils at the level of 3% of DM to rabbit bucks during their adulthood would produced an acceptable semen quality compared to the control bucks Research dealing with such aspect may improve our understanding of the nutritional requirements and production of rabbits. Further researches are definitely imperative because of the number of bucks per group was considerably low in the current experiment
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