Effects of dietary yeast autolysate on performance, some blood parameters and lysozyme activity in rainbow trout (Oncorhynchus mykiss)

Guven A., YALÇIN S.

ANKARA UNIVERSITESI VETERINER FAKULTESI DERGISI, cilt.64, sa.3, ss.177-182, 2017 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 64 Sayı: 3
  • Basım Tarihi: 2017
  • Doi Numarası: 10.1501/vetfak_0000002796
  • Dergi Adı: ANKARA UNIVERSITESI VETERINER FAKULTESI DERGISI
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, TR DİZİN (ULAKBİM)
  • Sayfa Sayıları: ss.177-182
  • Anahtar Kelimeler: Blood parameters, lysozyme, performance, rainbow trout, yeast autolysate, CHALLENGED IN-SITU, SACCHAROMYCES-CEREVISIAE, GROWTH-PERFORMANCE, NILE-TILAPIA, MICROFLORA
  • Ankara Üniversitesi Adresli: Evet

Özet

The aim of this study was to determine the effects of dietary yeast autolysate (Saccharomyces cerevisiae) supplementation on performance characteristics, some blood parameters and lysozyme activity in rainbow trouts. A total of 180 rainbow trouts (Oncorhynchus mykiss) weighing approximately 35 g were used in this experiment. They were divided into one control group and two treatment groups each containing 60 fish. Each group was divided into three subgroups each containing 20 fish. The diets of the first and second treatment groups were supplemented with 0.1% and 0.2% yeast autolysates, respectively. The experimental period lasted for eight weeks. Fish, fed diets with yeast autolysate exhibited higher body weights and specific growth rates than those fed with control diet after eight weeks of experimental period. Feed conversion ratio was improved by dietary yeast autolysate. There were no significant differences among the groups on length, condition factor, serum lysozyme activity, serum total protein and serum cholesterol at the end of the experiment.