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In vitro Effect of L-Tryptophan on the Quality and Fertilizing Capacity of Sperms of Endangered Species of Trouts

In vitro Effect of L-Tryptophan on the Quality and Fertilizing Capacity of Sperms of Endangered Species of Trouts

Filiz Kutluyer* 

Fisheries Faculty, Munzur University, Tunceli 62000, Turkey

*      Corresponding author: filizkutluyer@hotmail.com

 

Fig. 1.

Effect of supplementation of L-tryptophan to different activation mediums (NaCl and NaHCO3) on the sperm motility (A), its duration (B), fertility (C) and hatching rate of eggs (D) of O. mykiss (n=6). Different letters show differences between treatments (p<0.05). T1; 0 mM, T2; 1 mM, T3; 2 mM, T4; 3 mM, T5; 4 mM, T6; 5 mM.

Fig. 2.

Effect of supplementation of L-tryptophan to different activation mediums (NaCl and NaHCO3) on sperm motility (A), its duration (B), fertility (C) and hatching rate of eggs (D) of S. rizeensis (n=6). Different letters show differences between treatments (p<0.05).

Fig. 3.

Effect of supplementation of L-tryptophan to different activation mediums (NaCl and NaHCO3) on sperm motility (A), its duration (B), fertility (C) and hatching rate of eggs (D) of S. coruhensis (n=6). Different letters show differences between treatments (p<0.05).

Fig. 4.

Effect of L-tryptophan on the motility parameters of rainbow trout O. mykiss, S. rizeensis, S. coruhensis sperm for different activation mediums (NaCl, NaHCO3). BCF, beat cross frequency; STR, straightness; LIN, linearity; VAP, average path velocity; VCL, curvilinear velocity; VSL, straight line velocity.

Pakistan Journal of Zoology

October

Vol. 50, Iss. 5, Pages 1601-1998

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