All-female triploids were produced by heat shocking 2.5-min-old eggs which had been
fertilized with sperm from a masculinized female (XX-♂). Induction of triploidy was confirmed …

Elimination of uncontrolled reproduction is desirable to channel the available energy for the
efficient and rapid growth of tilapias. This may be achieved by hormonal treatment and …

Triploid rainbow trout were produced by heat shock treatment of eggs soon after fertilization
with either normal sperm or sperm from masculinised females. The proportion of triploid fry …

The use of tetrapoloid broodstock in tetraploid× diploid matings has been suggested as a
method of circumventing de novo triploid induction. Eggs from female tetraploids may also …

The effects of triploidy on sexual development and reproduction were examined in female
and male Nile tilapia (Oreochromis niloticus L.). Triploidy was induced by exposing newly …

Cent percent allotriploids were induced by heat shocking (42° C for 3 min) of 2· 5 min old
(post-fertilization) Oreochromis mossambicus eggs fertilized with (homozygous) red tilapia …

Triploidy was induced in mud loach (Misgurnus mizolepis) by cold shocking fertilized eggs 5
min post-fertilization at 2° C for 15 to 60 min. Best results were obtained when eggs were …

Induction of triploidy and tetraploidy in Nile tilapia, Oreochromis niloticus, was investigated
by heat shock, cold shock, hydrostatic pressure, and/or chemicals (cytochalasin A, B, and D) …

Triploidy was induced by heat-shock in 50 egg batches of tilapia. Determination of triploidy
was done by chromosome examination during the embryonic phase. For growth and …

The aim of this investigation was to study the aquacultural potential of triploid tilapia in
extensive pond culture under tropical conditions vs. traditional predator controlled cultivation …