Abstract.—The green swordtail Xiphophorus hellerii is a commercially important ornamental species. Because phenotypic males (specifically, fish with the sword extension of the caudal fin) are more valuable economically than fish lacking the sword, masculinization by means of 17-a-methyltestosterone (MT) was tested. Populations of market-size experimental fish, a mix of females and late-maturing males (i.e., lacking male secondary characteristics) were fed MT-treated feed (60 mg MT/kg feed) at a rate of 30 or 50 g of MT-treated feed per kilogram of fish biomass (3 % or 5 % body weight [BW]) for 28 consecutive days to cause development of male secondary sexual characteristics, specifically the growth of the sword extension. Use of MT feed at ...
ABSTRACT. The effects of 17-methyltestosterone (MT) and 11-hydroxyandrostenedione (OHA) ap-plied in ...
In this study, efficient hormone protocol for establishment of masculinized female brood stock, whic...
The objective of this study was to determine the efficacy of two procedures i.e. feeding and immersi...
17α-Methyltestosterone (MT) is a synthetic steroid that has been widely used to masculinize many fis...
To produce all-male progenies in the fighting fish, Betta splendens, six groups of fry were subjecte...
The aim of this research was to assess the possible use of dietary supplementation of 17α-methyltest...
Oncorhynchus mykiss alevins originating from a monosex female population were treated with methyltes...
AbstractThe aim of this research was to assess the possible use of dietary supplementation of 17α-me...
Background: Production of monosex cultures of females is desirable in commercial aquaculture of cert...
Various techniques have been developed for the control of sexual differentiation in a variety of fis...
A study was conducted to evaluate the gonad differentiation of juvenile yellow perch (YP, Perca flav...
Congo Tetra fish is one of the freshwater ornamental fish species which is in great demand because o...
17α-Methyltestosterone (MT) is a synthetic steroid that has been widely used to masculinize many fis...
The success of grouper seeds production is depends on the availability of qualified broodstock. The ...
The effects of two synthetic androgens, 17α-methyltestosterone (5-50mg/kg food), 19-nor-ethynyltesto...
ABSTRACT. The effects of 17-methyltestosterone (MT) and 11-hydroxyandrostenedione (OHA) ap-plied in ...
In this study, efficient hormone protocol for establishment of masculinized female brood stock, whic...
The objective of this study was to determine the efficacy of two procedures i.e. feeding and immersi...
17α-Methyltestosterone (MT) is a synthetic steroid that has been widely used to masculinize many fis...
To produce all-male progenies in the fighting fish, Betta splendens, six groups of fry were subjecte...
The aim of this research was to assess the possible use of dietary supplementation of 17α-methyltest...
Oncorhynchus mykiss alevins originating from a monosex female population were treated with methyltes...
AbstractThe aim of this research was to assess the possible use of dietary supplementation of 17α-me...
Background: Production of monosex cultures of females is desirable in commercial aquaculture of cert...
Various techniques have been developed for the control of sexual differentiation in a variety of fis...
A study was conducted to evaluate the gonad differentiation of juvenile yellow perch (YP, Perca flav...
Congo Tetra fish is one of the freshwater ornamental fish species which is in great demand because o...
17α-Methyltestosterone (MT) is a synthetic steroid that has been widely used to masculinize many fis...
The success of grouper seeds production is depends on the availability of qualified broodstock. The ...
The effects of two synthetic androgens, 17α-methyltestosterone (5-50mg/kg food), 19-nor-ethynyltesto...
ABSTRACT. The effects of 17-methyltestosterone (MT) and 11-hydroxyandrostenedione (OHA) ap-plied in ...
In this study, efficient hormone protocol for establishment of masculinized female brood stock, whic...
The objective of this study was to determine the efficacy of two procedures i.e. feeding and immersi...