FishBase References for Kruger, D.P., P.J. Britz and J. Sales,
2001

Ref. No.	Title
48268	The influence of livefeed supplementation on growth and reproductive performance of swordtail (Xiphophorus helleri Heckel 1848) broodstock.
48269	Influence of varying dietary protein content at three lipid concentrations on growth characteristics of juvenile swordtails (Xiphophorous helleri Heckel 1848).

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FishBase References for Kruger, D.P., P.J. Britz and J. Sales,2001