The effect of water hardness on viability and hatching percentages of Asian catfish, Claria macrocephalus (Gunther) eggs.
An investigation was conducted to established the optimum water hardness during incubation of Asian catfish, Clarias macrocephalus (Gunther) eggs to improve hatching., Eggs were incubated at four levels of water hardness: <100ppm, 100 ppm, 200 ppm and 400 ppm. Percent viability of the eggs were...
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| Médium: | Diplomová práce |
| Jazyk: | English |
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1997.
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