What social preference and ratio are typically recommended when keeping zebrafish in laboratory groups?
Answer
Kept in groups with a ratio favoring females
Zebrafish are characterized as social creatures, and proper husbandry dictates they should not be housed alone but rather maintained in groups to ensure appropriate welfare and consistency in experimental results. When establishing these groups, it is generally recommended that the ratio of fish should favor females. This preference, combined with adhering to standardized water quality maintenance, such as disciplined partial water changes to manage nitrogenous waste, is essential for maintaining a stable colony suitable for scientific study.
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