Effects of differrent diets on growth performance and egg-carrying ratio of rotifer (Brachionus rotundiformis)
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Keywords

Brachionus rotundiformis
Nannochloropsis oculata
food
rotifer
Selco S.parkle Brachionus rotundiformis
Nannochloropsis oculata
luân trùng
thức ăn
Selco S.parkle

Abstract

This study aimed to evaluate the effect of different diets on the growth performance and egg-carrying ratio of rotifer. The experiment was designed as completely randomly designed, including three diets with 3 replications: NT1 (100% Nannochloropsis oculata); NT2 (50% baker’s yeast + 50% Nannochloropsis oculata); and NT3 (100% Selco S.parkle). The results showed that water quality parameters were within the suitable ranges for growing rotifer. After 8 cultured days, the highest density of rotifer was in NT3                         (276 ind/mL) and was significantly different from other treatments (p < 0,05). Similarly, the highest population growth rate of rotifer was in NT3 (0.25%) on the sixth day. Also, the highest percentage of egg-carrying rotifer was also in NT3 (32.93%) and was significantly different from other treatments (p < 0,05). The results recommend that Selco S.parkle should be used to enhance the growth performance and biomass of rotifer.

https://doi.org/10.26459/hueunijard.v133i3A.7286
PDF (Vietnamese)

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