Morphometry length-weight relationship and condition factor of Pila ovata (Olivier, 1804) from oil mill market, port Harcourt area, rivers state
Deekae SN, Lazarus Onisowurun T, Iwarri IP
The morphometry length-weight relationship and condition factor of Pila ovatafrom Oil mill market, Port-Harcourt, Rivers State, was carried out fortnightly for a period of 4 months (March-June, 2019). A total of 1000 apple snails of different sizes were used for the analysis. The result indicated a negative allometric growth for length – weight relationship, spiral length weight relationship, shell length and shell width relationship and base length and weight relationship of the gastropodwith a growth exponent b value of (2.0518-2.1081). This value was confirmed negative allometric when a t-test was carried out (P<0.05). It was < 3 which is a clear deviation from isometry. The mean condition factor value for all the months sampled was 0.9150 which reveals that the gastropods are in poor condition. However, the mean condition factor for the months of March and June was >1 indicating a good condition. There is therefore need for longer research since this research was conducted for only 4 months. However, urgent steps should be taken in the right direction to reduce the pollution load that has plagued the environment which this priced species thrive to avoid extinction of these species.