Biochemical and Microbiological Characteristics of Fresh Sardines (Sardinella maderensis) from the Exclusive Economic Zone of Mauritania Waters

Table 3

For each variable and each observation month, the percentage of samples NOT meeting the quality standard as well as the / values (absolute number of samples not meeting the quality standard/total number of available samples) are shown. For each variable, the value of the chi-square tests for testing whether the differences between months are significant is also shown.

Variable	2021-4	2021-5	2021-6	2021-7	2021-11	2021-12	2022-1	2022-2	2022-3	P
TVC	13.3% (2/15)	0.0% (0/15)	0.0% (0/15)	0.0% (0/15)	0.0% (0/15)	0.0% (0/15)	6.7% (1/15)	20.0% (3/15)	0.0% (0/15)	0.0624
ENT					66.7% (10/15)	20.0% (3/15)	60.0% (9/15)	60.0% (9/15)	66.7% (10/15)	0.0527
TC	80.0% (12/15)	80.0% (12/15)	73.3% (11/15)	93.3% (14/15)	80.0% (12/15)	53.3% (8/15)	100.0% (15/15)	80.0% (12/15)	80.0% (12/15)	0.1318
FC	73.3% (11/15)	20.0% (3/15)	13.3% (2/15)	33.3% (5/15)	46.7% (7/15)	40.0% (6/15)	33.3% (5/15)	46.7% (7/15)	26.7% (4/15)	0.0413
EC	26.7% (4/15)	6.7% (1/15)	6.7% (1/15)	26.7% (4/15)	13.3% (2/15)	0.0% (0/15)	6.7% (1/15)	0.0% (0/15)	6.7% (1/15)	0.1358
TVBN35	13.3% (2/15)	0.0% (0/15)	6.7% (1/15)		0.0% (0/15)	0.0% (0/15)	0.0% (0/15)	0.0% (0/15)	0.0% (0/15)	0.3197
TVBN25	66.7% (10/15)	33.3% (5/15)	20.0% (3/15)		13.3% (2/15)	0.0% (0/15)	13.3% (2/15)	6.7% (1/15)	0.0% (0/15)	0.0002
TMA	73.3% (11/15)	60.0% (9/15)	13.3% (2/15)		20.0% (3/15)	0.0% (0/15)	20.0% (3/15)	6.7% (1/15)	0.0% (0/15)	0.0002