Page 228 - PARVEEN, S
P. 228
609 WAHIDATUNNESSA, S.M.; RAHMAN, The present study investigated the seasonal
B.; SAROWER, M. G. & ALI, M. Y. (Fisheries variation of proximate compositions and mineral
& Marine Resource Technology Discipline, contents of Amblypharyngodon mola during July
Khulna University, Khulna). Organoleptic and 2003 to June 2004. In proximate composition
Biochemical Changes of Hilsha (Hilsha tenualosa) analysis the maximum level of moisture content
Stored in Ice and at Ambient Temperature. South was found in autumn (78.6±0.2 g/100 g) and
Asian J. Agric., 2007, 2(1 & 2), 113-116. minimum in winter (77.3±0.17 g/100 g); the
protein content was found maximum in winter
Investigation was carried out on the organoleptic (15.37±0.12 g/100 g), while minimum in autumn
and biochemical quality of Hilsha (Hilsha (14.37±0.21 g/100 g); the fat content was found
tenualosa) stored in ice and at ambient temperature maximum in winter (2.13±0.12 g/100 g), while
(16-18°C) up to complete spoilage. The study was minimum in autumn (1.57±0.06 g/100 g) and the
done in winter of 2007. The initial Organoleptic ash content was found maximum in autumn
score on first day was highly acceptable and the (2.27±0.06 g/100 g) and minimum in winter
th
score remained in the acceptable limit until I2 day (1.6±0. 1 g/100 g). In mineral content study, the
in ice. Whereas, the score surpassed the acceptable calcium content was found maximum in autumn
rd
limit before 3 day and became unacceptable on (1155±5 mg/100 g) and minimum in winter
th
4 day at ambient temperature. Initially the TMA- (1124±5.29 mg/100 g) and the phosphorus content
N content was low (2.478 gN/100g). There was a was maximum in summer (441.67±9.07 mg/100 g)
rapio change in TMA-N content with the progress and minimum in autumn (406.67±4. 16 mg/100 g).
th
of storage period. On the 5 day of storage, the Proximate composition and mineral contents of A.
th
TMA-N value increased slightly. From the 10 day mola varied seasonally.
onward until the end of the trial, the value
increased rapidly. The TMA-N value was 14.609 611 ZAMAN, T. (Dept. of Fisheries, Rajshahi
th
mgN/100g on the 12 day when the quality was University, Rajshahi); BHUIYAN, A.S. &
acceptable but exceeded the recommended ISLAM, M.K. (Dept. of Zoology, Rajshahi
th
acceptable value on the 14 day. The TVB-N University, Rajshahi). Induced Spawning of
content increased markedly just after the Puntius Gonionotus (Bleeker). Bang. J. Zool.,
th
acceptable limit on the 14 day of storage where 2007, 35(2), 245-249.
the value was 13.694 mgN/100g. The pH value
increased with the progress of storage time in ice. An experiment was conducted on the induced
spawning of Rajputi Puntius gonionotus (Bleeker)
610 ZAMAN, S.; HAQ, M.M. (Dept. of from April to July 2005. Five different doses of
Zoology, Jahangirnagar University, Savar, Dhaka); pituitary gland (PG) were used in the experiment.
HOSSAIN, M.A. & ISLAM, M.S. (Food All five doses, such as D 1 - 1 & 2 mg/kg, D 2 - 2 &
Technology Division, Institute of Food & 4 mg/kg, D 3 - 3 & 6 mg/kg, D 4 - 4 & 8 mg/kg, D 5 -
Radiation Biology, Savar, Dhaka). Seasonal 5 & 10 mg/kg were effective equally (100%) in
variation of proximate compositions and mineral induced spawning. The highest fertilization rates
contents in mola fish (Amblypharyngodon mola). were 70.10± 2.25% in April (dose D 4, 75.00 ±
Bang. J. Life Sci., 2006, 18(1), 11-18. 2.10% in May (dose D 3). 80.00 ± 2.14% in June
and 79.20 ± 2.65% in July (dose D 4). The highest
hatching and survivability rates were 61.50 ± 3.10
221
