نتایج جستجو برای: length growth
تعداد نتایج: 1099057 فیلتر نتایج به سال:
Population growth (length-weight relationship), and reproductive potential (e.g. fecundity, and sex-ratio) of five important fish species (‘mola’: Amblypharyngodon mola, ‘puti’: Puntius sophore, ‘tengra’: Mystus vittatus, ‘shing’: Heteropneustes fossilis and ‘taki’: Channa punctatus) collected from two important fresh water bodies (nam...
the effects of weight and length of barbus grypus broodstock on fingerlings reproductive characteristics and growth were investigated. we chose three female treatments including weight and length groups (1) 2212.5±479g, 62.68±6.7cm, (2) 4518±780g, 79.12±4.36cm and (3) 7712.5±1171g, 92.62±3.13cm. the same male broodstock were used for all the treatments with the weight and length size of 140...
Drought stress is one of the most important factors limiting plant growth all around the world. Plant Growth Promoting Rhizobacteria (PGPR) can significantly reduce drought stress effects on plants growth. This study was aimed to investigate the influence of PGPR (inoculation by Azospirillum lipoferum, Azotobacter chroococcum, Pseudomonas aeruginosa, and Bacillus cereus) on seed germination, se...
Introduction: Aside from classic indexes of infant growth such as weigh, length and head size, other infant parameters have been investigated in different studies and its relationship with gestation age and uterine internal growth have been evaluated. these parameters include breast size, underfoot size and arm size. In this study, the correlation between underfoot size of new-borns and other c...
Estimates of age, growth parameters, length-weight relationship and length and age at first maturity of the otolithes ruber are required for fishery management. We used counting annuli on the section of sagittal otoliths to age O.ruber from the Northwest Persian Gulf in south of Iran. Estimated ages ranged from 0 to 6 years, and maximum frequency of fishes was observed in age-group 1. The val...
This work which relates to the study of growth and biometrics is an essential tool for a better monitoring of the stocks of the Gilthead sea bream Sparus aurata on the coast of Kabylia: region of Tigzirt province of Tizi-Ouzou. The results showes that the annual growth of S. aurata is 3.4 cm (all sexes combined) while the growth parameters calculated by the Von Bertalanffy equation are establis...
Estimates of age, growth parameters, length-weight relationship and length and age at first maturity of the otolithes ruber are required for fishery management. We used counting annuli on the section of sagittal otoliths to age O.ruber from the Northwest Persian Gulf in south of Iran. Estimated ages ranged from 0 to 6 years, and maximum frequency of fishes was observed in age-group 1. The val...
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