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effect of the Iraqi crude oil on the growth of two Cyanobacteria strains Microcystis
flos-aquae (Wittr.) Kircher (unicellular) and Nostoc carneum Agardh
(filamentous) was studied basing on it is biomass expressed as chlorophyll-a
(μg/ml). Growth rate and doubling time of the cells were also calculated
accordingly in present or absent of the crude oil. Also, Microscopical
examination was observed to detect the morphological changes. Both species
appeared different responses towards oil toxic influences with different
concentrations and time of exposure. Growth was decreased gradually with Microcystis with addition of 10, 30, 50 and 70 mg/l of the crude oil, slightly toxic
effects were observed with Nostoc in comparison to the control.
Different significant correlations (P ≤ 0.05) were observed between growth of
the cyanobacteria and the oil concentrations. Furthermore, results demonstrated
that Microcystis was considered to be more sensitive than Nostoc towards crude oil concentrations.
Objective: To document our experience on the use of
Jadelle/Implanon contraceptives that was recently introduced into Ahmadu Bello
University Teaching Hospital (ABUTH), Zaria, Nigeria. It is pertinent to
generate data on the experiences in the use of this contraceptive in a cross
sectional study within Zaria, Northern Nigeria. Method: Data on consecutive
clients that accepted Jadelle/ Implanon from June 2009 to November 2013 at
ABUTH were extracted from their cards and analyzed using SPSS version 17. Out
of a total of 11,502 clients that were for contraception during the period
under review, 798 accepted Jadelle/Implanon accounting for 7% of the total
clients. All the clients were married. About 67.8% were Muslims while 27.2%
were Christians and 5% belong to other sect. 4140 (36%) had tertiary education.
Most of the client has been on one form of modern contraception; only 16% were
first time users who accepted implant after counselling. 37% of
the？clients are full time housewives. The discontinuation rate was found
to be 26% for Jadelle and 19%？for Implanon. No pregnancy was recorded
during this period. Conclusion: Jadelle/Implanon account for 7% of contractive
uptake and a high discontinuation rate was found among the users.