Caractérisation saisonnière des eaux de puits à usage maraîchère et domestique de Korhogo (Côte d’Ivoire)

Yapo, Rachelle Ida; Mambo, Véronique; Alder, Alfredo C.; Ohou-Yao, Marie Jeanne; Ligban, Raymond; Dao, Daouda; Stamm, Christian; Bonfoh, Bassirou

doi:10.4314/ijbcs.v10i3.41

Cited by 8 publications

(14 citation statements)

References 17 publications

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“…In Senegal, a study carried out near the edge of Tanna Lake in the Niayes gives a contamination rate of 35% of the wells (Dieng, 2008). The contamination rate of 76.92% of the samples from wells in this study area is much higher than those found in the studies cited above, lower than the rate of 88.88% of Korhogo market garden and domestic water wells in Ivory Coast (Yapo et al, 2016). The widespread contamination by pesticides can be explained by two facts: the two sample collections seasons take place during the months of September, which corresponds to a period rainy and crops continue to receive further treatments with pesticides.…”

Section: Discussioncontrasting

confidence: 66%

“…These four organochlorine pesticides were found in the waters of the Nakamba dam in Burkina Faso (Ouattara et al, 2012) and other authors in West Africa (Soclo, 2003;Mawussi, 2008;Agagbé, 2008;Agbohessi et al, 2012;Ngom et al, 2012). Deltamethrin has been quantified in well water in Korhogo (Yapo et al, 2016), in Niayes (Ngom et al, 2012). Already the study conducted in the cotton producing area in 2007 detected the residues of eight pesticides in well water at low volumes (Dem et al, 2007), then the work of Maiga et al, (2014) resulted in quantifications of organochlorine pesticides in well waters to finish with the results of this study which found high levels of organochlorine pesticides with deltamethrin.…”

Section: Discussionmentioning

confidence: 99%

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Pesticides Residues in Shallow Ground Waters From Five Cotton Growing Areas of Mali

Maïga¹,

Maïga²,

Kone³

et al. 2019

IJAEB

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The cotton production in Mali is made with a massive use of fertilizers and pesticides. This use of pesticides against cotton pests raises questions about the level of pollution of the environment in general and the groundwater from the cotton basin of Mali in particular. The study consists of sampling shallow ground water from two areas, each considered vulnerable to ground water contamination from agricultural chemicals. It carried out in the regions of Koulikoro and Sikasso, then consisted of a search for residues of four organochlorine pesticides (DDT, dieldrin, endosulfan α and lindane) and one pyrethrinoid (deltamethrin) in the well water. Five sampling sites (Kassela, Koumantou, Ouelessebougou, Sido and Tienfala) were explored. Two collection seasons were carried out in September 2016 (S1) and September 2017 (S2). They involved a total of 104 well water samples divided into 78 wells without margins and 26 wells with margins. The samples were extracted and analyzed by a gas chromatograph equipped with an Electron Capture Detector. The results show the presence of pesticide residues at measurable concentration for 80 of the 104 wells from the five sites. Pesticides residues were determined in 76.92% of the samples. The pesticide with the highest detection frequency was Deltamethrin which was detected in 20 of the 80 contaminated wells.

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Section: Discussioncontrasting

confidence: 66%

Section: Discussionmentioning

confidence: 99%

Pesticides Residues in Shallow Ground Waters From Five Cotton Growing Areas of Mali

Maïga¹,

Maïga²,

Kone³

et al. 2019

IJAEB

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“…La zone se caractérise par une végétation constituée de savane arborée et arbustive, un climat de type soudanais. La géologie de la zone n'est pas favorable à la présence de grands aquifères et les seules réserves importantes d'eaux souterraines se situent dans les fissurations du granite, ou dans les colluvions de marigot de moindre importance (Yapo et al, 2016). Les températures moyennes journalières s'élèvent à 29 °C environ en saison sèche et à 25 °C en saison des pluies.…”

Section: Materiel Et Methodes Zone D'étudeunclassified

Caractérisation de la pisciculture dans la région du Poro (Nord de la Côte d’Ivoire)

N’Dri¹,

Brou²,

Yao³

et al. 2021

Int. J. Bio. Chem. Sci

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Cette étude a été menée afin de faire un diagnostic de l’activité piscicole dans la région du Poro. Elle émane des résultats obtenus à l’issu de 2 mois d’enquêtes (mars et avril, 2014) auprès des pisciculteurs. Il ressort que la pisciculture est semi-intensive et pratiquée par des nationaux. La population de pisciculteurs est dominée par des acteurs dont l’âge est supérieur à 45 ans (75%). Les étangs utilisés sont en dérivation. Tous les acteurs fabriquent leur aliment poisson et éprouvent des difficultés à nourrir correctement les sujets. Ils ne bénéficient d’aucun encadrement technique de la part des structures en charge des productions halieutiques. Les espèces majoritairement élevées sont Oreochromis niloticus et Heterobranchus longifilis. La production totale annuelle est estimée à 8 600 ± 1697,1 kg avec un chiffre d’affaires par pisciculteur évalué à 2 876 700 FCFA. Cette activité constitue l’un des moyens de subsistance pour une frange de la population. Sa redynamisation est recommandée afin d'améliorer son impact positif. English title: Characterization of fish farming in the Poro region (North of Côte d'Ivoire) This study was carried out in order to make a diagnosis of the fish farming activity in the Poro region. It emanates from the results obtained after 2 months of surveys (March and April, 2014) among fish farmers. It appears that fish farming is semi-intensive and practised by nationals. The fish farming population is dominated by actors over 45 years old (75%). The ponds used are bypass. All the actors make their fish food and find it difficult to feed the subjects correctly. They do not benefit from any technical supervision from the structures in charge of fish production. The predominantly cultivated species are Oreochromis niloticus and Heterobranchus longifilis. The total annual production is estimated at 8,600 ± 1,697.1 kg with a turnover per fish farmer estimated at 2,876,700 FCFA. This activity constitutes one of the means of subsistence for a segment of the population. Its revitalization is recommended in order to improve its positive impact.

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“…Approximately 1/3 of vendors declared to use spontaneous fermentation practices depending on environmental conditions. During the dry season, the warm room temperature (~29˚C) [32] sustained the spontaneous fermentation and delivered FDP in about 17-19 h. In the rainy season, the room temperature was relatively low (under 25˚C) [32] and fermentation took much longer, so the milk was initiated via backslopping or through the addition of an industrial yogurt as described above.…”

Section: Plos Onementioning

confidence: 99%

Traditional milk transformation schemes in Côte d’Ivoire and their impact on the prevalence of Streptococcus bovis complex bacteria in dairy products

et al. 2020

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The Streptococcus bovis/Streptococcus equinus complex (SBSEC) and possibly Streptococcus infantarius subsp. infantarius (Sii) are associated with human and animal diseases. Sii predominate in spontaneously fermented milk products with unknown public health effects. Sii/SBSEC prevalence data from West Africa in correlation with milk transformation practices are limited. Northern Cô te d'Ivoire served as study area due to its importance in milk production and consumption and to link a wider Sudano-Sahelian pastoral zone of cross-border trade. We aimed to describe the cow milk value chain and determine Sii/ SBSEC prevalence with a cross-sectional study. Dairy production practices were described as non-compliant with basic hygiene standards. The system is influenced by secular sociocultural practices and environmental conditions affecting product properties. Phenotypic and molecular analyses identified SBSEC in 27/43 (62.8%) fermented and 26/67 (38.8%) unfermented milk samples. Stratified by collection stage, fermented milk at producer and vendor levels featured highest SBSEC prevalence of 71.4% and 63.6%, respectively. Sii with 62.8% and 38.8% as well as Streptococcus gallolyticus subsp. macedonicus with 7.0% and 7.5% were the predominant SBSEC species identified among fermented and unfermented milk samples, respectively. The population structure of Sii/SBSEC isolates seems to reflect evolving novel dairy-adapted, non-adapted and potentially pathogenic lineages. Northern Cô te d'Ivoire was confirmed as area with high Sii presence in dairy products. The observed production practices and the high diversity of Sii/SBSEC supports in-depth

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Caractérisation saisonnière des eaux de puits à usage maraîchère et domestique de Korhogo (Côte d’Ivoire)

Cited by 8 publications

References 17 publications

Pesticides Residues in Shallow Ground Waters From Five Cotton Growing Areas of Mali

Pesticides Residues in Shallow Ground Waters From Five Cotton Growing Areas of Mali

Caractérisation de la pisciculture dans la région du Poro (Nord de la Côte d’Ivoire)

Traditional milk transformation schemes in Côte d’Ivoire and their impact on the prevalence of Streptococcus bovis complex bacteria in dairy products

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