Long distance transport of irradiated male Glossina palpalis gambiensis pupae and its impact on sterile male yield

Particle and Fibre Toxicology

Jérémy Bouyer³  Adrien MG Belem⁴  Jean-Baptiste Rayaissé⁵  Issa Sidibé⁵  Mireille Bassene¹  Assane Gueye Fall¹  Geoffrey Gimonneau¹  Marc JB Vreysen⁷  Baba Sall⁶  Momar Talla Seck¹  Soumaïla Pagabeleguem² 

[1] Institut Sénégalais de Recherches Agricoles, Laboratoire National d’Elevage et de Recherches Vétérinaires, Service de Parasitologie, Dakar - Hann 2057, BP, Sénégal;Institut National de la Recherche Agronomique (INRA), Unité Mixte de Recherche 1309 ‘Contrôle des Maladies Animales Exotiques et Emergentes’, Montpellier 34398, France;Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD), Unité Mixte de Recherche ‘Interactions hôtes-vecteurs-parasites-environnement dans les maladies tropicales négligées dues aux trypanosomatides’, Montpellier 34398, France;Université Polytechnique de Bobo-Dioulasso, Houet 1091, BP, Burkina Faso;Centre International de Recherche-développement sur l’Élevage en Zone Subhumide, Bobo-Dioulasso 01 BP 454, Burkina Faso;Direction des Services Vétérinaires, 37, avenue Pasteur, Dakar BP 67, Sénégal;Insect Pest Control Laboratory, Joint FAO/IAEA Programme of Nuclear Techniques in Food and Agriculture, Wagramer-strasse 5, Vienna A-1400, Austria

关键词: Glossinidae;    Diptera;    Mass-rearing;    Pupae transport;    Low temperatures;    Pupae development;    Sterile insect technique;    Area-wide integrated pest management;   

Others  :  1204106
DOI  :  10.1186/s13071-015-0869-3

 received in 2015-03-18, accepted in 2015-04-21,  发布年份 2015

【 摘 要 】

Background

The application of the sterile insect technique (SIT) requires mass-production of sterile males of good biological quality. The size of the project area will in most cases determine whether it is more cost effective to produce the sterile flies locally (and invest in a mass-rearing facility) or import the sterile flies from a mass-rearing facility that is located in another country. This study aimed at assessing the effect of long distance transport of sterile male Glossina palpalis gambiensis pupae on adult male fly yield.

Methods

The male pupae were produced at the Centre International de Recherche-Développement sur l’Elevage en zone Subhumide (CIRDES), Bobo-Dioulasso, Burkina Faso, and shipped with a commercial courier service in insulated transport boxes at a temperature of ±10°C to Senegal (±36 h of transport). Upon arrival in the insectary in Dakar, the pupae were transferred to an emergence room and the flies monitored for 3–6 days.

Results

The results showed that the used system of isothermal boxes that contained phase change material packs (S8) managed to keep the temperature at around 10°C which prevented male fly emergence during transport. The emergence rate was significantly higher for pupae from batch 2 (chilled at 4°C for one day in the source insectary before transport) than those from batch 1 (chilled at 4°C for two days in the source insectary before transport) i.e. an average (±sd) of 76.1 ± 13.2% and 72.2 ± 14.3%, respectively with a small proportion emerging during transport (0.7 ± 1.7% and 0.9 ± 2.9%, respectively). Among the emerged flies, the percentage with deformed (not fully expanded) wings was significantly higher for flies from batch 1 (12.0 ± 6.3%) than from batch 2 (10.7 ± 7.5%). The amount of sterile males available for release as a proportion of the total pupae shipped was 65.8 ± 13.3% and 61.7 ± 14.7% for batch 1 and 2 pupae, respectively.

Conclusions

The results also showed that the temperature inside the parcel must be controlled around 10°C with a maximal deviation of 3°C to maximize the male yield.

【 授权许可】

   
2015 Pagabeleguem et al.; licensee BioMed Central.

【 图 表 】

Figure 1.

Figure 2.

Figure 3.

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