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Population density dynamics of Pachymelania byronensis (Wood, 1828) (Gastropoda: Thiaridae) in the Cross River, Nigeria

King, R. P. and Akpan, B. E.

The ecology of an exploited population of the commercially important molluscan species, Pachymelania byronensis (Wood, 1828) was studied (January-December, 2018) in the lower Cross River, Nigeria, using density [number per hectare (N. ha<.../>

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Prevalence and associated risk factors of malaria infection among pregnant women attending antenatal clinic in Yola North, Adamawa State, Nigeria

Enock, N.,* Pukuma, S. M., Augustine, L. M., Gundiri, L. B., Zamdayu, N. M. and Daniel, J. L.

This study determined the prevalence and associated risk factors of malaria infection among pregnant women attending antenatal clinic in Yola North, Adamawa State, Nigeria, between December 2017 and April 2018. Both direct microscopy and rapid dia...

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Parasitofauna of ground-dwelling anurans from cocoa plantations in Ugboke, Edo State, Nigeria

Edo-Taiwo, O. and Aisien, M. S. O.*

The parasitofauna of ground-dwelling anurans from pesticide-treated cocoa plantations (CP) in Ojo Camp, Ugboke, Edo State of Nigeria were investigated and compared with those recovered from host specimens collected from the village settlement (VS)...

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Distribution of tsetse flies and its Trypanosoma species infection in Old Oyo National Park, Nigeria

Omonona, A. O., Abioye, S. A., Odeniran, P. O. and Ademola, I. O.

Tsetse fly infestation in national parks is a major health risk to both the wildlife and tourists coming to sub-Saharan Africa. However, information on distribution and diversity of tsetse flies and trypanosome infection rate in Protected Areas li...

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Cestode infections of two clariid and two claroteid catfish species in River Galma, Zaria, Nigeria

Ibrahim, Z. A., Aken’Ova, T. and Luka, S. A.

Four catfish (Siluriformes) species comprising two clariids, Heterobranchus bidorsalis (65) and Heterobranchus longifilis (15) and two claroteids, Auchenoglanis occidentalis (31) and Chrysichthys auratus (19) fr...

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Abundance and nesting sites characteristics of red-headed picathartes Picathartes oreas in Cross River State, Nigeria

Abatcha, M. and Odewumi, O. S.

This study assessed the abundance and nesting sites characteristics of red-headed picathartes (Picathartes oreas) in protected and unprotected forest in Cross River State, from August 2016 to January 2017. Data were collected through oral...

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The diversity and distribution of dragonflies and damselflies (Odonata) in University of Lagos, Akoka, Lagos, south-west Nigeria

Kemabonta, K. A.,* Adu, B. W., Nwabueze, O. F., Ogbogu, S. S. and Ohadiwe, A.

The presence of dragonflies and damselflies may be taken as an indication of good ecosystem quality. The greatest numbers of species are found at sites that offer a wide variety of microhabitats. A survey of Odonata fa...

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Anopheles gambiae s.l. insecticide susceptibility status in Umudike, Ikwuano LGA, Abia State, Nigeria

Ekedo, C. M. and Ukpai, O. M.

This study was conducted in order to determine the insecticide susceptibility status of Anopheles gambiae in Umudike, Abia State, Nigeria. Larval and pupal stages of An. gambiae mosquitoes were collec...

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Parasitic endohelminths of tree frogs from two rainforest habitats in Edo State, Nigeria

Imasuen, A. A., * Ojo, O. O., Adesina, O. O., Enabuele, E. E. and Aisien, M. S. O.

Tree frogs are generally regarded as arboreal frogs and those associated with water during their breeding season as aquatic/arboreal frogs. Obazuwa Wetlands and Ikpako Riparian Habitat are both located in Ovia North Ea...

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Effects of bottom-up and top-down interactions on the productivity of Iyieke Lake, Afikpo North, Ebonyi State, south-east Nigeria

Nwonumara, G. N. and Idumah, O. O.

The bottom-up and top-down interactions of the abiotic and biotic components of Iyieke Lake were studied for eleven months covering a pre-flood, flood and post-flood periods. During the study, some water quality parame...

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Resistance levels of selected rice genotypes to Sitophilus oryzae L. and Rhyzopertha dominica F. infestations

Ajao, S. K., Popoola, K. O., * Mande, S. and Togola, A.

The need to screen new rice genotypes for resistance to stored product insect pests is important to boost production and availability of rice for food security. Therefore, thirteen rice genotypes and varieties included...

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Length-weight relationship and relative condition factor of Gorean snapper, Lutjanus goreensis (Valenciennes, 1830) in the coastal zone of Lagos, south-west Nigeria

Fakoya, K. A. Anetekhai, M. A. and Saba, A. O.

Snappers are highly recommended as choice seafood and as viable candidate for cage culture in the brackish water and marine environments. However, very limited data exists on biological parameters of the snappers, ...

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Histological, microbiological, physicochemical and heavy metals evaluation of effluent from Kara Cow Market, Ogun State, Nigeria in guppy fish (Poecilia reticulata)

Sogbanmu, T. O., * Sosanwo, A. A. and Ugwumba, A. A. A.

The Ogun River is a sink for untreated effluents discharged from the Kara Cow Market, Ogun State. In this study, microbiological, physicochemical and heavy metals evaluation were carried out on effluent from the market...

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Anthropogenic impacts on the composition and population density of migratory and resident birds of selected wetlands sectors in northern Nigeria

Edegbene, A. O.

In recent times, there has been decrease in the number of migratory and resident birds in Hadejia-Nguru Wetlands in Nigeria. This, no doubt, is a subject of concern to conservationist and the country at large. The effe...

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Comparison of cranial and body morphology of tree squirrels (Helioscurius rufobranchium) in selected locations of rainforest in Nigeria

Bamidele, A. O. and Akinpelu, A. I.

This study examined the differences in cranial morphology of tree squirrel species (Heliosciurus rufobranchium) from four different locations in rainforest part of Nigeria. Locally fabricated live traps made o...

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TRENDS OF HUMAN SEX RATIO AT BIRTH AND TWINNING RATE IN IBADAN, SOUTH-WESTERN NIGERIA

BAKARE, A. A., ELEGBEDE, E.O. and OSOWOLE, O.I.

The human sex ratio at birth (SRB) and frequency of twinning are demographic parameters that vary among populations. Aretrospective study was carried out to investigate the trend of SRB, as well as twinning rate in Ibadan, Nigeria. Data on sexeso...

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SPECIES DIVERSITY, DISTRIBUTION AND PREDILECTION SITES OF TICKS (ACARINA: IXODIDAE) ON TRADE CATTLE AT ENUGU AND ANAMBRA STATES, SOUTH-EASTERN NIGERIA

IKPEZE, O.O., ENEANYA, C.I., CHINWEOKE, O.J., ARIBODOR, D.N. and ANYASODOR, A.E.

Species diversity, distribution and predilection sites of ticks introduced from north-eastern Nigeria into Enugu, Ugwuoba, andAmansea Cattle Markets in south-eastern Nigeria were determined between March 2007 and April 2008. Amblyomma variegatum...

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SOME ASPECTS OF THE BIOLOGY OF BANDED JEWEL FISH, Hemichromis Fasciatus (PETERS, 1857) IN RIVER OROGODO, DELTA STATE, NIGERIA

MEYE, J.A. and IKOMI, R.B.

The cichlid, Hemichromis fasciatus (Peters, 1857) commonly called banded jewel fish is an ornamental fish which occurs invarious freshwater bodies in Africa. Some aspects of the ecology of this fish species was investigated in River Orogodo, Delta...

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PATTERNS OF TREMATODE INFECTION IN GALL BLADDER FROM CATTLE SLAUGHTERED AT ISHERI-OLOFIN, OGUN STATE, NIGERIA

HASSAN, A.A. and ANWO, O.O.

A survey of gall-bladder of slaughtered cattle was carried out to determine variation pattern of trematode infection. A total of1,240 gall-bladders of cattle were examined for trematode eggs and adult worms between August 2008 and March 2009. Fif...

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EFFECT OF TEXTILE FACTORY EFFLUENT ON OTOLITH AND SOMATIC GROWTH PARAMETERS IN Clarias gariepinus

ADEOGUN, A.O. and CHUKWUKA, A.V.

Are otolith parameters more sensitive than somatic indices in detecting stress conditions in fish? This question was investi-gated using juvenile-sized Clarias gariepinus in a 30-day exposure bioassay to a textile factory effluent. A series of stat...

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