Results 31 to 40 of about 987 (181)
Variation saisonnière des paramètres abiotiques de la lagune Aghien (Côte d’Ivoire)
Objectifs: Les autorités dans la quête d’une source d’eau complémentaire pour alimenter en eau potable la population d’Abidjan (Côte d’Ivoire) sans cesse croissante ont envisagé exploiter la lagune Aghien.
Konan, Félix Koffi +4 more
core +1 more source
Epidemiology and Clinicopathologic Manifestations of Newcastle Disease in Nigerian Local Chickens
A retrospective study of Newcastle disease (ND) in local chickens diagnosed in the Avian Ambulatory Unit of the Veterinary Teaching Hospital, Ahmadu Bello University, Zaria, Nigeria, from January 1978 to December 1997 was conducted.
T. K. Manchang, P. A. Abdu, L. Saidu
doaj +1 more source
Abstract Mountain social–ecological systems encompass steep ecological gradients and diverse cultural practices, yet the relative roles of these factors in shaping mountain landscapes remain underexplored. In particular, the knowledge and practices of women in coproducing biocultural landscapes are often invisible in the academic literature. In the Ait
Meryem Aakairi +6 more
wiley +1 more source
Les lieux et les caractéristiques de repos de Glossina fusca congolensis Newst. et Evans semblent, dans les conditions de la station de recherches de Bewiti, en République Centrafricaine, être les suivants : Pas de préférence nette si ce n'est une ...
Pierre Yvoré +2 more
doaj +1 more source
This study models real‐life UVB and UVA exposure across latitudes and seasons using an extended Diffey framework with behavioural corrections. Findings reveal predictable dose patterns and support pragmatic SPF and UVA‐PF caps, offering a quantitative basis for realistic photoprotection and regulatory discussion.
Marc Pissavini
wiley +1 more source
Camel herd health and productivity in Eastern Ethiopia selected semi-nomadic households
This study was conducted on camels kept under pastoral management conditions from October 1997 to September 1998. Trypanosomosis was one of the most important diseases identified with a maximum prevalence of 20.6% and minimum of 5.4% for the sampled ...
M. Zeleke, T. Bekele
doaj +1 more source
Problèmes de l'approvisionnement en viande de l'Afrique tropicale et équatoriale francophone
cf. fichier PDF de l'article.
J. Rozier
doaj +1 more source
ABSTRACT While watermelon is an important commodity in the United States and worldwide, some of the fundamental watermelon productivity indices (crop evapotranspiration [ETc], transpiration [Tr], evaporation [E], ET‐yield production functions [ETYPF], basal crop coefficients [Kcb], crop water productivity [CWP], soil‐water extraction [SWE]) have not ...
Suat Irmak
wiley +1 more source
Trypanosomose chez des moutons et des chèves aprés abattage à l'abattoir de Jos, Nigeria
Trypanosomose chez des moutons et des chèvres après abattage à l'abattoir de Jos, Nigeria La prévalence de la trypanosomose chez le mouton Yankasa et la chèvre Red Sokoto (chèvre de Maradi) a été étudiée par des tests sanguins à l'abattoir de Jos, au ...
A.J. Dadah +3 more
doaj +1 more source
ABSTRACT Food security in Kerala depends on effective irrigation, but poor‐quality irrigation water poses threats such as salinity, sodicity and reduced soil productivity. Although past assessments have been localised, this study presents the first comprehensive, statewide evaluation of irrigation water suitability across 44 major rivers in Kerala.
Raji Karuna +2 more
wiley +1 more source

