Results 51 to 60 of about 2,996 (146)
Depuis le début des années 1990, les systèmes d’élevage porcin au Vietnam ont évolué vers des systèmes plus intensifs qui sont depuis les années 2010 en cours d’industrialisation.
Jean-Daniel Cesaro +2 more
doaj +1 more source
Based on 94 Massasauga litters born in human care, mean litter size and number of live young per litter were higher in wild‐bred than in zoo‐bred litters. Wild‐bred litters more often contained live young than did zoo‐bred litters. In zoo‐bred litters, dam mass was positively associated with above‐average reproductive output.
Jonathan D. Choquette +5 more
wiley +1 more source
Quel élevage pour une agriculture biologique performante ?
Les activités d’élevage sont fortement questionnées pour leurs impacts négatifs sur l’environnement, en particulier le changement climatique, et vis-à-vis de la compétition pour l’utilisation des surfaces agricoles.
Marc BENOIT +2 more
doaj +1 more source
Milk Collection and Distribution Networks in African Sudano-Sahelian Cities
In secondary African Sudano-Sahelian cities, proximity to rural areas still allows milk collection from producers in periurban zones and its distribution to urban consumers. Many actors transport and trade small quantities.
C. Corniaux +4 more
doaj +1 more source
Economic Footprint of Alberta's Irrigation Districts: An Economic Impact Analysis
ABSTRACT Irrigation development can be an effective economic force for agricultural production, regional development and urban and rural community development. This study estimated the societal economic footprint of the Irrigation Districts on the economy in Alberta, Canada, via a variety of economic impact analysis models.
Surendra N. Kulshreshtha +2 more
wiley +1 more source
The herd, a source of flexibility for livestock farming systems faced with uncertainties?
‘Adapt to endure’ has become a necessity in agriculture, but the means to do so remain largely undefined. The aim of this literature review is to analyse how the herd contributes to a livestock farming system's capacity to adapt to a changing world and ...
M.O. Nozières, C.H. Moulin, B. Dedieu
doaj +1 more source
Improvement of colony management in insect mass‐rearing for sterile insect technique applications
Abstract Sterile Insect Technique (SIT) applications against major insect pests and disease vectors rely on the cost‐effective production of high‐quality sterile males. This largely depends on the optimal management of target pest colonies by maximizing the benefits provided by a genetically rich and pathogen‐free mother colony, the presence of ...
Adly M.M. Abd‐Alla +16 more
wiley +1 more source
Dossier : Réforme de la PAC et adaptations possibles des systèmes d’élevage
Ce dossier comprend quatre textes : - Les enjeux de la réforme de la politique agricole dans le secteur de la viande bovine, par E. Boutitie. - Effets de la réforme de la PAC sur les régions d’élevage, par Y. Léon et M. Quinqu.
E. BOUTITIE +6 more
doaj +1 more source
ABSTRACT As part of an ongoing study aimed at evaluating the contribution of green turtle hatchlings to the diet of predatory fishes in the Bijagós Archipelago, Guinea‐Bissau, West Africa, several fish individuals were captured. Three of them were assigned to the genus Lutjanus Bloch, in 1790.
Ana M. Pereira +6 more
wiley +1 more source
Variability of colostrum yield and colostrum intake in pigs
Colostrum yield and composition of 40 Landrace×Large White sows were determined from the onset of parturition until 24 h post partum. Colostrum yield was calculated by adding individual piglets’ colostrum intakes for each litter.
N. Devillers +3 more
doaj +1 more source

