Descubre y comparte nuestro conocimiento público

Se han encontrado 272 recursos

Resultados de búsqueda

Assesses reproductive performance, body weight & live weight, pre-weaning growth, and viability of progeny sired by various unrelated breeds which are representative of the Sanga X Sanga, Sanga X Zebu, Bos taurus X Sanga, Bos taurus X Zebu, and Bos taurus X Bos taurus crossbred groups. Measures t...


Tawonezvi, H.P.R.Ward, H.K.Trail, J.C.M.Light, D.E.[Evaluation of beef breeds for rangeland weaner production in Zimbabwe. 2. Productivity of crossbred cows and heterosis estimates]Evaluation of beef breeds for rangeland weaner production in Zimbabwe. 2. Productivity of crossbred cows and heterosis estimates
Tawonezvi, H.P.R.Ward, H.K.Trail, J.C.M.Light, D.E.[Evaluation of beef breeds for rangeland weaner production in Zimbabwe. 1. Productivity of purebred cows]Evaluation of beef breeds for rangeland weaner production in Zimbabwe. 1. Productivity of purebred cows

Sustainable development of pastoral and agro-pastoral systems, dominated by collective and/or tribal ownership of rangelands, is a key issue for the West Asia and North Africa region. These two systems are located in arid and semi-arid areas and are increasingly threatened by desertification proc...


Nefzaoui AElmourid MLouhaichi, Mounir[The Tribe - Platform of participatory local development and management of communal rangeland resources]The Tribe - Platform of participatory local development and management of communal rangeland resources

Simplified description of total annual rainfall, monthly rainfall, annual variations & spatial distribution in the Southern, North-Eastern & Jijiga rangeland development units where livestock development efforts are under way. Measures risks associated with dif. forms of livestock production & as...


Bille, Jean-Claude[The climatic risks to livestock production in the Ethiopian rangelands (southern, north-eastern and Jijiga Rangeland Development Units)]The climatic risks to livestock production in the Ethiopian rangelands (southern, north-eastern and Jijiga Rangeland Development Units)

Presents rainfall data for selected sites in the Ethiopian rangelands, SORDU, NERDU & JIRDU examining its seasonal, monthly or annual distribution & variation.


Bille, Jean-ClaudeHaile-Selassie, A.[Rainfall patterns and probabilities in the Ethiopian rangelands]Rainfall patterns and probabilities in the Ethiopian rangelands

In April of 2010, Drs. Mario Herrero and Philip Thornton of the International Livestock Research Institute contracted with Drs. Boone and Conant to create a global rangeland model of moderate complexity. Boone was funded for a 50 day effort, and Conant for ca. 40 days. An opportunity to prepare a...


Boone, Randall B.Conant, Richard T.Hilinski TE[G-Range: development and use of a beta global rangeland model]G-Range: development and use of a beta global rangeland model

Discusses the methodology for ecological monitoring. Reviews the principles for the establishment of a monitoring network. Discusses the application to the Kenyan situation. Presents results of the establishment of monitored sites on two ranches in Taita district. Includes a bibliography on envir...


Bille, Jean-ClaudeHeemstra, H.H.[Development of a methodology for the ecological monitoring of range trends in Kenya]Development of a methodology for the ecological monitoring of range trends in Kenya
Autor: Corra, M.

Description et quantification de l'etat des parcours extensifs du Sidamo en Ethiopie, avec accent partic. sur les parametres de definition de la formation vegetale, ainsi que sur les parametres ecologiques du milieu.


Corra, M.[Resultats de travaux de terrain sur la vegetation, la flore et l'ecologie des paturages extensifs du Sidamo (S.O.R.D.U.)]Resultats de travaux de terrain sur la vegetation, la flore et l'ecologie des paturages extensifs du Sidamo (S.O.R.D.U.)

Comments on some of the issues raised in Mali research memo entitled "Notes on milk production in some West African pastoral systems", viz. changes in milk offtake/total milk production ratio during lactation and its effects on calf growth, lactation length and milk composition. Discusses effects...


Nicholson, M.J.[Part I. Comments on Mali Research Memo no. 3. Part 2. Watering strategies in arid areas: Physiological and ecological implications]Part I. Comments on Mali Research Memo no. 3. Part 2. Watering strategies in arid areas: Physiological and ecological implications

Presents results of measurements of plant cover under & around acacia & Balanites trees to assess if acacias are beneficial to the productivity of rangelands with their ability to fix nitrogen.


Bille, Jean-ClaudeCorra, M.[Research report: Influence of acacia trees]Research report: Influence of acacia trees

Selecciona los documentos para visualizarlos

Nombre del archivo Ver recurso