Reports the 1984 achievments and the 1985 workprogramme of the Range Science Unit (ILCA) in Niger.
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Reports the 1984 achievments and the 1985 workprogramme of the Range Science Unit (ILCA) in Niger.
Summarises the critical steps for designing a comprehensive breeding system. Breed (genotype) comparison and utilization are discussed with ref. to breeding policy, environment and management systems, genetic parameters, purebreds, F1 crosses, rotational crossing, and F2 and F3 generations of bre...
Genetic improvement for productive traits in livestock, particularly in cattle, has been very slow and insignificant in the country. One of the main reasons for this is lack of well-organized and usable recorded information on the performance of both the indigenous and crossbreds with exotic geno...
This Report provides an overview of empirical methods that are frequently used for the analysis of spatial patterns of LUCC based on a survey of recent literature. Because these methods are relevant for wider analysis of system change beyond LUCC (Land Use and Land Cover Change), some examples of...
Presents ILCA's on-farm alley farming research activities in the humid zone of Nigeria. Discusses the problems in data collection and analysis, soil variability, management variability, problems of labour estimation, land clearing & preparation, planting & management, tree prunning & utilization ...
The paper gives an example of the use of survival analysis to examine time to conception for a breed by nutrition factorial experiment and the relationship between time to conception and body weight. The example is made complicated by confounding between the treatments and the weight of animals a...
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