abstract the objectives of this study were to identify the strengths (s), weaknesses (w), opportunities (o) and threats (t) in producing milk in the province of sistan and baluchestan . furthermore, the study attempted at developing strategies towards effective management of in the milk production. under the current situation, the study data was collected using questionnaires responded by three...

Genetic relationships between yield and type traits were investigated using multiple-trait REML procedures with an animal model. Computing strategies were developed to deal with large populations and numbers of traits. Data consisted of records for 3 production and 15 type traits for 20,836 primiparous cows from 1982 to 1988. The model included 2358 herd management effects, 28,749 animal effect...

Data processing in geodetic applications often relies on the least-squares method, for which one needs a proper stochastic model of the observables. Such a realistic covariance matrix allows one first to obtain the best (minimum variance) linear unbiased estimator of the unknown parameters; second, to determine a realistic precision description of the unknowns; and, third, along with the distri...