989 resultados para Livestock breeders.
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Newsletter about controlling animal diseases, tips and techniques on how prevention works and the transportation of livestock.
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Newsletter about controlling animal diseases, tips and techniques on how prevention works and the transportation of livestock.
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Newsletter about controlling animal diseases, tips and techniques on how prevention works and the transportation of livestock.
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The imported swine court report monthly by the Department of Agricultural.
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The imported swine court report monthly by the Department of Agricultural.
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Temporal variability was studied in the common sea urchin Paracentrotus lividus through the analysis of the genetic composition of three yearly cohorts sampled over two consecutive springs in a locality in northwestern Mediterranean. Individuals were aged using growth ring patterns observed in tests and samples were genotyped for five microsatellite loci. No reduction of genetic diversity was observed relative to a sample of the adult population from the same location or within cohorts across years. FST and amova results indicated that the differentiation between cohorts is rather shallow and not significant, as most variability is found within cohorts and within individuals. This mild differentiation translated into estimates of effective population size of 90100 individuals. When the observed excess of homozygotes was taken into account, the estimate of the average number of breeders increased to c. 300 individuals. Given our restricted sampling area and the known small-scale heterogeneity in recruitment in this species, our results suggest that at stretches of a few kilometres of shoreline, large numbers of progenitors are likely to contribute to the larval pool at each reproduction event. Intercohort variation in our samples is six times smaller than spatial variation between adults of four localities in the western Mediterranean. Our results indicate that, notwithstanding the stochastic events that take place during the long planktonic phase and during the settlement and recruitment processes, reproductive success in this species is high enough to produce cohorts genetically diverse and with little differentiation between them. Further research is needed before the link between genetic structure and underlying physical and biological processes can be well established.
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The imported swine court report monthly by the Department of Agricultural.
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The imported swine court report monthly by the Department of Agricultural.
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The imported swine court report monthly by the Department of Agricultural.
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The Rebuild Iowa Agriculture and Environment Task Force respectfully submits its report to the Rebuild Iowa Advisory Commission (RIAC) for consideration of the impacts of the tornadoes, storms, high winds, and flooding affecting Iowa’s agriculture sector and environment. The Task Force was required to address very complex and multi-faceted issues. Understanding that there were a broad range of immediate concerns, as well as critical issues that need to be addressed in the future, the Task Force structured its work in two sessions. To better address the issues and priorities of the Task Force, this report categorizes the issues as agriculture, conservation, environment, and livestock.
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The imported swine court report monthly by the Department of Agricultural.
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The Imported Cattle report monthly by the Department of Agricultural.
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The imported swine court report monthly by the Department of Agricultural.
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The Imported Cattle report monthly by the Department of Agricultural.
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The imported swine court report monthly by the Department of Agricultural.
