Population dynamics of cattle ectoparasites in Western Amhara National Regional State, EthiopiaNigatu KebedeTeshome Fetene
Since its introduction in Australia, and despite decades of movement control, the cattle tick, Rhipicephalus ( Boophilus) microplus, has spread widely in suitable habitat in the Northern Territory and the state of Queensland (QLD). On the east coast, its southerly distribution is limited by a ...
Cattle are raised in all countries. The cattle population of the world at the end of 1970 was 1.141 billion. A large number of breeds that are adapted to various climatic zones have been developed. REFERENCES Kolesnik, N. N.Evoliutsiia krupnogo rogatogo skota. [Dushanbe] 1949. ...
Sex-sorting of mammalian spermatozoa has applications for genetic improvement of farm animals, in humans for the control of sex-linked disease, and in wildlife as a captive management strategy and for the re-population of endangered spec... WMC Maxwell,G Evans,FK Hollinshead,... - 《Animal ...
population. For instance, Karimet al.12estimated that Jersey cattle carryQat a frequency of ~5%, a much lower frequency than 35.9% observed for the GGGTTC haplotype here. Indeed, the authors also reported that theqchromosome of one out of fourQqsires in their data shared an identical-by-...
Beef and dairy cattle breeding: development trends of small agribusiness in conditions of state support Current development trends of the global and national economies require a search for effective approaches to expand participation of small agribusiness entities in providing population with domestic livesto...
a large livestock population and herd size contribute to tick infestation, as ticks can easily obtain access to hosts and complete their life cycle to continue rapidly, and poor veterinary service and less attention are given to cattle management practices employed by herders, which might also pave...
The NAHMS Dairy '96 Study was designed to provide both participants and the industry with information on the nation's dairy animal population for education... SL Ott - United States Department of Agriculture, National Animal Health Monitoring System 被引量: 43发表: 1996年 Herd-level prevalence ...
Additionally, it was difficult to define a universal threshold between homo or heterozygous deletions for all deletions, therefore, we decided to categorize all deletion events using one state: homozygous deletion. To use population genetic programs originally developed for SNPs, we manually recoded ...
Most respondents in each population kept sheep, and very few kept cattle (Table 1); other species were kept by the majority in each population (Table 2), but there was strong evidence that crofters were more likely than smallholders to report no additional species besides sheep/cattle (p < ...