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<blockquote data-quote="Breeder of queens Koss" data-source="post: 13766" data-attributes="member: 449"><p>John B, the deformed wing virus appeared with the arrival of the Varroa mite in NZ. It is the source of this virus. As far as I know, the Carnica sperm was imported with the help of a German institute. I do not think that they are working there amateurs. Colonies that are used as paternal lines must be healthy. When a colony is affected by the Varroa mite, the amount of drone sperm decreases sharply. It will be very difficult to collect a whole capillary of sperm from such a colony. I do not exclude the option you mentioned, but if we assume that the mite that got to NZ was virus-free, then the second option seems fantastic.</p><p>I would add some clarification. UNCONTROLLED crossing gives unpredictable results.</p><p>Buckfast was created by Brother Adam from various bee populations using controlled mating, taking the desired characteristics from them. He assessed the bees according to twenty different characteristics. Bees were selected only for economically useful traits. There was no selection by color, tergite width and proboscis length, cubital index, etc. This is a completely different approach to beekeeping and breeding work. I am not sure that Carnica was able to spoil New Zealand beekeeping so much. All NZ breeders used Carnica in their work, that its genetics were reflected in most colonies? I will give a clear example using dogs, so that it is more understandable. For example, you brought a German Shepherd (Carnica), and let it out for a walk on the street, where your neighbors also have dogs - black, white, spotted, shaggy, etc. Ordinary local mongrel dogs (Local drone background). After crossing, puppies appeared. And when they grew up and also began to crossbreed uncontrollably, then after 7-8 generations only the ears will probably remain from our shepherd. This is a very simplified example, but it shows that the small amount of Carnica genetics will be absorbed by the bulk of your native bees' genetics.</p></blockquote><p></p>
[QUOTE="Breeder of queens Koss, post: 13766, member: 449"] John B, the deformed wing virus appeared with the arrival of the Varroa mite in NZ. It is the source of this virus. As far as I know, the Carnica sperm was imported with the help of a German institute. I do not think that they are working there amateurs. Colonies that are used as paternal lines must be healthy. When a colony is affected by the Varroa mite, the amount of drone sperm decreases sharply. It will be very difficult to collect a whole capillary of sperm from such a colony. I do not exclude the option you mentioned, but if we assume that the mite that got to NZ was virus-free, then the second option seems fantastic. I would add some clarification. UNCONTROLLED crossing gives unpredictable results. Buckfast was created by Brother Adam from various bee populations using controlled mating, taking the desired characteristics from them. He assessed the bees according to twenty different characteristics. Bees were selected only for economically useful traits. There was no selection by color, tergite width and proboscis length, cubital index, etc. This is a completely different approach to beekeeping and breeding work. I am not sure that Carnica was able to spoil New Zealand beekeeping so much. All NZ breeders used Carnica in their work, that its genetics were reflected in most colonies? I will give a clear example using dogs, so that it is more understandable. For example, you brought a German Shepherd (Carnica), and let it out for a walk on the street, where your neighbors also have dogs - black, white, spotted, shaggy, etc. Ordinary local mongrel dogs (Local drone background). After crossing, puppies appeared. And when they grew up and also began to crossbreed uncontrollably, then after 7-8 generations only the ears will probably remain from our shepherd. This is a very simplified example, but it shows that the small amount of Carnica genetics will be absorbed by the bulk of your native bees' genetics. [/QUOTE]
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