AGRICULTURE 
638.145 
3 
2 
22 
222 
223 
224 
23 
24 
25 
5 
32 
7 
148 
I5 
151 
152 
d 
=o 2 
5 
i 
R 
Ig 
i 
id 
30 
Bee stock control 
Crossing hive-stocks 
Italianizing 
Queen rearing 
Mating queens. Shipping queens 
Introducing queen into hive 
Increase of colonies Propagation aids 
Swarming control 
Natural swarming control 
Primary swarm 
Secondary swarm 
Swarm hiving Swarm catchers 
Artificial swarming control 
Queen clipping 
Prevention of swarming 
Nonswarming hives 
Artificial increase of colonies 
Combining hives 
Treating weak hives. Nuclei 
Other hive manipulations 
Pillage by bees: prevention 
Harvesting 
Comb-honey removal 
Hindrances and protection 
General questions 
Diseases and other injuries 
Clas a special remedy with the special disease 
General questions 
Legislation; state inspection and control 
Adult diseases 
Of respiratory sistem 
Isle of Wight disease, acorine disease 
Of digestiv sistem 
Dysentery, May pest, nosema disease, bee paralisis or disappearing 
disease 
Brood diseases 
Ultramicroscopic 
Virus, sac brood 
Bacterial diseases Foul brood 
Fungi and mold diseases 
Chalk brood, stone brood 
Chilled brood 
Plant enemies 
Trapping plants: milkweed. Poisoning plants 
Animal enemies 
Divide like 590 but clas injurious insects in 638.157 insted of 638.15657 
Insect enemies 
Divide like 505.7 
Other injuries 
Poisoning 
By agricultural sprays 
Means of protection 
General works. Clas remedy. for a special ill with corresponding number