A hive can very easily be weighed if a Salter's spring balance be suspended near the apiary. The hive, having a strap or cord passed under and over it, crossing at right angles on the top, may be hooked on to the balance, so that the weight will be indicated on the dial. The annexed illustration represents a tripod stand, with a weighing-machine of the above-named construction, to which a hive with a super is attached. Such an arrangement will be found convenient for those bee-keepers who may not possess suitable sheds in their gardens where a hive could be thus suspended from a beam. To prevent the hive being swayed to and fro by the wind, three cords (gear ropes) might be attached therefrom to the three legs of the stand. The height of such a stand need not exceed four feet.
This contrivance is both portable and simple, and can be used from time to time; or, if the apiarian desires to have the hive constantly suspended, a water-proof covering might easily be made to drop over, and adapted so as to admit of being raised occasionally for ascertaining the weight shown on the dial. Much interest might be derived by watching the daily or hourly increasing store brought into a hive during the gathering season. Mr. George Fox, of Kingsbridge, and Mr. S. Bevan Fox, of Exeter, have for some years each kept one stock attached to a "Salter's Circular Spring Balance," suspended from a beam under a shed, and, from experience, found that from a hive so balanced a criterion may be formed of what other hives in the apiary are doing through the day.
Some interesting observations have been made upon this point. Baron von Berlepsch has had stocks which brought in twelve pounds of honey in a day; Kader in Mentz had days when one stock brought twenty-one pounds; Pastor Stein in Mentz had days when one stock brought twenty-eight pounds. The sap which a bee's honey-bag holds weighs but a grain, so that the bees, in this last case, must have made in one day over 160,000 journeys.
Many ingenious contrivances will, no doubt, suggest themselves for the observation of hives in this manner. For instance, instead of the cord being tied round the hive, three or four strong irons, with a screw at one end and a ring at the other (known by ironmongers as "eyes"), could be screwed into the floor-boards, to which the attachments might be made fast. It will scarcely be necessary to hint that great care is necessary that full provision should be made securely to support the increasing weight; a fall would be most ruinous, and terribly enrage the bees.
The weight of the hive should be marked on it when empty, so that the exact amount of its contents may at any time be ascertained. Experienced apiarians are able to judge of the weight of a hive by lifting it a few inches from the stand; or by looking in at the window of a stock hive a conclusive opinion may be formed as to the state of the colony. If the combs within view be well filled and sealed, it will be safe to consider that the hive contains sufficient stores to carry the bees through the winter.
The bee-keeper, after the honey harvest, should ascertain the state of the stock hive, because it sometimes happens that hives which were very strong and productive during summer have been left poorly off for the winter. The bees, no doubt under the impression that those nicely filled supers would prove to them an ample sustenance, have given up the whole stock hive to the queen for breeding. If this be not looked after and rectified the colony will starve off; or possibly on some mild day in winter—even before all is exhausted—they will decamp as if for a swarm.
The apiarian must therefore ascertain the state of the stock hive at Michaelmas by means of a weighing machine. The weight, exclusive of the hive, ought to be from twenty to twenty-four pounds, and if not so, the bees must be fed till that weight is reached. This is done by the feeders above described (page 202), from which they suck the syrup as if honey-gathering, and then store it away, a quart in a day or so. The time of doing this should not be deferred later, as it is important that the food should be placed in the cells and sealed up, and they cannot secrete the wax for this purpose without a warm temperature; if it remained unsealed it would be liable to turn sour and cause disease. Again, at mid-winter and in very cold weather, bees, though they never become torpid like wasps, are in a state of dormant inactivity from which it is better not to arouse them.
On the return of spring it will again be essential to attend to feeding the bees, and this precaution must be exercised till May, when they will be able to take care of themselves. A little food in the spring, even when the store is not all expended, is of value as stimulating the queen to lay more abundantly, for bees are provident and do not rear the young rapidly when supplies are short. In this particular their intelligence is very striking; they have needed no Malthus to teach them that the means of subsistence must regulate the increase of population.
Evans.
Judgment has, however, to be exercised to avoid over-feeding, or else so many cells will be filled with honey that the queen can find none in which to deposit her eggs, and thus the progress of the hive will be seriously interfered with. It may also lead to the formation of drone cells—a thing to be avoided under any circumstances. But if the hive is thoroughly impoverished a more rapid process of feeding becomes necessary, and the honey should be poured between the combs. The bees will lick each other clean after this.
A very good syrup can be made by boiling three pounds of loaf sugar with nearly two pints of water. Sugar-candy and barley-sugar have also been each highly recommended for winter and early spring feeding, when small pieces can easily be pushed in at the top of the stock hive a little at a time. They have the advantage of being unlikely to turn sour or to cause dysentery, as liquid food does when the bees are confined by bad weather.
It is of the most urgent importance that the bees should have water supplied them as soon as laying recommences, which should be early in January; if the weather is such as to prevent their leaving the hive, they must have it given them within. "For preparing the nourishment for the brood," says Dzierzon, "water is to the bees indispensable. Sooner could they dispense for a considerable time with pollen." It is also needful to them for the preparation of wax, and, adds the same writer, "when the egg-laying commences, some amount of wax is usually produced equally soon, the bees requiring it for the covering of the brood cells." For a double reason therefore water must be supplied them; but in their eagerness to obtain it they are often drowned, so that It is well to give it them in shallow vessels containing pebbles for them to alight on. Salt also, says Dr. Bevan, is eagerly partaken of during the early part of the breeding season till the beginning of May, after which they seem wholly indifferent to it.
Such are the instructions for the regular process of feeding, though even this, with good management, should not be needed unless in exceptional circumstances. It has been remarked in the section on "Swarming" that a supply of food is advisable at such occasions also, but this is but an incidental trifle as compared with the other. The task of bringing a hive safely through the winter will undoubtedly dismay some of the inexperienced, and perhaps incline them to a preference for the fire-and-brimstone quieters. But a little attention to directions at the first will soon make the process tolerably simple; while as to the relative profits of the two methods, it must be recollected that the honey left in the stock hive for winter sustenance is not much of it of a saleable quality, and the value of it and of any extra syrup supplied will be far more than made up when in May a swarm comes off, and two colonies are possessed where on the old system there would have been none at all.
The most important of these is the one discussed in the preceding section. There are, however, several other points which it is of consequence for the apiarian to observe.
First of all the hive itself must be suitably protected against climate, and if it be not of a description adapted to preserve warmth, a transfer must be made to one that is. Matting or other fencework may be erected to keep off piercing winds, and hay bands may be wound around the hives. Some hives constructed Of glass are unsuited for winter occupation—even when kept within doors success is difficult and doubtful. They must be well wrapped up and covered in, and yet ventilation be allowed, for unless the moisture can pass off it will condense upon the inside of the glass, thus causing the combs to grow mouldy and directly interfering with the health of the bees. The use of such hives as the unicomb is best restricted to four months in the year, when bees are most active and interesting in their operations. An artificial swarm should be put into such a hive in May or June, and taken out again in September—never later, for there are often cold nights in October, when, the bees and brood being in near contact with the glass, and not being able to cluster as is their natural wont, they suffer greatly from the variations of temperature.
The population of each hive must also be well looked to, and if needful the uniting processes (page 229) must be carried out before the Michaelmas feeding. Hives that are to be so united should be gradually brought near together, if not so already.
The innermost combs, having been the ones most employed for breeding, will now be the ones least occupied with honey. It is therefore advisable to transpose them with fuller ones, in order to keep the bees clustered in the centre. They must not, however, have drone comb thus given them. In order to give them communication through the combs, "the apiarian should," says Langstroth, " late in the fall, cut with a penknife a hole an inch in diameter in the centre of each comb, about one-third from the top." This is for the purpose of allowing the bees in cold weather to move in a body, without going outside the frames, from combs where they have consumed the food to others that have honey within reach.
Ventilation is of great moment, but if the hive allows of its being given at the top, the entrance may then be narrowed so as only just to give free passage to the bees. Holes the size of a pin's head will allow the moisture to escape, and these must be reopened as fast as they are propolised by the bees. The occurrence of a thaw is the time when ventilation is needed in its highest degree. It is a good plan to place a bell glass over the hole in the crown-board of a wooden hive, with a zinc trough round it to receive the condensed moisture. It is also requisite to clean the floor-board, say in February; but in this and other operations the bees should not be disturbed, for if they leave the hive when they are unable to fly properly, as is the case in very cold weather, they are likely to be lost.
What further directions belong to this head will be found in the next chapter under "Diseases" and "Enemies."' Mr. Langstroth has this comprehensive sentence, the italics in which are his own. "If the colonies are strong in numbers and stores, have upward ventilation, easy communication from comb to comb, and water when needed, and the hive entrances are sheltered from piercing winds, they have all the conditions essential to wintering successfully in the open air."