قراءة كتاب The Ranidae: How to breed, feed and raise the edible frog

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The Ranidae: How to breed, feed and raise the edible frog

The Ranidae: How to breed, feed and raise the edible frog

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دار النشر: Project Gutenberg
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fence about 34 inches high. It could be built higher if desired, but this height makes a good appearance. The enemies are rats, cats, turtles, water centipedes, water beetles, coons, leeches and snakes. Snakes are one of the worst enemies, as they will devour the spawn, of which they are very fond, and also the small Frogs.

 

Hatching and Progress of the Young Frogs.

Hatching and progress of the young frogs

Figure 1 represents the embryo as it appears several days after the egg is deposited. Figure 2 gives an outline of its form; the arrows at the side of the head shows the currents of water, which are seen to flow to the branchiæ by the breathing of the young animal. A short period brings it to the form represented in Nos. 3 and 4, the latter representing the head. Figure 5 shows the form of the tadpole when first hatched, which usually takes place about four weeks after the depositing of the egg. Figures 6, 7 and 8 shows various stages of its development; the latter representing the tadpole, called pollywog sometimes; this, for some time, now undergoes little change of form, but increases in size. At length the hinder legs bud, and are gradually developed, as seen in No. 9; the fore legs are ere long produced in a similar manner.

Hatchings. The tail begins now to diminish, as seen in No. 10, and is finally absorbed into the body and disappears. The tadpole (which, for a time, is like a fish and breathing by branchiæ, or gills, and feeding on vegetable food of fishes) is now a frog; breathes the air by true lungs, and betakes itself to the land, where it pursues the avocations of its new and higher life, whereas it before swam by means of a tail it now leaps, and as before, it ate only roots and grass, it now becomes a hunter of insects and worms. This, or a very similar process of reproduction, is common to all species of the family. The Rana Frogs form the highest group of the Batrachian class. They are active creatures, feeding on insects and worms. Those which live upon the ground in the neighborhood of standing water, and pass a considerable portion of their lives in the water, have their toes pointed, and those of the hinder feet united, almost to the tips, by membrane.

 

Food for Tadpoles.

The spawn or egg takes from four to six weeks to hatch to the shape of a tadpole, and the tadpole takes about four or five months to hatch or change its shape from that of a tadpole to a small frog, which is done as stated in previous paragraph. Frogs are very prolific. One bunch of spawn, from large, well developed frogs, and of five years of age or over, will produce or hatch over one thousand tadpoles. But of course all of these will not be raised to become small Frogs. But a great proportion of them can be if properly cared for and you have the proper facilities.

The beak of the tadpole is adapted to the eating of leaves and other vegetable foods, and on which they could entirely subsist. But it is well to give them access to small insect food, much of which they can get from surface of water. The food changes entirely when the tadpole develops into a Frog. When a frog, the food is entirely insect or live food. It is well, sometimes, when you cannot get facilities to supply naturally plenty of insect food, to take some of the smaller Frogs and tadpoles and place them in the ponds with the growing Frogs, and allow the Frogs to live on them. They must be fed live food. Chopped meats and food of this character will do for tadpoles, but must not be used too freely, as they do not eat it readily, and it only decays and a stifling stench follows. If your ponds are connected with a running stream, much of the insect life for the tadpoles and smaller Frogs is brought into the ponds by the stream, which is very desirable, and saves much extra work. Leave the tadpoles in the nursery pond until they have developed into Frogs. The tadpoles are fish in a sense and will eat most anything, either vegetable or animal matter. In fact, he is a scavenger, and will clean out the ponds. But as soon as he turns into a frog, he requires a different class of food, as he is an amphibious animal. Remember this, as herein, is one of the secrets that have caused so many failures. THE FOOD FOR FROGS IS ANIMAL FOOD.

 

Food for Frogs.

ACTION OF FROG'S TONGUE IN CATCHING A FLY
ACTION OF FROG'S TONGUE IN CATCHING A FLY.

Caution, from this time on, animal food only. No chopped meat, as Frogs will not eat it, and it will decay and cause a stench. Do not attempt to feed it to frogs. This is the time that care must be taken to see that your Frogs get plenty of the proper kind of animal food. If they are not kept supplied, they will turn to and eat each other, and in this way destroy many a pound of good Frog meat, that is worth "One Dollar a pound" or more. As the tadpoles hatch out prolifically, it's wise to keep a quantity of these and the Small Frogs on hand to feed the larger ones that are being gotten ready for market. By having a number of small ponds, this stock can be kept on hand for this purpose. A plant that will grow on top of the water furnishes many insects, as well as perching places to basque, in the sun, and catch a passing unsuspecting fly. It also affords a shady place to get under on a hot day, with head above water looking for food. One of the best and easiest ways to furnish live food is to soak a number of potato or feed bags with molasses, and fasten them up around the ponds, just above the ground. This draws the flies, and they will come within reach of the Frogs, and as you will see by the cut at top of this paragraph, the tongue of the Frog is developed to be of service in catching them. Small tadpoles from other species of frogs, that are not eatable, make good food for them. These can be found in large quantities along most any stream, or in any pool of water. Wood lice or sow-bugs are good. In planting vegetable matter in the ponds be sure and always plant from seed, as in transplanting you may bring Leeches into your ponds, which are very destructive to the Frogs, and act on the Frogs the same as chicken lice do on chicken, and in time will kill the Frog, and at all times retard its growth. If your Frogs do not thrive well look for Leeches.

Important. If it is necessary to feed your Frogs on small fry from fishes or on tadpoles and small Frogs, it might be well to have a supply pond, which can be small, and in feeding it is only necessary to feed twice a week, and can be done by putting quantities here and there in the ponds, and let the Frogs catch them as they swim about. Three gillies, tadpole or small Frogs is considered a fair meal for each Frog.

 

Catching the Frogs.

There are several ways by which to catch the Frogs when ready to market. If they are to be dressed they can be speared; this is done with a handle like is found on an ordinary house broom with a fish spear fastened in the end. One of the best times to spear them is at night with a light as they come on the bank at night to catch bugs. They can also be caught very readily with a hand net, same as used in landing trout. This net can be purchased at most any hardware store, or where they keep fishing tackle. If the Frogs are to be marketed alive they must be caught in this way. In shipping them alive always put wet weeds from the pond in bottom of box if they are to go any distance, and put instructions on the box for agent to keep the weeds wet while in transit. This

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