Chapter IX 



FISHING OUT, SORTING AND STORAGE. 



Two basically different kinds of fish catching are customary in the pond fisheryt 

 Catching without draining the ponds and catching by draining the ponds. Fish catching 

 by draining is the more frequent essentially straight-forward procedure for the pond 

 fishery. A sj^tematic stock regulation is guaranteed only by draining the ponds. 



Only the fishing out of newly hatched carp broodlings, the fishing out of non- 

 dralnable growth ponds, the catching of the daily requirement of table trout in trout 

 fisheries and sample catches of ever^"" kind must be undertaken without the draining of 

 ponds . 



The carp brood is caught with flat nets of gauze, silk gauze, muslin or coarse 

 mesh material. A sunny day is selected, when the brood is at the surface. The young 

 carp brood can be kept In swimming hair sieves with wooden rims or in troughs painted 

 white inside. Freshly zinc-covered or "galvanized" troughs are to be avoided. Natural- 

 ly a sorting or even a weighing out is undertaken even less than with trout brood able to 

 eat. On the other hand it has been stated in Chapter IV that the most exact possible 

 count of the brood is desirable. 



For this purpose broodlings a.re poured out of one little capsule into a second 

 enamel capsule and counted as they pour over the rim, 1000 broodlings are left in the 

 capsule. In the other equal sized capsule, brood from the reserve stock is scooped 

 c)ut and the amount is estimated by comparison. The counting is more exact if a definite 

 quantity of water is scooped out of the trough with the stored brood and the number of 

 brood found in it is counted. The contents of the trough is thoroughly stirred previous- 

 ly. It can be determined by calculation how much brood is contained in 1 liter or 2 

 liters of v/ater from the trough. 



Llaranes (Coregonus) brood, and feeding trout brood is most protectively gotten out 

 of brood troughs and brood containers by siphoning over with a rubber hose. The brood 

 is only counted in an emergency, because the counting in the egg stage is much easier 

 and more protective. If the quantity estimation cannot be circumvented, then marSne 

 brood should be counted like carp brood, and trout brood as given for trout eggs in 3, 

 Chapter V, B, 5. Similar procedure is used with brood of pike, salmon, and graylings. 



By means of cylindrical weir baskets, several fishes and even cairis can be taken 

 out of the ponds at any time. The fishing of spawn trout in brooks is best undertaken 

 with drag nets. A thorough fishing out of non-drainable ponds (with even, obstacle- 

 free bottoms), and a quick mass catch of table trout is only possible with drag nets. 

 Sackless pond linen, also called net cloths are the most convenient. The mesh should 

 not be greater than 20 millimeters, so that the skin of the fishes is not injured by 

 over-sized meshes. 



To get the fishes out of drag nets, storage containers and pond ditches, hoop nets 

 (Fig. 58) are required. In the trout pond fishery the net bag must not be selected too 

 deep, so that the sensitive trout will not be too strongly squeezed. The width of mesh 

 and diameter of the loop must be regulated to the size of the fishes. Semi-circular 

 nets v;ith a straight front rim are the best for use in the holding boxes. The net loops 

 must always be smooth rimmed, nails and wire ends must not be present either on the loop 

 stem or on the loop because that would injure the skin of the fishes. It should also be 

 reminded that the fingernails of persons handling fishes should be cut short to avoid 

 injury to the fish in grasping. 



In order to lengthen the durability of nets and net bags, care must be taken to wash 

 fish sline anH dirt thoroughly out of all net cloth. After v/ashing, the nets are to be 

 dried in the shade and then hung up in the net room. They must never be left in a pile 

 for any length of time. 



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