Fishing – trapping – and vermin destroying – Vermin destroying
Patent
1996-12-11
2000-04-11
Carone, Michael J.
Fishing, trapping, and vermin destroying
Vermin destroying
43900, 239112, 239209, 239302, 239536, 239567, A01M 700
Patent
active
060474955
DESCRIPTION:
BRIEF SUMMARY
TITLE OF THE INVENTION
The present invention relates to a pest-controlling apparatus for use in livestock barns which is placed in a livestock barn such as henhouse, pig house, cow shed and the like to control pests such as housefly and the like by spraying an agent to the feces of livestock.
In henhouses for raising hens for the purpose of ovum recovery, as many hens for ovum collection (hereinafter simply referred to as hens) as 4-5 heads have hitherto been raised in one cage or in a narrow place for the purpose of improving the efficiency of egg production. The henhouse is usually constructed according to the style of chick type multistage windowless henhouse in which one henhouse is constructed by stage-wise superposing the above-mentioned cages in 4-5 stages and arranging the stage-like structure thus obtained side by side in the lateral direction to make one row having a width of several tens of meters, although the structure may vary depending on the scale of the poultry farn. In this type of henhouse, a cage cover sheet (hereinafter referred to as feces board) is placed in a prescribed position of a henhouse of lower stage in order to appropriately lead the feces excreted by the hens of upper stage and thereby protect the hens of lower stage from the feces of the hens of upper stage.
In this type of poultry farm, a great importance is attached to the control of pests such as housefly and the like in order to prevent various diseases, in addition to a strict control of the raising conditions such as quality and quantity of feed, intensity of illumination, temperature, humidity, etc. Since the pests lay eggs mainly on the feces accumulating on the floor (the layer of accumulated feces is hereinafter referred to as feces floor), a pest-controlling agent has hitherto been sprayed onto the feces floor by the method mentioned below to prevent the occurrence of pests.
Thus, in a henhouse of small scale, pests are controlled by directly scattering an agent to the feces floor or spraying an aqueous dilution of the agent to the feces floor by means of a watering pot, a shouldered power-driven spray or the like. In a large-scale henhouse, as shown in FIGS. 6(a) and 6(b), a spraying tube 50 which is a pest-controlling tube for use in livestock barns,made of polyvinyl chloride, stainless steel or the like and provided with nozzles 51--at prescribed intervals, is appropriately placed in a prescribed position for the floor, and an aqueous solution of controlling agent is sprayed from the nozzles 51--onto the feces floor to control pests.
The prior controlling methods mentioned above, however, have the following problems, respectively. Thus, the method of directly scattering an agent to the feces floor or spraying an aqueous solution of agent onto the feces floor by means of a watering pot or power-driven spray is disadvantageous in that the controlling agent cannot be scattered on the feces floor uniformly and the spraying area per unit time is limited, that the controlling agent or its aqueous solution and the power-driven spray which are all heavy in weight must be directly carried into the henhouse and transported on the shoulder by working staffs during the spraying work, that the spraying work must be done under difficult conditions such as slippiness of floor, soiling of clothes, unpleasant odor, etc., and that the spraying work takes a long period of time.
Although the method of spraying an aqueous solution of controlling agent onto the feces floor from the nozzles 51--provided on spraying tube 50 can broaden the spraying area per unit time, this method is disadvantageous in that the nozzles 51--are readily clogged by feces because the spraying tube is placed on the floor, and therefore maintenance of nozzles 51--must be repeated frequently which elevates the maintenance cost, that the agent cannot be sprayed uniformly because the feces floor bulges out as the quantity of feces increases, and that a portion of the controlling agent remains in the spraying tube 50 due to which the consumption of controllin
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Fukui Kazuo
Matsumura Syunji
Mima Toshiaki
Takada Isao
Ark Darren
Carone Michael J.
Gruenfeld Norbert
Lopez Gabriel
Novartis Corporation
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