Parasiticidal aqueous suspension
A suspension, parasite technology, applied in the direction of biocides, biocides, chemicals for biological control, etc., can solve problems such as application difficulties and reduced efficacy
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Embodiment 1
[0033] Example 1 (according to the invention)
[0034] Use 10 kg containing 85% by weight of sodium bicarbonate and 15% Sipernat produced by Degussa 50S powder of amorphous silica, wherein the sodium bicarbonate has an average particle size of 40 μm and such that 75% of the particles have a particle size of less than 65 μm. The powder was mixed for 10 minutes in a "ploughshare" mixer of the Lödige type. It is then mixed with 57 liters of water for 5 minutes to form an aqueous suspension by means of an "Ultra Turrax Ika" type shear action dispersing mixer. The aqueous suspension is applied by means of a piston membrane pump at a flow rate of about 3 liters per minute at a pressure of 3 bar to the surroundings of laying hens in a breeding building capable of accommodating 50,000 chickens. Hen in a cage. The amount of suspension applied corresponds approximately to 8 g of active substance per square meter of treated surface. Red lice-infested buildings are treated with hen...
Embodiment 2
[0037] Example 2 (according to the invention)
[0038] Use 20kg containing 85% by weight potassium bicarbonate and 15% Sipernat produced by Degussa company 50S powder of amorphous silica, wherein the potassium bicarbonate has an average particle size of 40[mu] and such that 75% of the particles have a particle size of less than 65[mu]. The powders were mixed in a Lodige type paddle mixer for 20 minutes. It was then added to 25 liters of water and mixed by a stirrer to form an aqueous suspension. The suspension is applied by means of a piston pump at a flow rate of about one liter per minute at a pressure of 150 bar, onto the environment of laying hens in a breeding building capable of housing 10,000 chickens on the floor chicken. The latter suspension applied corresponds approximately to 20 g of potassium bicarbonate per square meter of treated surface. The building was previously disassembled, cleaned and sanitized and the hens were emptied at the time of disposal, wh...
Embodiment 3
[0040] Example 3 (according to the invention)
[0041] Aqueous parasiticidal suspensions were prepared and applied as in the previous examples, but with sodium sesquicarbonate instead of potassium bicarbonate. Make it 20g / m 2 The ratio of sesquicarbonate was applied to the environment of laying hens in a building used to raise said laying hens in cages (also housing 10000 hens). The buildings were still occupied by hens at the time of treatment, showing very high levels of infestation. The uniform appearance of the dermatomid red lice in the hen environment is responsible for the red spots on the eggs laid, the result of crushing the blood-filled red lice during the egg drop after this lay. Twelve hours after treatment, the infestation had disappeared. Twelve weeks after treatment, the infestation had not reappeared. The laying hens present during the application of the suspension showed no discomfort.
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