JP2007097853A - Treating or preventing device and method for mastitis of dairy cow - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a treating or preventing device and a method for mastitis which can easily perform the treatment or the prevention at a low cost without applying so much working hours. <P>SOLUTION: This treating or preventing device is equipped with a chemical injector 30, and the chemical injector has a washing gas container 32, a washing gas nozzle section 34, a chemical housing section 36, and a clamping means 38. In this case, the washing gas container 32 houses a washing gas. The upper end of the washing gas nozzle section 34 is provided with a first nozzle hole and keeps the washing gas nozzle section 34 arranged above the washing gas. The chemical housing section 36 is arranged in the washing gas nozzle section, and the upper end of which is provided with a second nozzle hole, and the chemical housing section 36 houses a chemical. The clamping means 38 is used for opening/closing the first and second nozzle holes. In addition, the treating or preventing device is equipped with a short milk tube closing means 42 which is arranged between each short milk tube 12 and a claw 10 of a milking machine, and is used for closing a space between each short milk tube and the claw. The chemical injector 30 is respectively attached to each short milk tube 12 in such a manner that the first nozzle hole may be located in each short milk tube. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mastitis treatment / prevention apparatus and method useful for the treatment / prevention of mastitis in dairy cows.

  Currently, about 30% of all milking cows are said to suffer from clinical mastitis. Milk extracted from affected dairy cows is to be disposed of in accordance with the provisions of the Food Sanitation Law, so treating and preventing dairy cow mastitis is an extremely important issue for dairymen. It has become.

  Conventionally, as a method for treating and preventing mastitis in dairy cows, a medicine is sprayed on the nipple of a dairy cow with a spray, the nipple is immersed in the medicine using a dipping cup, or a drug is placed in the milk duct using a nozzle tube. It is done to inject directly.

  In order to accurately treat and prevent mastitis, it is necessary to combine drug spraying, drug soaking, and drug injection, which are independent operations, as appropriate. There is a problem of requiring work time, labor, and cost.

  The present invention has been developed in view of such a situation, and provides a mastitis treatment / prevention device and method that can be implemented easily and at low cost without much work time. It is aimed.

  A mastitis treatment / prevention device for dairy cows according to claim 1 of the present application includes a chemical injector, and the chemical injector is provided with a cleaning gas container for storing cleaning gas, and a first nozzle hole at the upper end. A cleaning gas nozzle portion disposed above the cleaning gas container; a cleaning gas nozzle portion disposed in the cleaning gas nozzle portion; a second nozzle hole provided at an upper end thereof; and a chemical solution storage portion for storing a chemical solution; And a clamping means for opening and closing the second nozzle hole, wherein the cleaning gas nozzle portion and the chemical solution storage portion are formed of an elastic material, and are respectively disposed between the short milk tubes and the claw of the milking machine. Short milk tube closing means for closing between each short milk tube and the claw, wherein the chemical solution injector has the first nozzle hole in each short milk tube. Are attached to each short milk tube so that the pressure of the cleaning gas stored in the cleaning gas container is higher than the pressure of the chemical solution stored in the chemical solution storage portion. Largely, the pressure of the chemical solution is set to be larger than the pressure in the short milk tube during the treatment / prevention work.

  The apparatus for treating and preventing mastitis of dairy cows according to claim 2 of the present application is the apparatus according to claim 1, wherein the liquid injector is positioned on an extension line of the first nozzle hole and the second nozzle hole. As described above, each short milk tube is attached to each other.

  A dairy cow mastitis treatment / prevention device according to claim 3 of the present application is characterized in that, in the device of claim 1 or 2, the cleaning gas is sterilized air, alcohol-containing air, or iodine-containing air. The apparatus according to claim 1 or 2.

  A method for treating / preventing mastitis in a dairy cow using the mastitis treatment / prevention device according to any one of claims 1 to 3 according to claim 4 is characterized in that the short milk tube is closed. The method includes operating the means to close between the claw and the short milk tube and opening the clamping means of the liquid injector.

  The apparatus and method of the present invention enable mastitis treatment / prevention operations to be performed easily and at low cost. In particular, when the apparatus and method of the present invention are incorporated at the end of a series of milking operations, the operation can be performed very efficiently in a short time. Further, in the apparatus and method of the present invention, the chemical solution / cleaning gas can surely reach the diseased part located in the mammary gland and the deep part of the breast, so that a great therapeutic / preventive effect can be expected.

  Next, a mastitis treatment / prevention device for dairy cows according to a preferred embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram schematically showing a mastitis treatment / prevention device for dairy cows according to the present invention. In FIG. 1, reference numeral 10 indicates a claw of a milking machine, and a plurality (usually four) of short milk tubes 12 extend from the claw 10, and a nipple of a cow is placed at the tip of each short milk tube 12. A cup liner 14 to be attached to each is attached. The outer periphery of each cup liner 14 is covered with a shell 16, and the space between the outer periphery of the cup liner 14 and the shell 16 is a pulsation chamber 18. Each pulsation chamber 18 and the claw 10 are connected by a short pulse tube 20. On the other hand, one end of the long milk tube 22 extends from the claw 10 and the other end is connected to a recorder (milk amount measurement) jar or a milk pipe (not shown). Further, a long pulse tube 24 extends from the claw 10. The claw 10 is provided with a bleed hole 10a for discharging the air in the claw. The structure of the above milking machine is a well-known thing.

  The mastitis treatment / prevention device for dairy cows according to a preferred embodiment of the present invention includes a chemical solution injector 30. FIG. 2 is a cross-sectional view schematically showing the chemical solution injector 30. The chemical solution injector 30 has a cleaning gas container 32 for storing the cleaning gas. The upper end of the cleaning gas container 32 is open and is formed of an arbitrary material such as a synthetic resin material.

  A cleaning gas nozzle portion 34 is disposed above the cleaning gas container 32, and the lower end opening of the cleaning gas nozzle portion 34 is firmly fitted into the upper end opening of the cleaning gas container 32. The cleaning gas nozzle portion 34 is made of an elastic material such as rubber, and a nozzle hole 34a is provided in the approximate center of the upper end. The nozzle hole 34a is normally closed, but when the cleaning gas container 32 / cleaning gas nozzle portion 34 is opened as will be described later, the nozzle hole 34a is opened by the pressure of the cleaning gas.

  The chemical solution injector 30 is also disposed inside the cleaning gas nozzle portion 34 and has a chemical solution storage portion 36 for storing a chemical solution. The chemical solution storage portion 36 is formed of an elastic material such as rubber, and a nozzle hole 36a is provided in the approximate center of the upper end. The nozzle hole 36a is normally closed like the nozzle hole 34a. However, when the cleaning gas container 32 / cleaning gas nozzle part 34 and the chemical liquid storage part 36 are opened as described later, the pressure of the cleaning gas and the chemical liquid is increased. It is designed to open.

  The chemical injector 30 further includes a clamping means 38 for opening and closing the nozzle holes 34a and 36a of the cleaning gas container 32 / cleaning gas nozzle portion 34 and the chemical solution storage portion 36. As the clamping means 38, for example, a pinch cock or the like may be used.

A cleaning gas having a pressure P ₁ is accommodated in the cleaning gas container 32 / the cleaning gas nozzle portion 34. Examples of the cleaning gas include sterilized air, alcohol-containing air, and iodine-containing air. On the other hand, a chemical solution having a pressure P ₂ (<P ₁ ) is contained in the chemical solution containing portion 36. The pressures P ₁ and P ₂ are set to be higher than the pressure P ₀ in the short milk tube 12. Therefore, the pressure is P ₁ > P ₂ > P ₀ .

  In FIG. 2, reference numeral 40 indicates a holding member for holding the chemical solution storage portion 36 at a predetermined position inside the cleaning gas nozzle portion 34.

  As shown in FIG. 4, the chemical injector 30 is attached to each short milk tube 12 such that the nozzle hole 34 a of the cleaning gas nozzle portion 34 is located inside each short milk tube 12. Preferably, each of the chemical injectors 30 is short-circuited so that the nipple is positioned on an extension line (shown by a dashed line in FIG. 4) of the nozzle hole 34a of the cleaning gas nozzle portion 34 and the nozzle hole 36a of the chemical solution storage portion 36. It is attached to the milk tube 12.

  The dairy cow mastitis treatment / prevention device of the present invention is also provided with a short milk tube closing means 42. The short milk tube closing means 42 is disposed between the chemical solution injector 30 and the claw 10 of each short milk tube 12 and serves to close each short milk tube 12 in front of the claw 10 at the time of chemical solution injection described later. Fulfill. The short milk tube closing means 42 may be a normal valve such as an electromagnetic valve.

  Next, a method for treating and preventing mastitis in dairy cows using the mastitis treatment / prevention device configured as described above will be described. First, each cup liner 14 is attached to the nipple of a dairy cow and milked. Milking is performed by making the inside of the short milk tube 12 in a vacuum state and periodically changing the pressure in the pulsation chamber through the short pulse tube 20. As the end of milking approaches, the pressure in the dairy cow's breast becomes negative. When the milking is substantially finished, the short milk tube closing means 42 is operated to close the space between the claw 10 and each short milk tube 12, and the clamping means 38 of the drug solution injector 30 is opened. Then, as FIG. 3 shows, a chemical | medical solution is injected in the short milk tube 12 toward a teat with a cleaning gas. As described above, since the inside of the breast duct is under a negative pressure, the injected liquid medicine / cleaning gas penetrates into the breast from the breast duct and reaches the affected part located deep in the breast. Can be efficiently treated and prevented.

  In the above-described example, the treatment / prevention method of the present invention is incorporated as part of a series of steps of milking work. However, the treatment / prevention method of the present invention may be performed separately from the milking work. Good.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say, it is something.

  For example, in the above-described embodiment, the portion for containing / injecting the cleaning gas is divided into the two portions of the cleaning gas container 32 / the cleaning gas nozzle portion 34, but these may be formed integrally. In the above embodiment, after the short milk tube closing means 42 is operated, the clamping means 38 is opened. However, when the short milk tube closing means 42 is operated, the clamping means 38 is automatically activated. You may comprise so that it may open | release.

It is the figure which showed typically the mastitis treatment and prevention apparatus of the dairy cow of this invention. It is sectional drawing which showed typically the chemical | medical solution injection device in a closed state. It is sectional drawing which showed typically the chemical | medical solution injector in the open state. It is the figure which showed typically the state currently treated / prevented using the mastitis treatment / prevention device for dairy cows of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Claw 12 Short milk tube 14 Cup liner 16 Shell 18 Pulsation chamber 20 Short pulse tube 22 Long milk tube 24 Long pulse tube 30 Chemical solution injector 32 Cleaning gas container 34 Cleaning gas nozzle part 36 Chemical solution storage part 38 Clamp means 40 Holding member 42 Short milk tube closing means

Claims (4)

A mastitis treatment / prevention device for dairy cows,
A chemical gas injector, the chemical liquid injector is provided with a cleaning gas container for containing a cleaning gas, a first nozzle hole is provided at the upper end, and a cleaning gas nozzle part disposed above the cleaning gas container; A second nozzle hole is provided at the upper end of the cleaning gas nozzle portion, and a chemical solution storage portion for storing a chemical solution; and a clamping means for opening and closing the first and second nozzle holes;
The cleaning gas nozzle part and the chemical solution storage part are formed of an elastic material,
Further comprising a short milk tube closing means disposed between each short milk tube and the claw of the milking machine, for closing between each short milk tube and the claw;
The chemical solution injector is attached to each short milk tube so that the first nozzle hole is located inside each short milk tube,
The pressure of the cleaning gas stored in the cleaning gas container is larger than the pressure of the chemical liquid stored in the chemical liquid storage portion, and the pressure of the chemical liquid is the pressure in the short milk tube during the treatment / prevention work. An apparatus characterized by being set to be larger than the above. 2. The apparatus according to claim 1, wherein the liquid injector is attached to each short milk tube so that a teat is positioned on an extension line of the first nozzle hole and the second nozzle hole. The apparatus according to claim 1 or 2, wherein the cleaning gas is sterilized air, alcohol-containing air, or iodine-containing air. A method for treating or preventing mastitis in a dairy cow using the mastitis treatment / prevention device according to any one of claims 1 to 3,
Activating the short milk tube closing means to close between the claw and the short milk tube and opening the clamping means of the liquid injector.

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