Detection device, detection method, and program

Abstract

To provide a technique capable of consistently managing livestock parturition and post-partum perinatal disease. [Solution] A detection device according to one aspect of the present disclosure has a first detection unit that detects signs of parturition in a livestock based on measurements of the surface temperature of the underside of the livestock's tail, a second detection unit that detects the possibility of perinatal disease in the livestock based on the measurements after the livestock has parturition, and a notification unit that sends a specified notification to a terminal when signs of parturition in the livestock or the possibility of perinatal disease in the livestock is detected.

Description

[Technical Field]

[0001] The present disclosure relates to a detection device, a detection method, and a program. [Background technology]

[0002] For livestock farmers who raise dairy cows and fattening cattle, managing cow births and perinatal diseases is one of their important tasks. A known prior art for managing cow births is a technology that detects signs of birth in livestock based on the intravaginal temperature measured by a temperature sensor inserted into the vagina of a cow or other livestock (for example, Patent Document 1, etc.). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2007-296042 Summary of the Invention [Problem to be solved by the invention]

[0004] However, there is no prior art technology that can consistently manage cow delivery and post-delivery perinatal disease using a temperature sensor attached to the cow.

[0005] The present disclosure has been made in consideration of the above points, and provides a technology that enables livestock delivery management and post-delivery perinatal disease management to be carried out in a consistent manner. [Means for solving the problem]

[0006] A detection device according to one embodiment of the present disclosure has a first detection unit that detects signs of parturition in a livestock based on measurements of the surface temperature of the underside of the livestock's tail, a second detection unit that detects the possibility of perinatal disease in the livestock based on the measurements after the livestock has parturition, and a notification unit that sends a specified notification to a terminal when signs of parturition in the livestock or the possibility of perinatal disease in the livestock is detected. [Effects of the Invention]

[0007] A technology is provided that enables livestock delivery management and post-delivery perinatal disease management to be carried out in an integrated manner. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a diagram illustrating an example of the overall configuration of a detection system according to an embodiment of the present invention. [Figure 2] FIG. 2 is a diagram illustrating an example of a functional configuration of a detection processing unit according to the present embodiment. [Figure 3] 10 is a flowchart illustrating an example of a detection process according to the present embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] An embodiment of the present invention will be described below. In the following embodiment, a cow is assumed as an example of livestock, and a detection system 1 that can detect signs of parturition in a cow and the possibility of perinatal diseases after parturition will be described. The detection system 1 according to this embodiment makes it possible to consistently manage cow parturition and perinatal diseases after parturition.

[0010] However, cows are an example of livestock, and livestock to which the following embodiments can be applied are not limited to cows.

[0011] <Example of overall configuration of detection system 1> An example of the overall configuration of a detection system 1 according to this embodiment is shown in Fig. 1. As shown in Fig. 1, the detection system 1 according to this embodiment includes a detection device 10, one or more temperature sensors 20, one or more GW devices 30, and one or more user terminals 40. The detection device 10, each GW device 30, and each user terminal 40 are communicatively connected via a communication network 50 including, for example, the Internet.

[0012] The detection device 10 detects signs of parturition in the cow 60 and the possibility of post-partum perinatal disease based on sensor data including values ​​measuring the temperature of the tail base of the cow 60 (more specifically, the surface temperature of the underside of the tail base). Furthermore, when the detection device 10 detects signs of parturition in the cow 60 or the possibility of post-partum perinatal disease, it notifies the user terminal 40 of the detection result. The detection device 10 is realized, for example, by a PC (personal computer), a general-purpose server, etc.

[0013] The temperature sensor 20 measures the temperature of the tail of the cow 60 (more specifically, the surface temperature of the underside of the tail) and transmits sensor data including this temperature to the GW device 30. Here, the temperature sensor 20 is attached to the tail of the cow 60 (more specifically, the underside of the tail). Note that it is preferable to use, for example, tape that is oil-resistant and water-resistant and can be left attached for at least several weeks to attach the temperature sensor 20.

[0014] Generally, the temperature inside the rectum (rectal temperature) is used to detect signs of parturition in cows (see, for example, Reference 1), but it is known that there is a correlation between the temperature of the cow's tail and rectal temperature (see, for example, Reference 2). Therefore, using the temperature of the tail to detect signs of parturition in cows can reduce stress on the cow compared to, for example, measuring the temperature inside the cow's vagina or rectum. Furthermore, compared to inserting a temperature sensor into the cow's vagina, the temperature sensor will not be expelled due to, for example, water rupture, and therefore the temperature sensor 20 can be used continuously to detect the possibility of perinatal disease after parturition. Thus, attaching the temperature sensor 20 to the underside of the tail of the cow 60 reduces stress on the cow 60 and enables consistent detection of signs of parturition in the cow 60 and the possibility of perinatal disease after parturition.

[0015] The communication method and communication standard used when the temperature sensor 20 transmits sensor data to the GW device 30 are not particularly limited, but for example, LPWA (Low Power Wide Area) or the like can be used.

[0016] The GW device 30 collects sensor data from the temperature sensor 20 and transmits this sensor data to the detection device 10. The GW device 30 transmits the sensor data to the detection device 10, for example, at each sensing cycle of the temperature sensor 20 or at each predetermined time interval. Here, the sensor data includes, for example, a sensor ID that identifies the temperature sensor 20 (or a cow ID that identifies the cow 60 to which the temperature sensor 20 is attached), the date and time of temperature measurement, and the measured temperature value (hereinafter also referred to as the measured temperature value). In the following, as an example, the sensor data is assumed to be in the format of (cow ID, date and time of measurement, measured temperature value). The GW device 30 is realized by, for example, a communication device called a gateway device or an IoT (Internet of Things) gateway.

[0017] The user terminal 40 is a terminal of any type used by a user (for example, a ranch operator) who manages parturition management of the cow 60 and perinatal disease management after parturition. The user terminal 40 notifies the user that the cow 60 has signs of parturition or that there is a possibility of perinatal disease, etc., in accordance with the detection results notified by the detection device 10. The user terminal 40 is realized, for example, by a PC, a smartphone, a tablet terminal, a wearable device, etc.

[0018] The detection device 10 according to this embodiment includes a detection processing unit 100 and a storage unit 200. The detection processing unit 100 is realized, for example, by a processor such as a CPU (Central Processing Unit) executing one or more programs installed in the detection device 10. The storage unit 200 is realized, for example, by various storage devices such as a hard disk drive (HDD), a solid state drive (SSD), a flash memory, etc.

[0019] The detection processing unit 100 executes detection processing to detect signs of parturition and the possibility of perinatal diseases after parturition in the cow 60. Furthermore, when the detection processing unit 100 receives sensor data from the GW device 30, it stores the sensor data in the storage unit 200. An example of a detailed functional configuration of the detection processing unit 100 will be described later.

[0020] The storage unit 200 stores the sensor data. For example, the cow ID is id, the measurement date and time is t, and the temperature measurement value x at the measurement date and time t is t Then, the storage unit 200 stores {(id, t, x t ) |id∈I, t∈T} is stored, where ID is a set of cow IDs, and T is a set of measurement dates and times. In this way, the storage unit 200 stores sensor data as time-series data.

[0021] In addition to the sensor data, the memory unit 200 also stores various data necessary for executing the detection process (for example, thresholds used to detect signs of parturition in the cow 60 and to detect the possibility of perinatal diseases after parturition, etc.).

[0022] The overall configuration of the detection system shown in Fig. 1 is an example and is not limited to this. For example, Fig. 1 illustrates one temperature sensor 20, one GW device 30, and one user terminal 40 as an example, but there may be multiple temperature sensors 20, multiple GW devices 30, or multiple user terminals 40. Furthermore, for example, if the temperature sensor 20 can transmit sensor data to the detection device 10, the GW device 30 may not be present.

[0023] <Example of functional configuration of detection processing unit 100> An example of the functional configuration of the detection processing unit 100 according to this embodiment is shown in Fig. 2. As shown in Fig. 2, the detection processing unit 100 according to this embodiment includes a data acquisition unit 101, a labor sign detection unit 102, a perinatal disease detection unit 103, a wearing period determination unit 104, and a notification unit 105.

[0024] The data acquisition unit 101 acquires from the storage unit 200 the latest sensor data of a cow 60 (hereinafter also referred to as the target cow 60) that is to be detected for signs of parturition and the possibility of postpartum perinatal diseases.

[0025] The parturition sign detection unit 102 detects the parturition sign of the target cow 60 based on the temperature measurement value included in the latest sensor data of the target cow 60.

[0026] The perinatal disease detection unit 103 detects the possibility of perinatal disease in the target cow 60 after calving, based on the temperature measurement value contained in the latest sensor data of the target cow 60.

[0027] The attachment period determination unit 104 determines whether the attachment period of the temperature sensor 20 attached to the target cow 60 has exceeded a predetermined period.

[0028] If signs of parturition are detected in the target cow 60, the notification unit 105 notifies the user terminal 40 of the detection result. In addition, if the notification unit 105 detects the possibility of perinatal disease in the target cow 60 after parturition, the notification unit 105 notifies the user terminal 40 of the detection result. Furthermore, if the notification unit 105 determines that the period of time that the temperature sensor 20 attached to the target cow 60 has been attached exceeds a predetermined period, the notification unit 105 notifies the user terminal 40 to remove the temperature sensor 20.

[0029] <Detection process> The detection process according to this embodiment will be described below with reference to Figure 3. The following describes a case in which signs of parturition are detected before parturition in a certain target cow 60, and the possibility of the cow developing a perinatal disease after parturition is detected. The memory unit 200 stores sensor data collected from the temperature sensor 20 attached to the target cow 60 as time-series data for each sensing cycle or for each predetermined time interval.

[0030] Here, the following steps S101 to S103 are performed before the delivery of the target cow 60. On the other hand, the following steps S104 to S108 are performed after the delivery of the target cow 60.

[0031] Before calving of target cow 60 The data acquisition unit 101 of the detection processing unit 100 acquires the latest sensor data of the target cow 60 (that is, the sensor data including the most recent measurement date and time) from the storage unit 200 (step S101).

[0032] Next, the labor sign detection unit 102 of the detection processing unit 100 uses the temperature measurement value included in the sensor data acquired in the above step S101 and the normal body temperature to determine whether the body temperature has dropped below a predetermined threshold value or more from the normal body temperature (step S102). t When the normal body temperature is X1 and the threshold is θ1, the labor sign detection unit 102 calculates X1-x t This is because if a temperature drop of a certain level or more is observed from normal body temperature, delivery is expected to occur within approximately 24 hours thereafter.

[0033] Here, normal body temperature X1 refers to the body temperature of the cow 60 when it is normal (the surface temperature of the underside of the tail base), and its value is determined in advance. For example, the normal body temperature X1 may be a general normal body temperature common to all cows, but in order to detect signs of parturition with greater accuracy, it is preferable to use a normal body temperature specific to the target cow 60. For example, the surface temperature of the underside of the tail base of the target cow 60 when it is normal may be measured, and the average value of these measurements may be used as the normal body temperature specific to the target cow 60.

[0034] The threshold value θ1 is a predetermined value. The threshold value θ1 can be set to any value, but it is considered preferable to set it to, for example, about 0.4 to 0.6.

[0035] If it is not determined in step S102 that the body temperature has dropped from normal body temperature by more than the predetermined threshold, the detection processing unit 100 returns to step S101. As a result, steps S101 and S102 are repeated until it is determined that the body temperature has dropped from normal body temperature by more than the predetermined threshold.

[0036] On the other hand, if it is determined in step S102 above that a drop in body temperature from normal body temperature of more than the predetermined threshold has occurred, the notification unit 105 of the detection processing unit 100 notifies the user terminal 40 that signs of parturition have been detected in the target cow 60 (step S103). This allows the user to know that the target cow 60 will give birth within approximately 24 hours. The method by which the user terminal 40 notifies the user is not limited to a specific method, and the user may be notified by any method. For example, the user terminal 40 may display on a display or the like that signs of parturition have been detected in the target cow 60, or may notify the user by sound, vibration, or the like.

[0037] Post-partum of target cow 60 The data acquisition unit 101 of the detection processing unit 100 acquires the latest sensor data of the target cow 60 (that is, the sensor data including the most recent measurement date and time) from the storage unit 200 (step S104).

[0038] Next, the perinatal disease detection unit 103 of the detection processing unit 100 uses the temperature measurement value included in the sensor data acquired in the above step S104 and the reference body temperature to determine whether or not the body temperature has changed by a predetermined threshold or more from the reference body temperature (step S105). t , where the reference body temperature is X2 and the threshold is θ2, the perinatal disease detection unit 103 calculates |X2-x t This is because if a certain change in body temperature (increase or decrease in body temperature) is observed from the body temperature at a certain time after delivery, there is a high possibility that a perinatal disease has developed.

[0039] Here, the reference body temperature X2 is, for example, the body temperature (the surface temperature of the underside of the tail) of the subject cow 60 N hours after birth (where N is a predetermined integer of 1 or more). N can be, for example, 24, but this is just one example and is not limited to 24.

[0040] The threshold value θ2 is a predetermined value. The threshold value θ2 can be set to any value, but it is considered preferable to set it to, for example, about 0.5.

[0041] If it is determined in step S105 above that a change in body temperature of more than a predetermined threshold has occurred from the reference body temperature, the notification unit 105 of the detection processing unit 100 notifies the user terminal 40 that a possibility of perinatal disease has been detected in the target cow 60 (step S106). This allows the user to know that the target cow 60 may be developing a perinatal disease. Note that the method by which the user terminal 40 notifies the user is not limited to a specific method, and the user may be notified by any method. For example, the user terminal 40 may display on a display or the like that a possibility of perinatal disease has been detected in the target cow 60, or may notify the user by sound, vibration, or the like.

[0042] On the other hand, if it is not determined in step S105 that a body temperature change of more than the predetermined threshold has occurred from the reference body temperature, the attachment period determination unit 104 of the detection processing unit 100 determines whether the attachment period of the temperature sensor 20 attached to the target cow 60 exceeds the predetermined threshold (step S107). That is, for example, when the attachment period is E and the threshold is θ3, the attachment period determination unit 104 determines whether E>θ3 is satisfied. Here, the attachment period E refers to the period elapsed since the temperature sensor 20 was attached to the target cow 60 (or it may be the period elapsed since the target cow 60 gave birth). This makes it possible to notify the target cow 60 to remove the temperature sensor 20 if the adhesiveness of the oil-resistant and water-resistant tape used to attach the temperature sensor 20 has decreased after a certain period of time has passed. The threshold value θ3 is a predetermined value and can be any value, but for example, if E is the period that has elapsed since the temperature sensor 20 was attached to the target cow 60, it could be set to the period until the adhesiveness of the oil-resistant and water-resistant tape used to attach the temperature sensor 20 decreases (for example, several weeks).

[0043] If it is not determined in step S107 that the wearing period of the temperature sensor 20 exceeds the predetermined threshold, the detection processing unit 100 returns to step S104. As a result, steps S104 to S107 are repeated until it is determined that a body temperature change of equal to or greater than the predetermined threshold has occurred from the reference body temperature, or until it is determined that the wearing period of the temperature sensor 20 exceeds the predetermined threshold.

[0044] On the other hand, if it is determined in step S107 above that the attachment period of the temperature sensor 20 exceeds the predetermined threshold, the notification unit 105 of the detection processing unit 100 notifies the user terminal 40 that the temperature sensor 20 should be removed from the target cow 60 (step S108). This allows the user to know that the target cow 60 has not developed a perinatal disease and that the temperature sensor 20 can be removed. Note that the method by which the user terminal 40 notifies the user is not limited to a specific method, and the user may be notified by any method. For example, the user terminal 40 may display on a display or the like that the temperature sensor 20 should be removed from the target cow 60, or may notify the user by sound, vibration, or the like.

[0045] Note that the above steps S104 to S108 do not have to be performed until N hours have passed since calving. Alternatively, until N hours have passed since calving, the above steps S104 to S108 may be performed using a body temperature determined from the reference body temperatures of other cows 60 as the reference body temperature X2.

[0046] <Summary> As described above, the detection device 10 according to this embodiment can detect signs of parturition in the cow 60 and the possibility of perinatal diseases after parturition, using sensor data collected from the temperature sensor 20 attached to the (underside of) the tail of the cow 60. In this way, the detection device 10 according to this embodiment can consistently detect signs of parturition before parturition and the possibility of perinatal diseases after parturition, without having to remove the temperature sensor 20 from the cow 60. This reduces the workload of the user (e.g., farm worker) required to attach the temperature sensor 20 to the cow 60. Furthermore, stress on the cow 60 can be reduced compared to, for example, inserting a temperature sensor into the cow's vagina.

[0047] The present invention is not limited to the above-described specifically disclosed embodiments, and various modifications, changes, and combinations with known technologies are possible without departing from the scope of the claims.

[0048] [References] Reference 1: Takashi Ikedaki, Mitsuharu Yamaguchi, Toshio Ishiguro, Shozo Suzuki, "Predicting the time of parturition in dairy cows by measuring body temperature," Academic Research Report of Obihiro University of Agriculture and Veterinary Medicine. Part 1 / Obihiro University of Agriculture and Veterinary Medicine, 13(1), November 1982, pp. 13-18. Reference 2: Development of a method for measuring cow surface temperature using a wireless body temperature sensor | National Agriculture and Food Research Organization, Internet<URL:https: / / www.naro.go.jp / project / results / laboratory / niah / 2015 / niah15_s14.html> [Explanation of symbols]

[0049] 1. Detection System 10. Detection Device 20 Temperature Sensor 30 GW equipment 40 User terminals 50 Communication Network 60 cow 100 detection processing unit 101 Data Acquisition Unit 102 Labor sign detection unit 103 Perinatal Disease Detection Division 104 Wearing period determination unit 105 Notification Department 200 Storage section

Claims

1. A first detection unit that detects signs of parturition in a livestock based on a measured surface temperature of the underside of the tail portion of the livestock, the measured surface temperature being measured by a temperature sensor attached to the underside of the tail portion of the livestock using tape that is at least one of oil-resistant and water-resistant; A second detection unit that detects the possibility of a perinatal disease in the livestock based on the measurement value after delivery of the livestock; a first notification unit that transmits a predetermined notification to a terminal when a sign of parturition in the livestock is detected or when a possibility of a perinatal disease in the livestock is detected; a second notification unit that transmits a notification to the terminal indicating that the temperature sensor should be removed based on the elapsed time since the temperature sensor was attached to the backside of the tail or the elapsed time since delivery; A detection device having:

2. A first detection step for detecting signs of parturition in a livestock based on measurements of the surface temperature of the underside of the tail portion of the livestock, the measurements being taken by a temperature sensor attached to the underside of the tail portion of the livestock using tape that is at least one of oil-resistant and water-resistant; a second detection step of detecting a possibility of a perinatal disease in the livestock based on the measurement values ​​after the livestock has given birth; a first notification step of transmitting a predetermined notification to a terminal when a sign of parturition in the livestock is detected or when a possibility of a perinatal disease in the livestock is detected; a second notification step of sending a notification to the terminal indicating that the temperature sensor should be removed based on the elapsed time since the temperature sensor was attached to the backside of the tail or the elapsed time since delivery; The computer performs the detection method.

3. A first detection step for detecting signs of parturition in a livestock based on measurements of the surface temperature of the underside of the tail portion of the livestock, the measurements being taken by a temperature sensor attached to the underside of the tail portion of the livestock using tape that is at least one of oil-resistant and water-resistant; a second detection step of detecting a possibility of a perinatal disease in the livestock based on the measurement values ​​after the livestock has given birth; a first notification step of transmitting a predetermined notification to a terminal when a sign of parturition in the livestock is detected or when a possibility of a perinatal disease in the livestock is detected; a second notification step of sending a notification to the terminal indicating that the temperature sensor should be removed based on the elapsed time since the temperature sensor was attached to the backside of the tail or the elapsed time since delivery; A program that causes a computer to execute the following.

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