CN103960157A - Testing system and method for identifying limp of dairy cattle early - Google Patents

Testing system and method for identifying limp of dairy cattle early Download PDF

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Publication number
CN103960157A
CN103960157A CN 201410223877 CN201410223877A CN103960157A CN 103960157 A CN103960157 A CN 103960157A CN 201410223877 CN201410223877 CN 201410223877 CN 201410223877 A CN201410223877 A CN 201410223877A CN 103960157 A CN103960157 A CN 103960157A
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testing
dairy
cattle
membrane
stress
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CN 201410223877
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Chinese (zh)
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张永
刘召
洪宝棣
刘彩霞
宗哲英
谢学虎
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内蒙古农业大学
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Abstract

The invention relates to a testing system for identifying limp of dairy cattle early. The testing system comprises a 3D membrane stress plate and a ramp which are arranged in sequence, wherein guide bars are respectively arranged on two sides of the 3D membrane stress plate and the ramp, and photoelectric sensors are arranged on the guide bars. The testing system further comprises a counter connected with the photoelectric sensors. An anti-slip antiseptic rubber blanket is laid on the 3D membrane stress plate, and the counter and the 3D membrane stress plate are connected with a data acquisition and record device. The testing system has the advantages that the 3D membrane stress plate serves as a test sensor to pick up acting force of dairy cattle to the ground, the dairy cattle can pass through a testing channel without interference during testing, and the testing system is simple, convenient and feasible. A test method has no special requirements for environments and light. A large amount of data information can be acquired by the membrane stress plate, real conditions of the acting force of dairy cattle to the ground during walking can be reflected accurately, and therefore, operators can identify whether dairy cattle limp or which legs of dairy cattle limp early through the data analysis result.

Description

早期识别奶牛跛行的测试系统及其方法 Early identification of cows claudication test system and method

[0001] [0001]

技术领域 FIELD

[0002] 本发明涉及一种早期识别奶牛跛行的测试系统及其方法,该测试系统主要安装在奶牛挤奶厅的出口处,通过合理安装护栏、分隔板、斜坡道和抗滑防腐橡胶垫等组件,消除左右两块3D薄膜应力板测取压力信号的影响因素,保证奶牛以最自然的状态通过测试系统,使得最终获取的识别奶牛是否跛行以及哪条腿跛行的数据更准确。 [0002] The present invention relates to a system and method for identifying early testing cows limp, the test system is installed at the outlet of the main milking cows by guardrail installed properly, the partition plate, and a sliding ramp corrosion rubber and other components, eliminating about two 3D film stress factors taken board side pressure signal, in order to ensure the most natural state cows through the test system, so that the final whether the acquired identification cows limp leg lameness and which is more accurate data.

[0003] [0003]

背景技术 Background technique

[0004] 现有的识别奶牛跛行技术主要是通过经验丰富的养殖技术人员对奶牛的跛行状况进行肉眼观察,在发现奶牛跛行时,情况已经相当严重,治愈的可能性很低。 [0004] cow lameness existing recognition technology is mainly by visual observation of lameness conditions experienced by cow breeding technician, found in cow lameness, the situation is very serious, the likelihood of cure is very low. 这样导致不能早期识别奶牛的跛行情况,造成极大的经济损失。 Such situation can not lead to lameness early identification of cows, causing great economic losses. 目前,动物足压量测步道系统的技术基本实现,但该技术只适合于体重较轻的动物,只能判断其是否有跛行,并不能判断出哪条腿有跛行。 At present, the technology of animal foot pressure measurement system basically trail, but the technology is only suitable for lighter weight of the animal, can only determine whether there limp and can not determine which leg limp.

[0005]发明内容 [0005] SUMMARY OF THE INVENTION

[0006] 为克服现有技术的缺陷,本发明提供一种早期识别奶牛跛行的测试系统及其方法,本发明的技术方案是:一种早期识别奶牛跛行的测试系统,其特征在于,包括依次安装的3D薄膜应力板和斜坡道,在所述的3D薄膜应力板和斜坡道的两侧分别安装有护栏,在其中的一护栏上安装有光电传感器,还包括与光电传感器连接的计数器;所述的3D薄膜应力板上面铺设有抗滑防腐橡胶垫,计数器和3D薄膜应力板均与数据采集和记录装置连接。 [0006] To overcome the disadvantages of the prior art, the present invention provides a system and method for identifying early testing cows claudication aspect of the present invention is: an early identification of the cow claudication test system, comprising sequentially 3D installation ramp plate and the film stress, film stress in 3D on both sides of the plate and the ramp are mounted guardrail, a fence in the photoelectric sensor mounted therein, further comprising a counter connected to the photoelectric sensor; the 3D film stress is laid above said plate skid rubber pads preservative, 3D film stress and counter board is connected with a data acquisition and recording means.

[0007] 所述的3D薄膜应力板包括左3D薄膜应力板和右3D薄膜应力板,所述的左3D薄膜应力板和右3D薄膜应力板之间安装有分隔板。 [0007] The 3D film stress plate comprises a left panel and a right 3D 3D film stress film stress plate, partition plate is mounted between said left and right 3D 3D film stress plate film stress plate.

[0008] 所述的左、右两块3D薄膜应力板用于测取奶牛通过测试通道时四只蹄部对地面的作用力,采集每个肢蹄作用在上面产生的数据;计数器用于测试出奶牛行走在该通道内的平均速度;护栏用于保证奶牛进入测试通道后沿直线行走;分隔板的边角倒圆,用于奶牛的左右肢蹄能够分别行走在左、右两块3D薄膜应力板上,防止左右肢蹄交叉串位;斜坡道用于引导奶牛进入护栏和左、右3D薄膜应力板形成的测试通道中,使奶牛通过测试通道时的速度基本接近牛在无干扰时的自由行走速度;抗滑防腐橡胶垫用于防止奶牛在行走时打滑,保护应力板遭受奶牛排泄物的腐蚀。 Left of the [0008], the right two 3D film stress plate for a force measured at four shoe taken through the test channel cow on the ground, each leg hoof collecting data generated in the above action; a counter for testing cows walk into the rear fence used to ensure the test in a linear path;; a cow to walk in an average speed of the passage partition plate rounded corners, for dairy cows can walk around the left leg hoof, respectively, two and right 3D film stress plate to prevent cross-bit string left limb hoof; ramp for guiding the cow entering the fence and left and right 3D test channel plate formed film stress, the speed when the cows by testing cattle passage substantially close in the absence of interference the free walking speed; skid rubber pads preservative for preventing slipping when walking cows, cows subject to corrosion protection of the stress plate exudates.

[0009] 所述的光电传感器为三个,沿奶牛的行进方向均匀设置。 Photosensor according [0009] to three, the direction of travel uniformly disposed cows.

[0010] 一种早期识别奶牛跛行的测试方法,包括以下步骤: [0010] A method for identifying a cow claudication early testing, comprising the steps of:

(I)、让奶牛通过斜坡道进入测试通道中;(2)、测试通道底部的左、右两块3D薄膜应力板测取奶牛蹄部在垂直方向对地面的作用力Fz、应力板平面内左右方向的压力Fx及应力板平面内前进方向的压力Fy,左、右两块3D薄膜应力板采集的压力数据传输至数据采集和记录装置中;其中,在左、右两块3D薄膜应力板的中间安装有边角倒圆的分隔板,其安装高度适中,防止奶牛在通过测试通道时左右肢蹄交叉串位,产生无效的肢蹄压力信号。 (The I), so that cows by ramps into the test channel; (2), the bottom left channel of the test, the right two 3D film stress measurement taken hoof plate portion of the ground force Fz in the vertical direction, the stress plate plane the forward direction Fx in the horizontal direction of the pressure and stress Fy pressure plate plane, left and right two 3D film stress plate to transmit pressure data acquired data acquisition and recording apparatus; wherein, in the left and right two 3D film stress plate the partition plate is mounted intermediate the corners rounded, medium height is mounted, to prevent cows limping pressure signal through the test channel bit string intersecting the left and right leg hoof, produce invalid. 铺设在左、右两块3D薄膜应力板上的抗滑防腐橡胶垫防止奶牛在行走时打滑,影响应力板对压力信号的测取,同时起到保护柔性应力板遭受奶牛排泄物的腐蚀。 Laying the left and right two sliding corrosion rubber pad 3D film stress plate to prevent slipping when walking cows, taking the influence of the stress plate measured pressure signal, while the flexible stress plate protect from corrosion cow excreta.

[0011] (3 )、该步骤与步骤(2 )同步进行,测试通道一侧的护栏上安装有光电传感器,奶牛在测试通道内行走的过程中遮挡住光电传感器,此时光电传感器的光电管发出触发信号且启动数据采集和记录装置,同时与光电传感器相连的光电计数器开始计数,一直到牛完全走出该光电传感器所对应的区域,则停止计数,由此可以估算出奶牛行走在该通道内的平均速度;通过该数据采集和记录装置所采集的数据进行分析,进而可以早期识别奶牛是否跛行以及哪条腿跛行的情况。 [0011] (3), the step of step (2) simultaneously, the photo sensor is mounted on one side of the fence test channel, in the process of cows walking test channel blocking photoelectric sensor, a photoelectric sensor case phototube and a trigger signal to start data acquisition and recording means, the counter starts counting at the same time the photoelectric sensor connected to the photoelectric until completely out of the region of the bovine corresponding photosensor, counting is stopped, whereby the cows can be estimated travel of the inner passage average speed; data collection and analysis by the recording apparatus of the collected data, and further can be identified early, and the case of dairy cows which leg claudication whether lameness.

[0012] 本发明的优点是:采用3D薄膜应力板作为测试传感器拾取奶牛对地面作用力,测试中奶牛可以无干扰地通过测试通道,具有简单、方便可行的特点;该测试方法对环境、光线等均没有特殊的要求;薄膜压力板采集的数据信息量大,更能准确地反应奶牛的行走过程中对地面作用力的真实状态,从而可以通过数据分析结果早期识别奶牛是否跛行以及哪条腿跛行的情况。 [0012] The advantage of the present invention are: the use of 3D film stress test sensor plate pickup as cows for ground forces, test cows without interference by the test channel, having a simple, convenient and feasible characteristics; the environmental test method, light There is also no special requirements; membrane pressure plates informative data collected during walking more accurately reflect the true state of the cow in the ground force, so that early identification of cows can be analyzed whether the data and which leg claudication cases of lameness.

[0013] [0013]

附图说明 BRIEF DESCRIPTION

[0014] 图1是本发明的主体结构示意图(去除一侧护栏)。 [0014] FIG. 1 is a schematic view of the main structure of the present invention (removal of one side of the fence).

[0015] [0015]

具体实施方式 detailed description

[0016] 下面结合具体实施例来进一步描述本发明,本发明的优点和特点将会随着描述而更为清楚。 [0016] The following specific examples further describe the present invention in conjunction with, advantages, and features of the invention will become apparent as the description. 但这些实施例仅是范例性的,并不对本发明的范围构成任何限制。 However, these examples are merely exemplary, and does not constitute any limitation on the scope of the invention. 本领域技术人员应该理解的是,在不偏离本发明的精神和范围下可以对本发明技术方案的细节和形式进行修改或替换,但这些修改和替换均落入本发明的保护范围内。 Those skilled in the art will appreciate that modifications or substitutions can be made in the form and details of the technical solutions of the present invention without departing from the spirit and scope of the present invention, but such modifications and alterations fall within the scope of the present invention.

[0017] 参见图1,本发明涉及一种早期识别奶牛跛行的测试系统,包括依次安装的3D薄膜应力板和斜坡道5,在所述的3D薄膜应力板和斜坡道5的两侧分别安装有护栏3,在其中的一护栏3上安装有光电传感器2,还包括与光电传感器2连接的计数器;所述的3D薄膜应力板上面铺设有抗滑防腐橡胶垫6,计数器和3D薄膜应力板均与数据采集和记录装置连接。 [0017] Referring to Figure 1, the present invention relates to an early test of the system to identify cows claudication, including 3D film stress and the ramp plate 5 are sequentially installed in the 3D film stress and the ramp plate 5 are respectively mounted on both sides 3 guardrail, a fence 3 in which the photosensor is attached to 2, further comprising a counter 2 connected to the photosensor; 3D film stress of the upper plate is laid skid rubber pad 6 corrosion, 3D film stress, and the counter plate and are connected to data acquisition and recording means.

[0018] 所述的3D薄膜应力板包括左3D薄膜应力板11和右3D薄膜应力板12,所述的左3D薄膜应力11板和右3D薄膜应力板12之间安装有分隔板4。 [0018] The 3D 3D film stress film comprises a left plate 11 and the right plate 3D stress film stress plate 12, a left plate 11 and the film stress 3D right 3D film stress plate 12 is mounted between the partition plate 4.

[0019] 所述的左、右两块3D薄膜应力板用于测取奶牛通过测试通道时四只蹄部对地面的作用力,采集每个肢蹄作用在上面产生的数据;计数器用于测试出奶牛行走在该通道内的平均速度;护栏用于保证奶牛进入测试通道后沿直线行走;分隔板的边角倒圆,用于奶牛的左右肢蹄能够分别行走在左、右两块3D薄膜应力板上,防止左右肢蹄交叉串位;斜坡道用于引导奶牛进入护栏和左、右3D薄膜应力板形成的测试通道中,使奶牛通过测试通道时的速度基本接近牛在无干扰时的自由行走速度内;抗滑防腐橡胶垫用于防止奶牛在行走时打滑,保护柔性应力板遭受奶牛排泄物的腐蚀。 Left of the [0019], the right two 3D film stress plate for a force measured at four shoe taken through the test channel cow on the ground, each leg hoof collecting data generated in the above action; a counter for testing cows walk into the rear fence used to ensure the test in a linear path;; a cow to walk in an average speed of the passage partition plate rounded corners, for dairy cows can walk around the left leg hoof, respectively, two and right 3D film stress plate to prevent cross-bit string left limb hoof; ramp for guiding the cow entering the fence and left and right 3D test channel plate formed film stress, the speed when the cows by testing cattle passage substantially close in the absence of interference the walk freely within a speed; skid rubber pads preservative for preventing slipping when walking cows, a flexible protective sheet subjected to the stress corrosion cow excreta.

[0020] 所述的光电传感器2为三个,沿奶牛的行进方向均匀设置。 Said photosensor [0020] 2 three, the direction of travel uniformly to cows.

[0021] 本发明还涉及一种早期识别奶牛跛行的测试方法,包括以下步骤: [0021] The present invention further relates to a method of testing to identify cows early claudication, comprising the steps of:

(1)、让奶牛通过斜坡道进入测试通道中;测试通道包括底部的左、右两块3D薄膜应力板和设置在左、右两块3D薄膜应力板两侧的护栏; (1), so that cows by ramps into the test channel; test channel comprises a bottom left and right panels and two 3D stress film disposed on the fence right and left two sides of the 3D film stress plate;

(2)、测试通道底部的左、右两块3D薄膜应力板测取奶牛每只蹄部在垂直方向对地面的作用力Fz、应力板平面内左右方向的压力Fx及应力板平面内前进方向的压力Fy,左、右两块3D薄膜应力板采集的压力数据传输至数据采集和记录装置中;其中,在左、右两块3D薄膜应力板的中间安装有边角倒圆的分隔板,其安装高度适中,防止奶牛在通过测试通道时左右肢蹄交叉串位,产生无效的肢蹄压力信号。 Pressure within the advancing direction Fx (2), the bottom left channel of the test, the right two panels 3D film stress measurement taken per cow hoof force Fz in the vertical direction on the ground, the left and right direction of the plate plane stress and plane stress plate Fy pressure, left and right two 3D film stress plate to transmit pressure data acquired data acquisition and recording apparatus; wherein, in the left, middle and right two 3D film stress plate is attached to the partition plate rounded corners which installation height is moderate, to prevent cows limping pressure signal through the test channel bit string intersecting the left and right leg hoof, produce invalid. 铺设在左、右两块3D薄膜应力板上的抗滑防腐橡胶垫防止奶牛在行走时打滑,影响应力板对压力信号的测取,同时起到保护柔性应力板遭受奶牛排泄物的腐蚀。 Laying the left and right two sliding corrosion rubber pad 3D film stress plate to prevent slipping when walking cows, taking the influence of the stress plate measured pressure signal, while the flexible stress plate protect from corrosion cow excreta.

[0022] ( 3 )、该步骤与步骤(2 )同步进行,测试通道一侧的护栏上安装有光电传感器,奶牛在测试通道内行走的过程中遮挡住光电传感器,此时光电传感器的光电管发出触发信号且启动数据采集和记录装置,同时与光电传感器相连的光电计数器开始计数,一直到牛完全走出该光电传感器所对应的区域,则停止计数,由此可以估算出奶牛行走在该通道内的平均速度;通过该数据采集和记录装置所采集的数据(压力数据以及行进速度)进行分析,进而可以早期识别奶牛是否跛行以及哪条腿跛行的情况。 [0022] (3), the step of step (2) simultaneously, the photo sensor is mounted on one side of the fence test channel, in the process of cows walking test channel blocking photoelectric sensor, a photoelectric sensor case phototube and a trigger signal to start data acquisition and recording means, the counter starts counting at the same time the photoelectric sensor connected to the photoelectric until completely out of the region of the bovine corresponding photosensor, counting is stopped, whereby the cows can be estimated travel of the inner passage average speed; by analyzing data (traveling speed and pressure data) acquisition and recording apparatus of the collected data, and further can be identified early, and the case of dairy cows which leg claudication whether lameness.

[0023] 具体为:3D薄膜应力板的薄膜压力传感器拾取奶牛每只蹄自由通过时的三维压力信号(Fx、Fy、Fz),通过数值计算获得与跛行相关度高的每个肢蹄归一化后的峰值压力、平均压力、传递能量(地面作用力对频率的积分)等参数,最终通过测得参数与给定的识别准则和阈值条件相比,即可得出识别奶牛是否跛行以及哪条腿跛行的情况。 [0023] Specifically: 3D film stress membrane pressure sensor pickup plate consisting of three cows each hoof pressure signal (Fx, Fy, Fz) by the time, obtained by calculation with each leg hoof by claudication high correlation values ​​normalized of the peak pressure, mean pressure, to transfer energy (integration of the ground force frequency) and other parameters, and finally through the measured parameters compared with the identification criteria and the given threshold condition can be derived whether the cow identified and which claudication case-legged limp.

Claims (5)

  1. 1.一种早期识别奶牛跛行的测试系统,其特征在于,包括依次安装的3D薄膜应力板和斜坡道,在所述的3D薄膜应力板和斜坡道的两侧分别安装有护栏,在其中的一护栏上安装有光电传感器,还包括与光电传感器连接的计数器;所述的3D薄膜应力板上面铺设有抗滑防腐橡胶垫,计数器和3D薄膜应力板均与数据采集和记录装置连接。 An early identification of cows limp test system comprising sequentially mounting plate and a 3D film stress ramp, 3D film stress in said plate and are mounted on both sides with a ramp fence, in which have a fence mounted on the photosensor, further comprising a counter connected to the photosensor; 3D film stress of the upper plate is laid skid rubber pads preservative, 3D film stress, and the counter plate is connected with a data acquisition and recording means.
  2. 2.根据权利要求1所述的早期识别奶牛跛行的测试系统,其特征在于,所述的3D薄膜应力板包括左3D薄膜应力板和右3D薄膜应力板,所述的左3D薄膜应力板和右3D薄膜应力板之间安装有分隔板。 The early recognition of the cow claudication test system as claimed in claim 1, wherein said plate includes a left membrane stress 3D 3D 3D film stress plate and the right plate film stress, film stress of the plate and left 3D A partition plate mounted between the right 3D film stress plate.
  3. 3.根据权利要求2所述的早期识别奶牛跛行的测试系统,其特征在于,所述的左、右两块3D薄膜应力板用于测取奶牛通过测试通道时四只蹄部对地面的作用力,采集每个肢蹄作用在上面产生的数据;计数器用于测试出奶牛行走在该通道内的平均速度;护栏用于保证奶牛进入测试通道后沿直线行走;分隔板的边角倒圆,用于奶牛的左右肢蹄能够分别行走在左、右两块3D薄膜应力板上,防止左右肢蹄交叉串位;斜坡道用于引导奶牛进入护栏和左、右3D薄膜应力板形成的测试通道中,使奶牛通过测试通道时的速度基本接近牛在无干扰时的自由行走速度;抗滑防腐橡胶垫用于防止奶牛在行走时打滑,保护应力板遭受奶牛排泄物的腐蚀。 The early identification of cows claudication test system according to claim 2, wherein said right and left two film stress plate for a 3D effect of four cows hooves when measured by the test channel takes on the ground force, each data collection limping effect created above; counter is used to test the cow to walk in an average speed of the channel; fence used to ensure cows walk in a straight line into the test channel; rounded corners of the partition plate , for the left and right leg hoof cows are able to walk on the left and right two 3D film stress plate to prevent cross-bit string left limb hoof; ramp for guiding the cow entering the fence and left and right 3D film stress test plate is formed channel, bovine cows walk freely speed substantially close in the absence of interference by the speed at which the test channel; skid rubber pads to prevent corrosion slipping while walking cows, cows on stress plate discharges subject to corrosion.
  4. 4.根据权利要求1所述的早期识别奶牛跛行的测试系统,其特征在于,所述的光电传感器为三个,沿奶牛的行进方向均匀设置。 The early recognition of the cow claudication test system as claimed in claim 1, wherein said photosensor is three, the direction of travel uniformly disposed cows.
  5. 5.一种早期识别奶牛跛行的测试方法,其特征在于,包括以下步骤: (1)、让奶牛通过斜坡道进入测试通道中; (2)、测试通道底部的左、右两块3D薄膜应力板测取奶牛每只蹄部在垂直方向对地面的作用力Fz、应力板平面内左右方向的压力Fx及应力板平面内前进方向的压力Fy,左、右两块3D薄膜应力板采集的压力数据传输至数据采集和记录装置中;其中,在左、右两块3D薄膜应力板的中间安装有边角倒圆的分隔板,其安装高度适中,防止奶牛在通过测试通道时左右肢蹄交叉串位,产生无效的肢蹄压力信号; 铺设在左、右两块3D薄膜应力板上的抗滑防腐橡胶垫防止奶牛在行走时打滑,影响应力板对压力信号的测取,同时起到保护柔性应力板遭受奶牛排泄物的腐蚀; (3)、该步骤与步骤(2)同步进行,测试通道一侧的护栏上安装有光电传感器,奶牛在测试通道内行 A method for identifying a cow limp early testing, which is characterized by comprising the steps of: (1) to allow cows to enter through the test channel ramp; (2), the bottom left channel of the test, the right two 3D film stress forward direction Fx board side inner pressure taken per cow hoof on the ground a force Fz in the vertical direction, the left and right internal stress and the stress plate plane direction Fy pressure plate plane, left and right two 3D film stress acquired pressure plate data transmitted to the data acquisition and recording apparatus; wherein, in the left, middle and right two 3D film stress plate is attached to the partition plate rounded corners, medium height is mounted, to prevent cows through the test channel around limping cROSS bit string, generates an invalid signal pressure limping; laying in left and right two 3D sliding film stress corrosion rubber mat board to prevent slipping when walking cows, taking the influence of the stress plate measured pressure signals, also play a the flexible sheet subject to corrosion protection stress cow excrement; (3), the step of step (2) simultaneously, the photo sensor is mounted on one side of the fence test channels, the test channel experts cows 的过程中遮挡住光电传感器,此时光电传感器的光电管发出触发信号且启动数据采集和记录装置,同时与光电传感器相连的光电计数器开始计数,一直到牛完全走出该光电传感器所对应的区域,则停止计数,由此可以估算出奶牛行走在该通道内的平均速度;通过该数据采集和记录装置所采集的数据进行分析,进而可以早期识别奶牛是否跛行以及哪条腿跛行的情况。 The process of blocking the photosensor, this time the photosensor photocell and a trigger signal to start data acquisition and recording means connected to the photosensor while the photoelectric counter begins counting until the cow completely out of the region corresponding to the photoelectric sensor, counting is stopped, whereby the cows can be estimated in the channel running average speed; data collection and analysis by the recording apparatus of the collected data, and further can be identified early, and the case of dairy cows which leg claudication whether lameness.
CN 201410223877 2014-05-26 2014-05-26 Testing system and method for identifying limp of dairy cattle early CN103960157A (en)

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US20040158174A1 (en) * 2000-05-30 2004-08-12 University Of Maryland Method and apparatus for detecting lameness in animals
CN1980570A (en) * 2004-06-21 2007-06-13 伊奎斯莊有限责任公司 Method and apparatus for evaluating animals' health and performance
CN101472469A (en) * 2006-04-18 2009-07-01 Iti苏格兰有限公司 Method and system for monitoring the condition of livestock
CN101495036A (en) * 2006-03-21 2009-07-29 阿菲克姆智能牧场管理系统公司 A method and a system for lameness recognition

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4935887A (en) * 1987-06-10 1990-06-19 Ahmad Abdalah Process and analysis and simulation of the displacements of a horse
US20040158174A1 (en) * 2000-05-30 2004-08-12 University Of Maryland Method and apparatus for detecting lameness in animals
CN1980570A (en) * 2004-06-21 2007-06-13 伊奎斯莊有限责任公司 Method and apparatus for evaluating animals' health and performance
CN101495036A (en) * 2006-03-21 2009-07-29 阿菲克姆智能牧场管理系统公司 A method and a system for lameness recognition
CN101472469A (en) * 2006-04-18 2009-07-01 Iti苏格兰有限公司 Method and system for monitoring the condition of livestock

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