Development of a self-contained, indwelling vaginal temperature probe for use in cattle research

Burdick, N.C.; Carroll, J.A.; Dailey, J.W.; Randel, R.D.; Falkenberg, Shollie M.; Schmidt, Ty B

doi:10.1016/j.jtherbio.2011.10.007

Cited by 97 publications

(104 citation statements)

References 29 publications

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“…For example, these include temporarily inserted rectal [75], vaginal [76] or aural temperature [77] data loggers. These techniques may be suited to relatively short time periods (days-weeks) and are especially useful for large species where subjects can be recaptured.…”

Section: Non-surgical Methods For Measurement Of Internal Temperaturementioning

confidence: 99%

Challenges of measuring body temperatures of free-ranging birds and mammals

2015

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The thermal physiology of most birds and mammals is characterised by considerable spatial and temporal variation in body temperature. Body temperature is, therefore, a key parameter in physiological, behavioural and ecological research. Temperature measurements on freely moving or free-ranging animals in the wild are challenging but can be undertaken using a range of techniques. Internal temperature may be sampled using thermometry, surgically implanted loggers or transmitters, gastrointestinal or non-surgically placed devices. Less invasive approaches measure peripheral temperature with subcutaneous passive integrated transponder tags or skin surface-mounted radio transmitters and data loggers, or use infrared thermography to record surface temperature. Choice of technique is determined by focal research question and region of interest that reflects appropriate physiological or behavioural causal mechanisms of temperature change, as well as welfare and logistical considerations. Particularly required are further studies that provide opportunities of continuously sampling from multiple sites from within the body. This will increase our understanding of thermoregulation and temperature variation in different parts of the body and how these temperatures may change in response to physiological, behavioural and environmental parameters. Technological advances that continue to reduce the size and remote sensing capability of temperature recorders will greatly benefit field research.

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Section: Non-surgical Methods For Measurement Of Internal Temperaturementioning

confidence: 99%

Challenges of measuring body temperatures of free-ranging birds and mammals

2015

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“…Those modifications will depend on the temperature and volume of ingested water, the qualitative and quantitative composition of the food and nature of the forage (Prendiville et al, 2003;O. AlZahal et al, 2009 and2011;Burdick et al, 2012). In addition, some temperature variations may also be observed due to the position of the animal, for example lying on a cold floor.…”

Section: Temperature Measurement With Non Invasive Contact Sensorsmentioning

confidence: 99%

“…Using intravaginal devices, Burdick et al (2012) were able to detect an immune response of heifers, following a LPS (lipo poly saccharide) challenge, and Dikmen et al (2009) to highlight the effects of heterosis on the resistance to heat stress in dairy cows. In addition, Burke et al (2007) was able to demonstrate the circadian rhythm of temperature through the use of intravaginal sensors.…”

Section: Temperature Measurement With Non Invasive Contact Sensorsmentioning

confidence: 99%

A Review of Methods to Measure Animal Body Temperature in Precision Farming

Sellier¹,

Guettier²,

Staub³

2014

AJAST

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Automation of phenotypic measurements of livestock has become a more important goal for scientists and also for farmers who need a more precise, real-time knowledge of their animals. Among physiological measures, body temperature and its variations are key indicators of the physiological health and well-being of animals. Although measuring the body temperature may seem a trivial matter, its implementation is faced with many difficulties both at biological and technological levels in a field of constant progress. Today, there are many studies reporting taking temperature measurements without restraining animals. The present report focuses on the two main approaches to temperature measurements that use direct contact or radiation sensors. Specifically, we investigated the use of thermocouples, thermistors and infrared radiation sensors. A wide literature review using one of these techniques was conducted in which different animal species, different purposes, different experimental designs, various equipments, and different devices and gold standard methods are discussed. These technologies will continue their dizzying development, leading to new communication protocols, sensors miniaturization and a more efficient management of energy. These developments will have a direct impact on the increase of reading distances and the amount of information stored. In response to the request of farmers and researchers, integrated monitoring systems are already marketed with user-friendly interfaces and softwares for complex data storage and treatments.

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“…Such monitoring devices often base on the range of commercially available intravaginal drug delivery technologies used in farmed animals. An example of such temperature monitoring device, consisting of a blank controlled internal drug release (CIDR) device that holds an indwelling vaginal temperature probe logger, was proposed by Burdick et al [15]. It was used for the measurement of vaginal temperature in dairy cattle, without the potential biases associated with the stress response produced as a reaction to the handling by and (or) presence of humans.…”

Section: A Related Workmentioning

confidence: 99%

“…As shown by Burdick et al [15] the 'T' shaped CIDR device is of particular importance for intravaginal measurements due to its rectangular opening directly below the point, where the two arms of the 'T' shape merge. After CIDR application it is the most optimal location for pH and temperature sensor installation, which guarantee most accurate measurements, due to the central location inside the vagina, in direct contact with vaginal fluids.…”

Section: ) Cattle's Ph Sensor Housingmentioning

confidence: 99%

Design Concepts and Operation Principles for Smart Intra-Vaginal Health Monitoring Devices

Lewandowski

Chao

Niżański

2016

2016 IEEE 13th International Conference on E-Business Engineering (ICEBE)

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Abstract-The proposed work is the conception of a novel intra-body sensor device capable of measuring and gathering long-term intra-vaginal pH and temperature. At its early stage this project focuses on the analysis of different design concepts and operation principles of such intra vaginal sensor device. Traditional methods of intra-vaginal pH sampling, which rely on analysis of vaginal secretions or discharge from lateral vaginal walls, are difficult in long-term and often fraught with the potential for errors. Therefore this paper focuses on the analysis of such sensor's shape, form, size and fabric in order to enable precise, continuous acquisition of females' and animals' intra-vaginal pH and temperature at the right place inside the vagina. The aim is to set such operation principles, which will enable convenient collection and analysis of continuous vaginal pH and temperature samples for the purpose of further study. The objective is to achieve at least as accurate results as with the discrete analysis of clinicallyobtained intra-vaginal specimens, if not better. The data obtained with such sensors could enable a development of insemination prediction and gynaecological disorders detection models, which deployed to, for example smartphone devices, will help to attain high conception rate for animals and eventually improve the control of the vaginal health for women.

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Development of a self-contained, indwelling vaginal temperature probe for use in cattle research

Cited by 97 publications

References 29 publications

Challenges of measuring body temperatures of free-ranging birds and mammals

Challenges of measuring body temperatures of free-ranging birds and mammals

A Review of Methods to Measure Animal Body Temperature in Precision Farming

Design Concepts and Operation Principles for Smart Intra-Vaginal Health Monitoring Devices

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