Evaluation of a new technology when applied to sheep production systems: Part II—Real-time ultrasonic scanning of ewes in mid-pregnancy

1989 ◽  
Vol 29 (4) ◽  
pp. 287-323 ◽  
Author(s):  
P.J. Bowman ◽  
D.G. Fowler ◽  
D.A. Wysel ◽  
D.H. White
1989 ◽  
Vol 29 (1) ◽  
pp. 35-47 ◽  
Author(s):  
P.J. Bowman ◽  
D.A. Wysel ◽  
D.G. Fowler ◽  
D.H. White

1985 ◽  
Vol 10 ◽  
pp. 95-105 ◽  
Author(s):  
T. J. Maxwell ◽  
Mary D. Lloyd ◽  
I. A. Dickson

AbstractUpland sheep production systems based on the utilisation of enclosed sown pastures are considered in relation to environmental constraints, recent trends in marketing requirements and a continuing need to improve economic efficiency. The need for quantitatively described decision making in relation to both the testing, development and application of new technology is discussed with particular reference to those factors influencing herbage growth, utilisation and management.Relatively few upland farms are capable of producing marketable fat lambs before the decline in returns per kg lamb in June. Although higher returns for heavier fat or store lambs can be obtained in the autumn, the degree to which this maximizes the returns per ha will be dependent upon the stocking rate and ewe and lamb performance during the summer. It will also be dependent on the extent to which there is competition for pasture in the autumn and its effect on ewe live weight and condition during the pre-mating and post-mating period; weight and condition will affect reproductive performance which has a substantial effect on returns per ha.The significance of sward height as a means of controlling the performance of sheep grazing sown pastures is reviewed in relation to ongoing and completed systems experiments and development projects. It is concluded that, for practical purposes, a sward height held between 3.5 and 5.5 cm will provide a sound basis for management of the lactating ewe and suckling lamb until weaning. The means of achieving sward height control in varying farming situations and the development of commercially viable management systems is considered.In the development of systems towards improving production efficiency, a better description of responses to both level and pattern of N used is required. The need for a better understanding of responses of the ewe in terms of ovulation rate and embryo wastage to changing sward characteristics in the autumn and to the use of supplementary feeding is also required. New techniques, such as the endocrine manipulation of reproductive performance, need to be assessed in relation to existing practices and performance.


2021 ◽  
Vol 13 (3) ◽  
pp. 1081
Author(s):  
Yoon Kyung Lee

Technologies that are ready-to-use and adaptable in real time to customers’ individual needs are influencing the supply chain of the future. This study proposes a supply chain framework for an innovative and sustainable real-time fashion system (RTFS) between enterprises, designers, and consumers in 3D clothing production systems, using information communication technology, artificial intelligence (AI), and virtual environments. In particular, the RTFS is targeted at customers actively involved in product purchasing, personalising, co-designing, and manufacturing planning. The fashion industry is oriented towards 3D services as a service model, owing to the automation and democratisation of product customisation and personalisation processes. Furthermore, AI offers referral services to prosumers or/and customers and companies, and proposes individual designs with perfect styles and measurements using new 3D computer aided design and AI-based product design technologies for fashion and design companies and customers. Consequently, 3D fashion products in the RTFS supply chain are entirely digital, saving time and money with sampling and tracking capabilities, secured, and trusted with personalised service delivery.


2008 ◽  
Vol 37 (spe) ◽  
pp. 143-160 ◽  
Author(s):  
Carlos Sañudo Astiz

Small ruminants have been one of the first domesticated species and from their origins have produced multiple benefits to humans. In the last two centuries, world sheep production has become more and more specialised upon geographical areas. But, recent changes in consumer attitudes, together with the increment in artificial fibre industries and human world population, some crisis related with the international wool market and some increments in lamb prices, have provoked that lamb meat has increased its relative importance inside the global sheep income. Also, sheep production systems vary considerably across the world, and reflect the different local environmental conditions, which determine, to a large extent, breeds, housing, levels of intensification and, at the end, local market requirements and qualities. However, among all the meats, sheep meat remains the most internationally traded (16 % of total world production is exported), which explains the potential existence of different lamb products in the same market. Then, the new requirements have created a higher interest for meat production, including its quality and quality marks. This interest from producers and the industry should be reflected in a proportional higher interest from the researches towards sheep and goat, where it exists, in general, important lacks of knowledge and, in particular, in lamb and kid meat Science. In the present speech we will made a special incidence on the relationship between carcass quality and lamb acceptability and on some factors like breed and species, diet and production system, slaughter weight and ageing time and their importance on the variation of the carcass and meat quality, including consumer acceptability.


2020 ◽  
Author(s):  
Giraso Kabandana ◽  
Adam Michael Ratajczak ◽  
Chengpeng Chen

Microfluidic technology has tremendously facilitated the development of in vitro cell cultures and studies. Conventionally, microfluidic devices are fabricated with extensive facilities by well-trained researchers, which hinders the widespread adoption of the technology for broader applications. Enlightened by the fact that low-cost microbore tubing is a natural microfluidic channel, we developed a series of adaptors in a toolkit that can twine, connect, organize, and configure the tubing to produce functional microfluidic units. Three subsets of the toolkit were thoroughly developed: the tubing and scoring tools, the flow adaptors, and the 3D cell culture suite. To demonstrate the usefulness and versatility of the toolkit, we assembled a microfluidic device and successfully applied it for 3D macrophage cultures, flow-based stimulation, and automated near real-time quantitation with new knowledge generated. Overall, we present a new technology that allows simple, fast, and robust assembly of customizable and scalable microfluidic devices with minimal facilities, which is broadly applicable to research that needs or could be enhanced by microfluidics.


2021 ◽  
Author(s):  
Ahmed Alghamdi ◽  
Olakunle Ayoola ◽  
Khalid Mulhem ◽  
Mutlaq Otaibi ◽  
Abdulazeez Abdulraheem

Abstract Chokes are an integral part of production systems and are crucial surface equipment that faces rough conditions such as high-pressure drops and erosion due to solids. Predicting choke health is usually achieved by analyzing the relationship of choke size, pressure, and flow rate. In large-scale fields, this process requires extensive-time and effort using the conventional techniques. This paper presents a real-time proactive approach to detect choke wear utilizing production data integrated with AI analytics. Flowing parameters data were collected for more than 30 gas wells. These wells are producing gas with slight solids production from a high-pressure high-temperature field. In addition, these wells are equipped with a multi-stage choke system. The approach of determining choke wear relies on training the AI model on a dataset constructed by comparison of the choke valve rate of change with respect to a smoother slope of the production rate. If the rate of change is not within a tolerated range of divergence, an abnormal choke behavior is detected. The data set was divided into 70% for training and 30% for testing. Artificial Neural Network (ANN) was trained on data that has the following inputs: gas specific gravity, upstream & downstream pressure and temperature, and choke size. This ANN model achieved a correlation coefficient above 0.9 with an excellent prediction on the data points exhibiting normal or abnormal choke behaviors. Piloting this application on large fields, where manual analysis is often impractical, saves a substantial man-hour and generates significant cost-avoidance. Areas for improvement in such an application depends on equipping the ANN network with long-term production profile prediction abilities, such as water production, and this analysis relies on having an accurate reading from the venturi meters, which is often the case in single-phase flow. The application of this AI-driven analytics provides tremendous improvement for remote offshore production operations surveillance. The novel approach presented in this paper capitalizes on the AI analytics for estimating proactively detecting choke health conditions. The advantages of such a model are that it harnesses AI analytics to help operators improve asset integrity and production monitoring compliance. In addition, this approach can be expanded to estimate sand production as choke wear is a strong function of sand production.


Author(s):  
Richard Caladine

In the previous chapters three real time communications technologies (RTCs) have been discussed. Videoconferences have been used for real time communications in distance learning for many years. In recent years many institutions have used videoconferences in addition to the text-based communications tools in learning management systems: discussion forums and chat. Video chat is a new technology. It is computer based and inexpensive after the purchase of the computer as software is often free and the basic audio and video equipment is inexpensive. Video chat facilitates two-way video and audio communications and thus it is likely to displace videoconference from its place in the market. The Access Grid is also gaining use in education as a teaching tool due to the richness of the experience of multiple video streams, and additional tools that allow true collaboration. How these technologies are used in educational settings has a direct impact on the effectiveness and efficiency of the educational experience and theoretical guides to their use have been discussed earlier in this book. One of the early theoretical approaches was that put forward by Michael Moore.


Author(s):  
William H. Friedman

It is no wonder that the average citizen is concerned about the difficulty of guarding one’s privacy. Now, your own cell phone can reveal your ever-changing whereabouts by means of “location technology” (Lagesse, 2003). Chips that receive coordinates from global positioning satellites now make it possible to locate persons, cars, merchandise, in short, whatever we value. Like most new technology, it is easy to see advantages as well as drawbacks. Some positives of location technology are that ambulances, police and fire services can reach victims more quickly; driving suggestions can be delivered in real time to motorists (thus helping to avoid traffic tie-ups and prevent getting lost); advertisers can inform potential customers of the existence of a nearby hotel, store or restaurant; stores utilizing RFID (see the KEY TERMS section for explanations of possibly unfamiliar terms) can trace merchandise movement to reduce waste, replenish inventory, and stem shoplifting. Some negatives are that nefarious agents can also use location technology to track their prey; location-tracking history can be subpoenaed by one’s legal adversaries; and it is inevitable that corporations and government will have an interest in conducting such monitoring (Griffin & Whitehead, 2001, 2002).


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