Twinning In Cattle :: essays research papers fc

Twinning in Cattle   Ã‚  Ã‚  Ã‚  Ã‚  Due to the continual fluctuation of the cattle market cattle producers have been searching for ways to improve their production and increase their profits any way possible. For years genetic engineers have been working hard on improving economic efficiency in cattle. It is their hope that through genetic research they can improve the yield and the income of cattle producers around the world. Research has shown that twinning is one way that farmers can increase their yield . Twinning has a significant influence on producers as well as people who are involved in all realms of agriculture. The reason for this large impact at this time is the fact that the occurrences are limited. However, many producers have a vision that twinning can be more than a once in a blue moon occurrence. These producers see twinning as a way to dramatically increase their yield per calving season. Producers will increase their income due to more weight per year per cow. It is necessary ;however, that the producer be well educated on how to handle twinning, in order for it to be successful for them.   Ã‚  Ã‚  Ã‚  Ã‚  Many agencies see twinning as an economic move upward. The American Breeder Service has made efforts to produce semen as well as embryos with high predicted breeding values available to producers. They have been recorded based on twinning probabilities and ovulation rates. A large amount of work on twinning has also been done by the Meat and Animal Research Center. Since the early eighties, they have located cattle with a high frequency of twinning and been forming a breeding foundation based on this characteristic. â€Å"We believe the time has come to make some of these unique genetic resources available to the beef industry through artificial insemination and embryo transfer† (Gregory 23). An extensive amount of research has been done using embryo transfer in cattle. In one study recipients were implanted with either a single embryo, two embryo in one uterine horn, or one embryo in each uterine horn. It is also possible to split embryos using a micro manipulator and implant each half to produce identical twins. On the average about 16% of the cows implanted with two embryos produced twins. When two embryos were implanted, and one was placed in each horn, conception rates were comparable with the prior method, however the twinning rate was much higher when the embryos were in separate horns (73% vs. 45%). For the most part, when one embryo was split in an attempt to produce identical twins, only one of the offspring survived birth (Davis 302).   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Many producers see twinning as a possible advancement in

My First Experience in College

Glass Castle The Glass Castle was written by the author, Jeanette Walls and she is also the protagonist of the book. The book tells the story of Jeanette Walls and her family life. It shows how they basically struggled day in and out like being short on food and money, they always moved around the country just to find a place to settle in. Jeanette Walls and her family mostly lived in various mining towns on the west coast of America.As Jeannette grew up in the desert, she enchanted by the limitless bounds of nature and the fantasies her father dreams up for her and her siblings. When Jeanette lived in the desert with her brother (Brian), she usually stacked up a rock collection and explored the natural and man-made features of the environment. Due to Rex Alcoholism, life in the desert ended because the family ran out of funds. So from the desert, they decided to relocate to Welch where Rex grew up.One thing I mostly knew about the Walls family was that their parents were both addict ed to substances that could kill, their father was addicted to alcohol while their mum was so addicted to sugar and it lead to them not paying attention to their children. On my academic research, the article I researched was on alcoholism and it basically said alcohol consumption, particularly heavier drinking is an important risk factor many health problems and, thus, is a major contributor to the global burden of disease.When it comes to Rex, the head of the Walls family, he tends to focus more drinking than his family which led to him being terribly poor. However, life in Welch, West Virginia is completely different than the life the Walls led in the desert on the West coast. Most notably, Welch has a winter season which brings new challenges to the Walls family. From their arrival, the Wells children are itching to leave Welch and return to the desert. But eventually circumstances become so bad that they realize they must move away from their parents in order to achieve stable lives.Lori and Jeannette set their sights on New York and begin saving money to move out of Welch once and for all. Moreover, Walls describes in fascinating detail what it was to be a child in this family, from the embarrassing (wearing shoes held together with safety pins; using markers to color her skin in an effort to camouflage holes in her pants) to the horrific (being told, after a creepy uncle pleasured himself in close proximity, that sexual assault is a crime of perception; and being pimped by er father at a bar). Though Walls has well earned the right to complain, at no point does she play the victim. In fact, Walls’ removed, nonjudgmental stance is initially startling, since many of the circumstances she describes could be categorized as abusive (and unquestioningly neglectful). But on the contrary, Walls respects her parents’ knack for making hardships feel like adventures and her love for them–despite their overwhelming self-absorption–resona tes from cover to cover.Eventually the siblings all end up relocating from Welch to New York in an attempt to be liberated from the stifling environment in Welch. For a time everyone is settled and living independently until Rex and Rose Mary show up in Manhattan in a van. After just a short while, the couple ends up poor and homeless once again and despite their efforts, the children are unable to take on the burden of hosting their parents anymore.Consequently, Rose Mary and Rex become squatters in abandoned apartments until Rex dies after having a heart attack. To Conclude, Jeannette has finally reconciled her past and present and no longer feels the need to hide behind lies or half-truths. In my perspective, I feel Glass Castle has thought me a lesson and that is to take life serious not for a mere joke and that is why Rex died through ignoring the clean aspect of life. The memoir liberates her and allows her to do what she enjoys most about writing; communicate with the world.

The Relevance of Behavioral Psychology to Instructional...

The Relevance of Behavioral Psychology to Instructional Technology Behavioral Psychology Defined John Watson wrote a paper in the Psychological Review in 1913 and defined behavioral psychology or behaviorism as †¦a purely objective experimental branch of natural science. Its theoretical goal is the prediction and control of behavior. Introspection forms no essential part of its methods, nor is the scientific value of its data dependent upon the readiness with which they lend themselves to interpretation in terms of consciousness. The behaviorist in his efforts to get a unitary scheme of animal response recognizes no dividing line between man and brute (Reynolds, Sinatra, Jetton 95). Essentially Watson’s views supported the†¦show more content†¦Lastly the concept of functionalism states when people think or act they do so for a purpose or function(Alberto Troutman 30). Thus behavioral psychology becomes a science emphasizing a practical and observable approach (Alberto Troutman 30). There are many behavioral psychologists that have contributed to the field. John Watson’s definition provided the foundation for Ivan Pavlov and B.F. Skinner. Their work has been extremely beneficial to the development of psychology and education. Ivan Pavlov earned a Nobel Peace Price for his research on respondent conditioning. It was by chance that this discovery was made. He was studying the behavior of dogs in his laboratory. If his assistant who fed the dogs came into the laboratory when Pavlov was studying the dog’s stomach, the dog began to secrete gastric liquids, just as if they had been given food. Pavlov deemed this a psychic secretion and noted that this reaction affected the whole digestive system, starting with the flow of saliva in the mouth as well as the secretion of acids in the stomach(Alberto Troutman 31). His peers discouraged him from pursuing this research, but he continued. His experiment involving the dogs included pairing food powder (which starts salivation-an automatic reflex) with a tone or noise that would normally have no affect on a dog’sShow MoreRelatedChildhood Obesity Essay976 Words   |  4 Pageslecture style, core information with the learning styles and technology skills of today’s 21st century learners, the Net Generation. Twenty-first century learners are digital learners. They want activity rather than lecture and they look to the internet for information that can be accessed 24/7/365. Computer programs and instruction give most students twenty-four hour access and allow for the assimilation of INTEGRATING TECHNOLOGY WITH NUTRITION EDUCATION Read MoreChapter 6 : Programmed Instruction Essay2242 Words   |  9 Pagesdefining instructional objectives in behavior terms, developing of criterion test, subject matter analysis 5. 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