نتایج جستجو برای: visit of extension farms
تعداد نتایج: 21174350 فیلتر نتایج به سال:
This study explores the importance of different motivations to visit three types of recreational settings--farms, private forests, and state or national parks. Data were collected via a mail-back questionnaire administered to a stratified random sample of households in Missouri (USA). Descriptive and inferential statistics reveal both similarities and discontinuities in motivations for visiting...
BACKGROUND Knee flexion contractures have been associated with increased pain and a reduced ability to perform activities of daily living. Contractures can be treated either surgically or conservatively, but these treatment options may not be as successful with worker's compensation patients. The purposes of retrospective review were to 1) determine the efficacy of using adjunctive high-intensi...
A section of the Kansas Dairy Producers' Needs Survey evaluated needs related to education on reproductive management and the most common reproductive management practices used on Kansas dairy farms. Of the 312 surveys mailed to dairy producers, 70 were returned fully completed. Results indicate that producers need education on the topic of reproduction and that reproductive management practice...
Our objective was to determine the role that European starlings (Sturnus vulgaris) play in the epidemiology of Escherichia coli O157:H7 in dairy cattle. We visited 150 dairy farms in Ohio twice during summer and fall months from 2007 to 2009. Fresh faecal pats from 30 lactating cows were collected during each visit. Information on farm management and environmental variables was gathered through...
Youth who live on, work on, or visit farms in the United States (U.S.) have been identified as a special population at high risk for non-fatal and fatal injuries [Adekoya and Pratt, 2001; Myers and Hendricks, 2001; Castillo et al., 1999; Rivara, 1997; NCCAIP, 1996]. Since 1996, the National Institute for Occupational Safety and Health (NIOSH) has conducted the Childhood Agricultural Injury Prev...
Youth who live on, work on, or visit farms in the United States (U.S.) have been identified as a special population at high risk for non-fatal and fatal injuries [Adekoya and Pratt, 2001; Myers and Hendricks, 2001; Castillo et al., 1999; Rivara, 1997; NCCAIP, 1996]. Since 1996, the National Institute for Occupational Safety and Health (NIOSH) has conducted the Childhood Agricultural Injury Prev...
abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...
The objective of this study was to develop a method to quantify antimicrobial drug usage and treatment practices on conventional and organic dairy farms that had been recruited to represent a broad spectrum of potential exposure to antimicrobial drugs. Data on disease prevalence and treatment practices of organic (n = 20) and conventional (n = 20) farms were obtained during a farm visit using a...
one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...
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