نتایج جستجو برای: ducks being swimming and flying

تعداد نتایج: 16847617  

2018
Jennifer Pharr Carol Irwin Todd Layne Richard Irwin

Swimming is an important source of physical activity and a life skill to prevent drowning. However, little research has been conducted to understand predictors of swimming ability. The purpose of this study was to understand factors that predict swimming ability among children and adolescents in the United States (US). This was a cross-sectional survey conducted between February and April of 20...

Journal: :JED (Jurnal Etika Demokrasi) 2022

This research is based on the trend of folk traditions in people West Sumatra. One them a tradition form competition that uses livestock such as cows, buffaloes, and ducks were its implementation community blends from several Luak Limapuluh (Limapuluh Kota Regency Payakumbuh) Sumatra Province. study intends to explain values togetherness gotong royong (team work) Flying Duck Race Regency. The f...

2012
J. F. Jiang X. M. Song X. Huang W. D. Zhou J. L. Wu Z. G. Zhu H. C. Zheng Y. Q. Jiang

A study was conducted to evaluate effects of alfalfa meal on growth performance and gastrointestinal tract development of growing layer ducks to provide evidence for application of alfalfa meal in the duck industry. Two hundred and fifty-six healthy Shaoxing 7-wk old growing layer ducks were selected and randomly allocated to 1 of 4 dietary treatments based on corn and soybean meal and containi...

Journal: :Poultry science 2013
D M Karcher M M Makagon G S Fraley S M Fraley M S Lilburn

Commercial poultry production management practices have been under increased public scrutiny driven by concerns for food safety and animal welfare. Within the United States, wood shavings and raised plastic floors are common flooring systems used in duck production. It is intuitive that each flooring type would present different management challenges influencing physical characteristics of grow...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید مدنی آذربایجان - دانشکده ادبیات و زبانهای خارجی 1389

according to coates’s (2004, as cited in zhang, 2010) definition of "conversational dominance" (p.111), it refers to the phenomenon of a speaker dominating others in interaction. specifically, it means how a speaker makes use of certain strategies to get the floor and maintain the floor. thus, the amount of talk is the main measurement for the dominance of the conversation. whether a speaker do...

Journal: :Wahana peternakan 2023

The purpose of this study was to identify Follicle Stimulating Hormone (FSH) gene mutation West Sumatera Pitalah ducks. This used blood samples from 50 ducks (5 males and 45 females). Extraction analized by Kit iNtRON Biotechnology amplification DNA extraction the primer with fragmen target 318 bp. Sequencing 1st Base Singapore product Dnastar. Based on result is ducks.
 Key Words: FSH, Ge...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2005
D J Hulse-Post K M Sturm-Ramirez J Humberd P Seiler E A Govorkova S Krauss C Scholtissek P Puthavathana C Buranathai T D Nguyen H T Long T S P Naipospos H Chen T M Ellis Y Guan J S M Peiris R G Webster

Wild waterfowl, including ducks, are natural hosts of influenza A viruses. These viruses rarely caused disease in ducks until 2002, when some H5N1 strains became highly pathogenic. Here we show that these H5N1 viruses are reverting to nonpathogenicity in ducks. Ducks experimentally infected with viruses isolated between 2003 and 2004 shed virus for an extended time (up to 17 days), during which...

2016
Kalifa M.M Nassar

The present work was initiated to study the incidence, morphology and molecular identification of Cryptosporidium spp. infecting ducks. Incidence of Cryptosporidium spp. in ducks was 39.9 % (365 out of 915 ducks). Seasonal incidence showed that the highest rate was in winter (74.6%) while the lowest one was in autumn (7.1%). Cryptosporidium spp. oocysts were spherical to ovoid in shape with smo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

as the canon is shaped by white male standards rewriting the canonical works of literature is one of the ways through which postcolonial writers subvert the authority of the masters. writing in the language of the masters the colonized writers use the very suppressive tool in the hands of the masters i.e. their language to question the validity of their norms. regarded by most critics to be the...

Journal: :International journal of geographical information science : IJGIS 2016
Diann J. Prosser Eric C. Palm John Y. Takekawa Delong Zhao Xiangming Xiao Peng Li Ying Liu Scott H. Newman

Previous work suggests domestic poultry are important contributors to the emergence and transmission of highly pathogenic avian influenza throughout Asia. In Poyang Lake, China, domestic duck production cycles are synchronized with arrival and departure of thousands of migratory wild birds in the area. During these periods, high densities of juvenile domestic ducks are in close proximity to mig...

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