نتایج جستجو برای: livestock and poultry hence

تعداد نتایج: 16835336  

2012
Orville L. Bondoc

We have sequenced the DNA barcodes (i.e. cytochrome c oxidase subunit I or COI gene of the mitochondrial genome) of common breeds/strains of farm animals (mammals – buffalo, cattle, goat, sheep, pigs, dogs, and cat; poultry – chickens, quail, turkey, guinea fowl, ducks, geese, pigeons, and ostrich) in the Philippines. DNA was extracted from blood samples. The DNA barcode of the livestock and po...

2014
Zhigang Xu Bryce Holmes

The levels and composition of agricultural dusts are influenced by animal species, production strategy, housing type and ventilation efficiency. Agricultural dust within animal houses is complex and consists of feed particles, microbes and their products, dander, fecal matter, gases, metals and other organic and inorganic components. Livestock and poultry production facilities may be categorize...

Journal: :Nihon Chikusan Gakkaiho 1979

2010
Matias B. Vanotti Ariel A. Szogi Michael J. Rothrock

New waste management methods are needed that can protect the environment and allow manure management to switch back to a recycling view of manure handling. We investigated the use of gas-permeable membranes as components of new processes to capture and recover the ammonia in the liquid manures or in the air of poultry houses and other livestock installations. The basic process includes the pass...

2005
Mindy J. Spiehs

The livestock industry has undergone substantial changes in the past few decades. The poultry, swine, and dairy industries in particular have become increasingly concentrated. This has resulted in fewer, but larger, livestock operations throughout the country. As a result, there has been a growing concern about odor emissions from livestock operations and potential decreased water quality cause...

Journal: :Poultry science 2015
Sandra Diaz-Sanchez Doris D'Souza Debrabrata Biswas Irene Hanning

The development of antibiotic resistant pathogens has resulted from the use of sub-therapeutic concentrations of antibiotics delivered in poultry feed. Furthermore, there are a number of consumer concerns regarding the use of antibiotics in food animals including residue contamination of poultry products and antibiotic resistant bacterial pathogens. These issues have resulted in recommendations...

2000
Thomas Hertel

C hina’s future role in international agricultural trade continues to be a puzzle. Part of this puzzle, namely that related to grains, has received far more attention than has livestock trade, which has been relatively neglected. China is a net exporter of livestock products, although over the last two decades imports have been increasing faster than exports. Figure 1 shows the time path of net...

2007
Susantha Gomis

International Poultry Production — Volume 14 Number 1 Ergot toxicity or ergotism is caused by ingestion of cereal or grass grains infected by the fungus Claviceps purpurea. The toxic agents (alkaloids) are produced by the fungus Claviceps purprea which attacks the embryo of the developing kernel forming a sclerotium, a black tangle of vegetative fungal strands. The sclerotium may contain more t...

Ernest Ogezi Gloria Okoi Dennis Hussaini Yusuf Ibrahim

The study determined the willingness and capacity of poultry farmers to pay for extension services in Nasarawa State, Nigeria. At this research used a sample size of 120 poultry farmers. Simple descriptive statistics, Kuppuswamy scale and Logit regression model were used data analysis. The results showed that majority of the poultry farmers (87.5%) indicated their willingness to pay for extensi...

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