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aflatoxins are secondary toxic metabolites produced by some aspergillus spp. particularly, aspergillus flavus and a. parasiticus that contaminate food and feed. the objective of this study was to evaluate the contamination of feedstuffs with aspergillus spp. and detect genes involved in the aflatoxin biosynthesis pathway of a. flavus and a. parasiticus isolates. a total of 110 cow feed samples ...

mycoplasma gallisepticum is the most important and infectious mycoplasmosis. it is caused lots of economic losses for poultry's industry of iran. the target of this study is comparison of culture and nested pcr techniques to detect mycoplasma gallisepticum infection of chicken’s from industrial farms in kerman province of iran. 88 isolates received from industrial farms of kerman province of ir...

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Dahu, a small township in northern Taiwan, is famous for its produce of strawberries. Near Dahu, there are some attractions, such as hot springs, native Taiwanese tribes and a national park named Shei-pa. In order to better support more small businesses in this area, the local government is eager to promote an industrial cluster of agriculture and tourism based on the well-developed strawberry ...

China’s agricultural sector faces challenges because most farms are still small scale. China’s policy is to encourage the consolidation of farms and promote farms that are larger in scale. A question that arises is: Are China ’s farms growing? The goal of the present paper is to determine whether large farms in China have emerged or if farms remain small. To meet this goal, we systematically do...

This study was undertaken in order to examine whether any connection existed between the amounts of iron in forage and the sporadic occurrence of scrapie observed in certain parts of Iceland. As iron and manganese are considered antagonistic in plants, calculation of the Fe/Mn ratios was also included by using results from Mn determination earlier performed in the same samples. Forage samples (...

The objective of this study was to determine, via simulation, the premium required for dairy farmers supplying milk with a high concentration of unsaturated fatty acids (UFA) to a dairy processor to equal the operating profit ($/ha) of average farms, under New Zealand conditions. Fifty average farms (AVE farms) and fifty farms that fed an oilseed supplement to dairy cows (UFA farms) were simula...

Understanding the relationship between organizational characteristics of a farm and its environmental performance is essential to support agro-ecological transition farms. This even more important as very few studies on subject have been undertaken there growing diversity forms farms that differ from traditional family model. paper proposes comprehensively integrated approach dairy in Brazil. A...