Agricultural Field Experiments by Roger G. Petersen

By Roger G. Petersen

This article offers statistical and biometrical methods for designing, accomplishing, examining and analyzing box experiments. It addresses crucial examine themes in agriculture, together with agronomy, breeding and pasture trials; farming platforms study; and intercropping study.

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Of the few primates used in biomedical research, approximately 210 baboons and 120 vervet monkeys have been utilized annually in 17 facilities nationwide. In 18 INTERNATIONAL PERSPECTIVES the last 21 years, there has been a 81% decline in the use of baboons and a 88% decline in the use of vervet monkeys. SUPPLY OF NONHUMAN PRIMATES Over the last 3 years, about 3% of baboons and 60% of vervets were captive bred, and the rest were caught from the wild. Presently only one facility systematically breeds African NHPs (vervet monkeys) for research.

Available census data clearly indicate that both rhesus and bonnets procured from urban settlements can be used after appropriate quarantining and hence can be made available for biomedical research. If this approach is not implemented soon, there will be disastrous consequences. In this connection, it is pertinent to quote one of the famous conservation biologists in India, Iqbal Malik (1999): In India, three primate species in particular are strongly commensals, namely the bonnet macaque (Macaca radiata), the hanuman langur (Semnopithecus entellus) and, of course, the rhesus (Macaca mulatta).

Permits to catch the second class protected species of primates from the wild must be issued by wildlife management authorities in the province, who often refuse because they are endangered in the provinces. In addition, because the price of monkeys from PCBFs is quite high for many Chinese researchers, some research institutes breed primates themselves to support their biomedical research. 42 INTERNATIONAL PERSPECTIVES TABLE 2 The Captive Breeding and the Exportation of Rhesus Macaque (Macaca mulatta) and Crab-eating Macaque (Macaca fascicularis) for Biomedical Research in China in 2001a Province and Captive Breeding Farm Totalb Total in China 19888/46932 Beijing 4463/2754 Shared Animal Health & Technology (Beijing) Co.

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