rearing cost
31Biological pest control — Biological control of pests in agriculture is a method of controlling pests (including insects, mites, weeds and plant diseases) that relies on predation, parasitism, herbivory, or other natural mechanisms. It can be an important component of… …
32Medical analysis of circumcision — Numerous medical studies have examined the effects of male circumcision with mixed opinions regarding the benefits and risks of the procedure. Opponents of circumcision say it is medically unnecessary, is unethical when performed on newborns, is… …
33aggressive behaviour — Any action of an animal intended to injure an opponent or prey animal or to cause an opponent to retreat. Aggression may be caused by various stimuli. Within its own group, an animal must display aggressive postures to maintain its position… …
34Johnstone — 1) JOHNSTONE, a parish, in the county of Dumfries, 9 miles (S. by E.) from Moffat; containing 1072 inhabitants. It is generally supposed that the name of this place was derived from some ancient and important personage of the name of John,… …
35FAMILY, AMERICAN JEWISH — Introduction Any discussion of American Jewish family life as an institution must view it within the context of contemporary American social, economic, and political life. All contemporary American Jews are Jews by choice in that their… …
36ARAB POPULATION — GENERAL SURVEY Under the British Mandate, 1917–48 In 1917, at the time of the British conquest of Palestine during World War I, the country s Arabic speaking population numbered less than 600,000 persons; in 1947 it was estimated at 1,200,000.… …
37Polyamory — Polyamorous redirects here. For the Breaking Benjamin song, see Polyamorous (song). The infinity heart is a widely used symbol of polyamory.[1] …
38Psychohistory — is the study of the psychological motivations of historical events. It combines the insights of psychotherapy with the research methodology of the social sciences to understand the emotional origin of the social and political behavior of groups… …
39Factory farming — A commercial chicken house raising broiler pullets for meat …
40Educational attainment in the United States — The educational attainment of the U.S. population is similar to that of many other industrialized countries with the vast majority of the population having completed secondary education and a rising number of college graduates that outnumber high …
