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The article presents a list of books related to science. It includes "Comparative Nutrition of Man and Domestic Animals," Vol. 2, by H. H. Mitchell, "Biochemistry of Semen and of the Male Reproductive Tract," by Thaddeus Mann, "Taxonomic Biochemistry and Serology," edited by Charles A. Leone, "An Introduction to Animal Biology," 6th Ed., by Dale C. Braungart and Rita Buddeke, "Watchers, Pursuers, and Masqueraders: Animals and Their Vision," by Edith Raskin, and "The Biochemical Aspects of Hormone Action," edited by Albert B. Eisenstein.

This paper gives an insight into the economy and psychology of an important culture group in southwest Louisiana through observations of their treatment of the stock of farm animals that are vital to their existence. The caste system of the animals, of course, is that imposed upon the stock by man and is an expression of the types of treatment which he accords the individual animals. The system reveals practices prompted by motives far more sociological and psychological in nature than economic and scientific. It also shows the culture heritage to be a powerful factor and that many folkways have extended well into the period in which we consider our agricultural system to be dominated by that great leveler, modern education. [ABSTRACT FROM AUTHOR]

The article discusses the efficacy, utility and safety of antibiotics in animal feeds and animal production. According to the author, the most important uses of antibiotics are for the promotion of growth, improvement of food utilization and prevention of disease. The author adds that growth-promoting effects by antibiotics are produced in young farm animals. The author also discusses a brief history of the use of antibiotics in animal feeds, the etiology of infectious resistance, and reasons for the continued effectiveness of antibiotics in animal feeds.

The article deals with thermal pollution as a descriptive term for unwanted heat energy accumulating in any phase of the environment in the U.S. Accordingly, some of the important problems faced by people are ecological problems arising from the unrestrained growth of the human population and the resultant increasing strains being placed on the earth's life support system. Thus, the physical labor performed by man and the work done by domestic animals are also means of utilizing the solar energy that keeps the atmosphere and hydrosphere in motion. There are available resources of energy that man can use without raising the average temperature of the earth, but the use of fossil fuels or nuclear or thermonuclear reactions will raise the temperature.

The environment, behavior and disease patterns of man and his domesticated animals have changed rapidly in the United States during the past 30 years. The net effect is that men are becoming more like animals and animals are becoming more like men. [ABSTRACT FROM AUTHOR]