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Monthly, with annual cumulations. Comprehensive, current index to periodical medical literature intended for use of practitioners, investigators, and other workers in community medicine who are concerned with the etiology, prevention, and control of disease. Citations are derived from MEDLARS tapes for Index medicus of corresponding date. Arrangement by 2 sections, i.e., Selected subject headings, and Diseases, organisms, vaccines. No author index.
Vol. 5 includes a separately paged special issue, dated June 1926.
More than ever, Americans care about the quality and safety of the food they eat. They're bringing back an American tradition: raising their own backyard chickens for eggs and companionship. And they care about the quality of life of their chickens. Fresh Eggs Daily is an authoritative, accessible guide to coops, nesting boxes, runs, breeding, feed, and natural health care with time-tested remedies. The author promotes the benefits of keeping chickens happy and well-occupied, and in optimal health, free of chemicals and antibiotics. She emphasizes the therapeutic value of herbs and natural supplements to maintaining a healthy environment for your chickens. Includes many "recipes" and 8 easy DIY projects for the coop and run. Full color photos throughout. The USDA's new study of urban chicken raising sees a 400% increase in backyard chickens over the next 5 years, driven by younger adults.
Animal production systems have changed dramatically over the last two decades. Knowledge of energy metabolism and environmental physio logy has increased as appears from many textbooks on these disciplines. The contents of the symposia on energy metabolism of farm animals show this and they have initially focussed on feed evaluation and later on com parative aspects of energy metabolism. They show part of the progress being made. Application of knowledge of energy metabolism for animals has a long history since Lavoisier. In addition to this, studies about the environ mental requirements of animals have shown that we are still far from ac curate assessment of these requirements in terms of nutrients and ener gy. I n model studies on energy metabolism researchers have recognized the interaction between the environment and the energy requirements of animals. Estimation of energy requirements has been done in physiolo gical, physical and behavioural studies. The impact of conditions as en countered by animals in various production systems has been approached from different viewpoints related to these different disciplines. In addi tion, various kinds of infections (bacterial, parasitic: subclinical, clini cal) have been evaluated only recently with regard to their effect on pro tein and/or energy metabolism and thus on production. People working in the field of feed evaluation have defined how che mical and physical properties of nutrition infiuence energy to be derived for maintenance and production.