Business Commons^™

Ethologic And Economic Examination Of Aviary Housing For Commercial Laying Flocks, D. W. Fölsch, Chr. Dolf, H. Ehrbar, T. Bleuler, H. Teijgeler

Agribusiness Collection

The result of our work shows that appropriate housing is necessary for intensively kept hens and that the housing has to correspond to the vital needs and the nature of the animals.

This is important for two reasons: a) the innate needs of the birds must be satisfied; b) for the proper development of the animal and successful egg production.

The housing facilities should allow the following functional cycles without restrictions:

Social organization: the structuring of a group or unit of animals.

Locomotion: walking, running, fluttering, flying.

Feeding behavior: search for food and water, food and water pecking, ground scratching, …

Psychological Aspects Of Slaughter: Reactions Of College Students To Killing And Butchering Cattle And Hogs, Harold A. Herzog Jr., Sandy Mcgee

Human Health Collection

This study examined the reactions of college students involved in slaughtering cattle and hogs as part of their jobs on a college work crew. The 27 students were surveyed on attitudes containing items toward slaughtering animals and toward different uses of animals. Nineteen were later interviewed. Some aspects of slaughtering were reported to be more bothersome than others. There was a relationship between the amount of experience of the subjects in slaughtering and also their general attitudes toward various uses of animals and their responses to several of the items on the questionnaire. The perceived benefits of the slaughtering experience …

The Behavior Of Confined Calves Raised For Veal: Are These Animals Distressed?, M. Kiley-Worthington

Ethology Collection

The behavior of 12 calves confined in crates was recorded at 1-minute intervals for 12-hour periods. These recordings were made at fortnightly intervals from approximately 2 to 16 weeks of age. In all, 864 hours of observations were recorded.

The activities that were performed and the amount of time spent doing each are outlined. Circadian rhythms were controlled largely by feeding time, although there was a difference between diurnal and nocturnal behavior. Individual calves vaned tn how they adapted to the restricted environment. Individual personality profiles and data on the ontogeny of behavior under these conditions are presented.

At 10 …

Aquaculture--Now, Factory Fish Farming, Michael W. Fox

Aquaculture Collection

"Aquaculture 1983" was the title of a 5-day symposium and industry exhibit held in Washington, D.C., on january 9- 13,1983, sponsored by World Mariculture Society, Catfish Farmers of America, Fish Culture Section of the American Fisheries Society, U.S. Trout Farmers Association, Shellfish Institute of North America, and National Shellfisheries Association. While ecologists, economists, futurologists, and others have touted the virtues and potentials of intensive fish and shellfish farm- · ing, this growing industry in the U.S. may become blighted by the same problems that have come to afflict agribusiness' "factory farming" of crops, livestock, and poultry.

The Canadian Harp Seal Hunt: A Moral Assessment, L. W. Sumner

Hunting Collection

The population of the harp seal, Pagophilus groenlandicus, is divided into three distinct breeding groups, which are centered on the White Sea, the Greenland Sea, and the northwest Atlantic. The last of these three populations, by far the largest, summers in the Arctic waters of Canada and west Greenland. In the autumn the animals in this group begin to migrate southward ahead of the advancing ice pack. By late February or early March, the females reach the breeding grounds off the coast of Newfoundland-Labrador (the Front) and near the Magdalen Islands (the Gulf). They then haul themselves out onto the …