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Full-Text Articles in Life Sciences

Federal Government Assaults Animals On Wildlife Refuges Sep 1983

Federal Government Assaults Animals On Wildlife Refuges

Close Up Reports

The welfare of America's wildlife and refuges is being sold for economic gain and recreational pleasure to hunters, trappers, and commercial developers. To date, there are 414 refuges composed of over 86 million acres stretching from the Arctic to the Florida Keys and from Maine to American Samoa. Almost all of these refuges have been touched in some way by natural gas exploration, predator control, pesticides, and commercial farming, ranching, and lumber industries. Over one half of all refuges are open to either hunting or trapping...or both.

All laws and regulations concerning activities on wildlife refuges stipulate that there must …


Solving The Pet Overpopulation Problem Jun 1983

Solving The Pet Overpopulation Problem

Close Up Reports

Because of the short pregnancies and large litters of dogs and cats, one individual female with all her female offspring reproducing similarly can be the source of over 4,000 new lives within seven years. Some of these animals will find homes complete with laps to sit on and fireplaces to enjoy, but millions of other perfectly healthy dogs and cats won't be so lucky. The overabundance of these potential pets tends to cheapen the intrinsic value of each individual animal in the eyes of the general public. The swelling problem causes some people to use cruel methods of disposing of …


Ld50: A Cruel Waste Of Animals Mar 1983

Ld50: A Cruel Waste Of Animals

Close Up Reports

Imagine a test in which up to 100 animals are forced to consume a toxic substance in an amount high enough to kill half of them. Then imagine that the explicit purpose of the test is to kill those animals. Incredibly, such a test not only exists but each year also claims the lives of from two to four million animals.

The test is the lethal dose 50, or LD50 as it's commonly called. Its purpose is to measure the toxicity of a substance by determining how much of that substance will kill half of a group of some 60-100 …


Optimal Foraging Theory And The Psychology Of Learning, Alan Kamil Jan 1983

Optimal Foraging Theory And The Psychology Of Learning, Alan Kamil

Avian Cognition Papers

The development of optimization theory has made important contributions to the study of animal behavior. But the optimization approach needs to be integrated with other methods of ethology and psychology. For example, the ability to learn is an important component of efficient foraging behavior in many species, and the psychology of animal learning could contribute substantially to testing and extending the predictions of optimal foraging theory.


Environmental Psychology And Great Ape Reproduction, Terry L. Maple Jan 1983

Environmental Psychology And Great Ape Reproduction, Terry L. Maple

Zoos and Aquariums Collection

At the 1980 Great Ape Infertility Workshop, we concluded that "physical and social environments must be improved if not optimized if great apes are to reproduce satisfactorily ... " In 1982, the trend toward improvement continues and there are some promising signs that reproduction has been enhanced as predicted. The problem of designing and evaluating captive environments which will facilitate interaction, reproduction, appropriate parenting, and socialization is well within the scope of Environmental Psychology. I intend to illustrate the promise of this applied research field in the remarks that follow.


Abundance And Distribution Of Large Mammals In The Upper Ogun Game Reserve, Oyo State, Nigeria, T. A. Afolayan, K. R. N. Milligan, S. O. Salami Jan 1983

Abundance And Distribution Of Large Mammals In The Upper Ogun Game Reserve, Oyo State, Nigeria, T. A. Afolayan, K. R. N. Milligan, S. O. Salami

Nature Collection

In this study, three indirect methods [counts of animal droppings, footprints, and tracks) were used as indices to estimate the abundance and distribution of large mammals in the Upper Ogun Game Reserve, which is located in a typical Southern Guinea savanna zone of Nigeria. Thirteen animal species were recorded; kob, bushbuck, hartebeest, roan antelope and duicker were the most abundant. The distribution of large mammals appears to be controlled by several factors: accessibility to the River Ogun [the main source of water in the reserve), availability of food and cover, and the extent of illegal hunting.

An analysis of questionnaires …


Biological Control Of Aleutian Island Arctic Fox: A Preliminary Strategy, Edward W. West, Robert L. Rudd Jan 1983

Biological Control Of Aleutian Island Arctic Fox: A Preliminary Strategy, Edward W. West, Robert L. Rudd

Hunting Collection

No abstract provided.


Selecting A Spay/Neuter Program For Animal Control In The City Of Charlotte, Diane Quisenberry, Mary Elizabeth Clapp Jan 1983

Selecting A Spay/Neuter Program For Animal Control In The City Of Charlotte, Diane Quisenberry, Mary Elizabeth Clapp

Hunting Collection

The City of Charlotte, NC, in attempting to determine the best kind of program for reducing its increasing populations of unwanted dogs and cats, examined a full range of possible options for limiting these populations. Five measures for population control were considered: spay/neuter surgery, euthanasia, physical restraint, mechanical contraception, and chemical contraception. It was concluded that a spay/neuter program that incorporated educational and legislative components would be the most effective means of large-scale population control, although other methods like euthanasia would still have to be used. Based on a survey of a number of cities with spay/neuter programs in place, …


Too Much Of A Good Thing: Protein And A Dog's Diet, Dana H. Murphy Jan 1983

Too Much Of A Good Thing: Protein And A Dog's Diet, Dana H. Murphy

Pets Collection

Where the analysis done by Kronfeld on stress in dogs goes awry is in its implication that this conversion of protein reserves occurs during a mild or transient period of emotional turmoil. In point of fact, catabolism of proteins only begins after an extended duration of severe stress, as a consequence of an extreme condition like a long sled race or a bad infection. Therefore, a mildly stressed animal probably needs carbohydrates (and perhaps fats) far more than supplemental protein, since the former can be quickly and easily converted into bodily fuel. And in the case of the stress induced …


Thoughtful Use Of Animals, Hyram Kitchen Jan 1983

Thoughtful Use Of Animals, Hyram Kitchen

Experimentation Collection

As part of a symposium held in Cincinnati entitled, "Ethical Issues Related to the Use of Research Animals," I was asked by the program director to consider whether further legislation regarding the use of animals might be necessary to ensure more thoughtful use of animals at universities. The following is my response.


The North American Black Duck (Anas Rubripes): A Case Study Of 28 Years Of Failure In American Wildlife Management, John W. Grandy Jan 1983

The North American Black Duck (Anas Rubripes): A Case Study Of 28 Years Of Failure In American Wildlife Management, John W. Grandy

Conservation Collection

A scientific and technical analysis is presented of the factors which may have been primarily responsible for an estimated 60% decline in the black duck (Anas rubripes) population since 1955. The analyses presented show that the U.S. Fish and Wildlife Service (FWS), the management agency responsible for waterfowl management in the United States, has recognized the population decline, that the FWS's own experts have consistently recognized that hunting is the most likely cause of the population decline, and that hunting is the only mortality factor which wildlife managers can control in the practical sense. Using FWS information, the author shows, …


Review Of Literature On Use Of T-61 As An Euthanasic Agent, Laura Dalia Barocio Jan 1983

Review Of Literature On Use Of T-61 As An Euthanasic Agent, Laura Dalia Barocio

Veterinary Science and Medicine Collection

The tools of evaluating the degree of distress in animals being killed include electroencephalography (EEG), electrocardiography (ECG), and measurement of blood pressure and respiration. Sound clinical and behavioral observations should also not be abandoned in the evaIuation process.

There are many methods which may be employed to reach the same end results, but the ideal method should satisfy several criteria: 1. It should be painless; 2. It should cause unconsciousness instantaneously and death within minutes; 3. It should not cause undue anxiety, alarm, fear, panic, behavior, struggling, vocalization, muscle spasms or clinical signs of automatic activation (e.g., convulsions) before unconsciousness; …


Aquaculture--Now, Factory Fish Farming, Michael W. Fox Jan 1983

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.


Effects Of Moose, Alces Alces, On Aquatic Vegetation In Sibley Provincial Park, Ontario, D. Fraser, H. Hristienko Jan 1983

Effects Of Moose, Alces Alces, On Aquatic Vegetation In Sibley Provincial Park, Ontario, D. Fraser, H. Hristienko

Feeding Behavior Collection

The effect of Moose (AIces aIces) on aquatic vegetation was studied in Sibley Provincial Park, Ontario. Two small exclosures were built in preferred feeding lakes to protect vegetation from Moose. Both exclosures developed a dense growth of plants. In one, species palatable to Moose were much more abundant than in unprotected areas. The other lake supported very little vegetation outside the exclosure. Aquatic vegetation in a large preferred lake underwent a series of changes from the 1960's to 1980. Nuphar variegatum and Potamogeton filiformis largely disappeared, leaving the lake sparsely vegetated in some years and dominated by annuals in others. …


Whaling Ban Threatened Jan 1983

Whaling Ban Threatened

Close Up Reports

A handful of countries, serving only their own greedy self-interests at the expense of the world's few remaining great whales, are threatening to sabotage the only hope of survival left to these magnificent creatures. Japan, the U.S.S.R., Norway, and Peru have filed formal objections with the International Whaling Commission (IWC) to that body's landmark decision to ban commercial whaling as of 1986. Iceland, Brazil, and South Korea, the world's other whaling nations, may join this infamous quartet and add their own objections before the filing deadline in 1983. Unless animal-welfare proponents act decisively now, years of negotiation and scientific inquiry--and …


Psychology And Its Animal Subjects, Kenneth J. Shapiro Jan 1983

Psychology And Its Animal Subjects, Kenneth J. Shapiro

Experimentation Collection

By way of introducing Psychologists for the Ethical Treatment of Animals (PsyETA) to readers of the journal, I have been asked to make some comments about the organization and, from a personal point of view, to suggest some of my own positions and views.


Occlusion Of Vision In Old English Sheepdogs, Michael W. Fox Jan 1983

Occlusion Of Vision In Old English Sheepdogs, Michael W. Fox

Veterinary Science and Medicine Collection

The show standards established for many breeds of dogs have been linked with a number of genetically related abnormalities that can result in unnecessary suffering. The facial skin folds and shortened face of bulldogs, which respectively lead to chronic dermatitis and respiratory difficulties, are two dramatic examples. Likewise, ear-cropping is an ethically questionable mutilation that conveys no benefit upon the dog. Another serious welfare concern relates to a practice that is common among owners of Old English sheepdogs and other breeds with long facial hair: allowing the hair to cover the animal's eyes. This feature is considered a desirable show …


Feral Dogs Of The Galapágos Islands: Impact And Control, Bruce D. Barnett, Robert L. Rudd Jan 1983

Feral Dogs Of The Galapágos Islands: Impact And Control, Bruce D. Barnett, Robert L. Rudd

Ecology Collection

Organisms introduced onto insular ecosystems, after they have become established, frequently increase to destructive numbers. Several species of mammals introduced onto the Galapagos Islands illustrate this ecological axiom. For example, domestic dogs intentionally introduced now exist as three major types: domestic, free--ranging or pariah, and feral. Problems derived from their presence are most apparent on the islands of Santa Cruz and lsabela. Feral and pariah dogs are both scavengers and predators. While other introduced mammals (chiefly feral cattle and pigs) have served as prey, in recent years severe depredations on the unique endemic Ga/apagan fauna have been caused by the …


The Effects Of Ethostasis On Farm Animal Behavior: A Theoretical Overview, A. F. Fraser, M. W. Fox Jan 1983

The Effects Of Ethostasis On Farm Animal Behavior: A Theoretical Overview, A. F. Fraser, M. W. Fox

Ethology Collection

The solution of animal problems that occur on the farm requires a holistic and multidisciplinary orientation and analysis, as well as the acquisition of new investigatory tools by both veterinarians and animal scientists. Field studies may be modeled under more controlled laboratory conditions, but the most relevant investigations must take place on the farm, and the first level of analysis should be ethological. Domestic animal behavior can be monitored and quantified like any other factor in the animals' environment; yet it has been virtually ignored in the development of new livestock husbandry systems.

The relationships between husbandry systems, disease problems, …


A Survey Of Animal Behavior-Related Research And Teaching Activities In North American Agricultural And Veterinary Medical Colleges, W. R. Stricklin Jan 1983

A Survey Of Animal Behavior-Related Research And Teaching Activities In North American Agricultural And Veterinary Medical Colleges, W. R. Stricklin

Ethology Collection

A letter questionnaire was used to survey animal behavior-related research and teaching efforts in U.S.A. and Canadian university animal sciences departments (agriculture) and veterinary medical colleges. The objectives of the eleven questions of the survey were to identify behavior workers and to determine the current and planned levels of emphasis on research and teaching activities in domestic animal behavior. During 1981, questionnaires were mailed to 162 deans and chairmen, and 102 were answered and returned. Twenty-three persons were identified as having appointments specifically or primarily in animal behavior, and 99 persons were identified as having appointments that had some responsibilities …


Prostaglandin F2a Induced Nest Building Behavior In The Non-Pregnant Sow, And Some Welfare Considerations, Judith K. Blackshaw Jan 1983

Prostaglandin F2a Induced Nest Building Behavior In The Non-Pregnant Sow, And Some Welfare Considerations, Judith K. Blackshaw

Agribusiness Collection

Nest building behavior, induced with intramuscular injections of prostaglandin F2a (PGF2a), was studied in non-pregnant sows. Acute effects, which included salivation, scratching, vomiting, defaecation and ataxia, were also recorded. Sows (Large White x Landrace) were housed in two different environments; six sows in bare pens and six sows in pens provided with bedding material. In all cases except one (bare pen) nest building sequences of differing intensities were recorded. Welfare suggestions include questioning the justification of using a drug (PGF2a) in pig husbandry, which has unpleasant acute effects, and the suggestion that the provision of …


Genetic Adaptation And Welfare, J. Van Rooijen Jan 1983

Genetic Adaptation And Welfare, J. Van Rooijen

Genetics Collection

Beilharz says: "The evolutionary processes, if they are not obstructed or misdirected, must lead to such a degree of adaptation that welfare will have to be taken for granted, just as we can do no better than to take for granted the welfare of any wild animal in its natural habitat." From this statement, one might conclude all we have to do is wait, and the animals will eventually adapt to intensive systems. Concerning animals put into new kinds of environments, he states that, if individuals do not have the capacity to adjust phenotypically, "adaptation of the population will require …


The Ld50--The Beginning Of The End, Andrew N. Rowan Jan 1983

The Ld50--The Beginning Of The End, Andrew N. Rowan

Experimentation Collection

Measurement is very important in science. Early lessons in the science classroom involve teaching students to measure lengths, volumes, weights, specific gravities and anything else within the mental and economic compass of the teacher. At the same time, the question of significance is drummed into the students' heads. Thus, if one has a meter-rule which is subdivided into centimeters (but not millimeters), one is taught that the measurement of its length to one decimal point (for example, 10.3 em) is acceptable, but that the addition of any more figures (for example, 10.325 em) is mere braggadocio. The eye can only …


Vivisection And Misanthropy, George P. Cave Jan 1983

Vivisection And Misanthropy, George P. Cave

Experimentation Collection

Goodman recognizes that it is reasonable to question whether all experiments performed on animals really contribute to human welfare, and he even concedes that the use of animals in laboratories "could no doubt be reduced further without harm to humankind." On the other hand, it is quite clear that he is completely unaware of the sheer quantity of absolutely worthless experiments currently being conducted, ,and that he subscribes to the popular misconception, deliberately perpetrated by the research establishment, that animal experimentation is coextensive with biomedical research, thereby contributing directly to human welfare through the conquering of disease. Furthermore, Goodman seems …


The Potential Role Of Local Ethical Committees In The Moderation Of Experiments On Animals In Britain, D. P. Britt Jan 1983

The Potential Role Of Local Ethical Committees In The Moderation Of Experiments On Animals In Britain, D. P. Britt

Experimentation Collection

Scientists working with laboratory animals in Britain are made aware forcibly that a serious ethical dilemma surrounds the use of animals in experiments. Certain vociferous sections of the community press the issue on the attention of the general public and media sources tend to propagate views expressed by the most extreme parties, while neglecting coverage of mature, rational opinion. It is, perhaps no bad thing for the scientific community to be frequently reminded to take a responsible attitude to the use of animals but recent overt, even illegal, activity on the part of extremist animal protectionist groups has encouraged a …


Stray-Dog Control In Cyprus: Primitive And Humane Methods, Kyriacos Polydorou Jan 1983

Stray-Dog Control In Cyprus: Primitive And Humane Methods, Kyriacos Polydorou

Hunting Collection

In Cyprus, a dog control scheme was started in 1971 within the context of an all-inclusive anti-echinococcosis campaign. At the time, it was estimated that there were more than 100,000 dogs in the island, almost all of which were strays (even many of those that were purportedly "owned"]. These had been identified as infectious agents of echinococcosis in Cyprus (the average surgical incidence in humans, over the 30-year period prior to 1970, was 12.9/100,000]. The destruction of stray dogs is accomplished by using guns that fire a syringe containing a euthanizing drug. In the past (prior to 1970), various inhumane …