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Articles 1 - 7 of 7
Full-Text Articles in Comparative Psychology
Stress: What Is It And How Can It Be Quantified?, T. H. Friend
Stress: What Is It And How Can It Be Quantified?, T. H. Friend
International Journal for the Study of Animal Problems
An animal may be considered to be in a state of stress if abnormal behavior or extreme adjustments in its behavior or physiology are necessary in order to cope with adverse aspects of its environment. Methods used to determine if an animal is stressed can be either behavioral or physiological. Behavioral methods may be highly erroneous due to their subjective nature since alterations in behavior do not necessarily prove that an animal is stressed. There is no single measure of stress that can be used in all situations at this time. Every measure must be critically evaluated to ensure that …
Ethology And Laboratory Animal Welfare, James A. Cohen
Ethology And Laboratory Animal Welfare, James A. Cohen
International Journal for the Study of Animal Problems
No abstract provided.
The Psychological Relations Hip Between Dairy Cows And Dairy Cowmen And Its Implications For Animal Welfare, Martin F. Seabrook
The Psychological Relations Hip Between Dairy Cows And Dairy Cowmen And Its Implications For Animal Welfare, Martin F. Seabrook
International Journal for the Study of Animal Problems
No abstract provided.
The Effect Of Stress On Livestock And Meat Quality Prior To And During Slaughter, Temple Grandin
The Effect Of Stress On Livestock And Meat Quality Prior To And During Slaughter, Temple Grandin
International Journal for the Study of Animal Problems
The effects of stress on cattle, pigs and sheep prior to slaughter are reviewed. Long-term preslaughter stress, such as fighting, cold weather, fasting and transit, which occurs 12 to 48 hours prior to slaughter depletes muscle glycogen, resulting in meat which has a higher pH, darker color, and is drier. Short-term acute stress, such as excitement or fighting immediately prior to slaughter, produced lactic acid from the breakdown of glycogen. This results in meat which has a lower pH, lighter color, reduced water binding capacity, and is possibly tougher. Psychological stressors, such as excitement and fighting, will often have a …
A Review Of The Behavioural Mechanism Of Milk Ejection Of The Domestic Pig, David Fraser
A Review Of The Behavioural Mechanism Of Milk Ejection Of The Domestic Pig, David Fraser
Feeding Behavior Collection
The domestic pig has complex nursing and suckling behaviour, consisting of several distinct phases of suckling by the piglets and a characteristic pattern of grunting by the sow. A review of observations and experimental findings suggests cause-and-effect relationships between the different elements of sow and piglet behaviour, and the relationship of the behaviour to milk ejection. Characteristic features of pig nursing and suckling behaviour are interpreted as an adaptation promoting even distribution of milk among a number of precocious litter-mates.
Stress: What Is It And How Can It Be Quantified?, T. H. Friend
Stress: What Is It And How Can It Be Quantified?, T. H. Friend
Sentience Collection
An animal may be considered to be in a state of stress if abnormal behavior or extreme adjustments in its behavior or physiology are necessary in order to cope with adverse aspects of its environment. Methods used to determine if an animal is stressed can be either behavioral or physiological. Behavioral methods may be highly erroneous due to their subjective nature since alterations in behavior do not necessarily prove that an animal is stressed. There is no single measure of stress that can be used in all situations at this time. Every measure must be critically evaluated to ensure that …
Livestock Behavior As Related To Handling Facilities Design, Temple Grandin
Livestock Behavior As Related To Handling Facilities Design, Temple Grandin
International Journal for the Study of Animal Problems
A knowledge of the behavior of different species of livestock as we// as different breeds within a particular species is essential to the proper planning of a handling facility. An optimal facility should incorporate features which minimize stress on the animal and maximize the efficiency of movement from holding pen to slaughter area. Handler awareness of the animals' perception of critical distance flight zone and personal space requirements also reduces problems with balkin; and alarm behavior. Many improvements can be made with relative ease, thus enabling already existing facilities to upgrade their operations.