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Genetics and the Behavior of Domestic Animals


Genetics and the Behavior of Domestic Animals
  • Author : Temple Grandin
  • Publisher : Academic Press
  • Release : 2013-04-22
  • ISBN : 9780124055087
  • Language : En, Es, Fr & De
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Behavior is shaped by both genetics and experience--nature and nurture. This book synthesizes research from behavioral genetics and animal and veterinary science, bridging the gap between these fields. The objective is to show that principles of behavioral genetics have practical applications to agricultural and companion animals. The continuing domestication of animals is a complex process whose myriad impacts on animal behavior are commonly under-appreciated. Genetic factors play a significant role in both species-specific behaviors and behavioral differences exhibited by individuals in the same species. Leading authorities explore the impact of increased intensities of selection on domestic animal behavior. Rodents, cattle, pigs, sheep, horses, herding and guard dogs, and poultry are all included in these discussions of genetics and behavior, making this book useful to veterinarians, livestock producers, laboratory animal researchers and technicians, animal trainers and breeders, and any researcher interested in animal behavior. Includes four new chapters on dog and fox behavior, pig behavior, the effects of domestication and horse behavior Synthesizes research from behavioral genetics, animal science, and veterinary literature Broaches fields of behavior genetics and behavioral research Includes practical applications of principles discovered by behavioral genetics researchers Covers many species ranging from pigs, dogs, foxes, rodents, cattle, horses, and cats

Genetics and the Behavior of Domestic Animals


Genetics and the Behavior of Domestic Animals
  • Author : Temple Grandin
  • Publisher : Elsevier Inc. Chapters
  • Release : 2013-04-22
  • ISBN : 9780128060032
  • Language : En, Es, Fr & De
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Over-selection for production traits has caused animal welfare problems such as feather pecking in hens, tail biting in pigs, and overly aggressive animals. In dogs, over-selection for appearance traits has caused neurological problems such as deafness. Both feather pecking and tail biting may be displaced foraging behaviors, because these behaviors are reduced by providing foraging materials such as straw. Another problem is hunger in broiler breeder hens and breeding sows. Animals that have been selected for rapid growth are also selected for a huge appetite. If breeder animals eat to satiation, they will become obese and have health problems. High-roughage feeds may improve welfare. Researchers suggest that new genetic breeding tools could be used to select against harmful behaviors and still have a productive animal. Breeders must avoid creating animals that will have poor welfare even when they are housed in the best environment.

Genetics and the Behavior of Domestic Animals


Genetics and the Behavior of Domestic Animals
  • Author : Temple Grandin
  • Publisher : Elsevier Inc. Chapters
  • Release : 2013-04-22
  • ISBN : 9780128059951
  • Language : En, Es, Fr & De
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Different tests have been developed for evaluating the temperament of cattle, pigs, and sheep and some studies appear to have conflicting results. This may be due to confusion between the basic emotional systems of fear and separation distress (panic). Methods used for temperament tests can alter results such as how tightly an animal is restrained in a squeeze chute during temperament evaluation. Animals with a more reactive (fearful) temperament will exhibit greater agitated behavioral reactions when suddenly confronted with novel objects. Animals can be habituated to new things but learning is very specific. Habituation to one type of strange object may not transfer to other types of objects. Animals with smaller-diameter leg bones and slender bodies may be more reactive (fearful). Facial hair whorl position is related to a vigilant temperament and it may be more evident in populations with more diverse genetic backgrounds.

Genetics and the Behavior of Domestic Animals


Genetics and the Behavior of Domestic Animals
  • Author : Mark J. Deesing
  • Publisher : Elsevier Inc. Chapters
  • Release : 2013-04-22
  • ISBN : 9780128059982
  • Language : En, Es, Fr & De
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Since the late 1990s there has been a substantial increase in horse behavior genetics research. This chapter reviews recent work in molecular genetics, pre-and postnatal effects on behavior, the relationship between hair whorls and temperament, and lateralization in the nervous system. These factors are critical to understanding individual differences. Advancements in molecular genetics have identified genes associated with novelty seeking and gaited horse traits. Foal “imprint” training procedures are reviewed, and a gentle method for training foals is presented. Finding appropriate methods for reducing fearfulness in horses has important practical implications. High hair whorls are associated with reactivity, but differences are less apparent in calm breeds. Behavioral asymmetry is a fundamental feature of animal brains. Left-eye systems control avoidance behavior and right-eye systems control approach behaviors. An understanding of the cognitive and perceptual abilities is necessary to ensure horses receive proper training, handling, management, and care.

Genetics and the Behavior of Domestic Animals


Genetics and the Behavior of Domestic Animals
  • Author : Temple Grandin
  • Publisher :
  • Release : 1998
  • ISBN : 0122951301
  • Language : En, Es, Fr & De
GET BOOK

Behavior is shaped by both genetics and experience-nature and nurture. This book synthesizes research from behavioral genetics and animal and veterinary science, bridging the gap between these fields. The objective is to show that principles of behavioral genetics have practical applications to agricultural and companion animals. The continuing domestication of animals is a complex process whose myriad impacts on animal behavior are often under-appreciated. Genetic factors play a significant role in both species-specific behaviors and behavioral differences exhibited by individuals in the same species. Leading authorities explore the impact of increased intensities of selection on domestic animal behavior. Rodents, cattle, pigs, sheep, horses, herding and guard dogs, and poultry are all included in these discussions of genetics and behavior, making this book useful to veterinarians, livestock producers, laboratory animal researchers and technicians, animal trainers and breeders, and any researcher interested in animal behavior. * * Synthesizes research from behavioural genetics, animal science, and veterinary literature * Broaches fields of behaviour genetics and behavioural research * Includes practical applications of principles discovered by behavioural genetics researchers * Contains a minimum of scientific jargon