Animal Husbandry and Domestication: Production, Welfare, and Biological Change

What is the legal definition of livestock in the UK?

Livestock is defined as farm animals regarded as an asset.

How is wildlife defined in the UK?

Wildlife is defined as wild animals collectively.

What does the 1831 Game Act define?

The Game Act defines game as any animal hunted for sport or food.

What is a Social Licence to Operate (SLO)?

An intangible, unwritten social contract that seeks legitimacy for practices perceived to cause environmental or social harms.

Name three obvious animal products.

Meat, milk and milk products, and skins (hides, leather, fur).

What are some less obvious animal products?

Gelatine, insulin, and recombinant bioactive proteins from milk.

What is the origin of the term 'Animal Husbandry'?

Derived from Old Norse 'hūsbōndi', meaning house + bōndi (dweller).

Who is Peter Singer and what concept did he popularize?

Peter Singer developed the concept of animal rights based on utilitarian views.

What is the fundamental principle of equality according to Peter Singer?

The principle of equal consideration of interests, extending moral consideration to nonhuman animals.

What does domestication represent according to Temple Grandin?

An ancient contract where humans provide care for animals in exchange for food and clothing.

What are the intended learning outcomes of the animal husbandry program?

Recognize healthy animals, describe industry structures, and explain domestication.

What is the distinction between wildlife and livestock?

Wildlife refers to wild animals, while livestock are domesticated animals raised for production.

What is the significance of understanding animal husbandry?

It is crucial for optimizing herd health, welfare, and productivity.

What are the implications of animal exploitation in society?

It raises questions about the social contract and societal expectations regarding animal welfare.

What is the role of a clinician in disease surveillance in animal husbandry?

To monitor and manage animal health and disease in livestock populations.

What is the importance of animal welfare in animal husbandry?

Ensuring ethical treatment and humane living conditions for domesticated animals.

What are some examples of animal products derived from fish?

Fish and fish products, including caviar.

What does the term 'animal husbandry' encompass?

The care, breeding, and management of domesticated animals for agricultural purposes.

What is the historical context of animal husbandry?

It is an ancient practice that has evolved but is often considered outdated in modern animal science.

What is the significance of the phrase 'we owe it to animals' in the context of domestication?

It emphasizes the responsibility of humans to provide decent living conditions and humane treatment to domesticated animals.

What is domestication?

A process of social and physical change involving the enfolding of a species into human society and taking responsibility for its husbandry and control over its breeding.

When did the domestication of animals begin?

About 10-20,000 years ago (400-800 human generations).

What are the divergent views on the pathways of domestication?

1. Mastery and dominion by humans, benefiting mainly humans. 2. Mutualism, benefiting both animals and humans. 3. Coercion, where domesticates influenced humans to care for them.

How can archaeologists distinguish between domesticated and wild bovinae?

By analyzing bone size and shape from archaeological sites.

What is an example of physical evidence of early domestication?

Rock art depicting Saharan pastoralists with their pots and cattle.

What does the grave of an occupant with a complete cow and various beads suggest?

It indicates the importance of animal husbandry in mid-sixth century society.

What type of evidence does the Exeter Book of Riddles provide?

Literary evidence of animal husbandry from 10th century Anglo-Saxon England.

What are selective pressures in the context of domestication?

Changing selective pressures on a species, including relaxed mate-finding behavior and new pressures imposed by humans.

What are non-selective evolutionary processes associated with domestication?

Founder effects, genetic drift, and bottlenecks.

What is the founder effect in domestication?

It refers to the situation where original domesticates are a small subset of larger populations.

How does domestication affect skeletal size?

It often leads to an initial reduction in size, making animals easier to manage and allowing them to reach puberty sooner.

What is allometric scaling in relation to domestication?

As linear dimensions increase, dry matter intake increases proportionally, but absorptive capacity and mass requirements increase at different rates.

What are conformational changes in domesticated animals?

Changes such as increased muscling of hindquarters and reduced forequarter development.

How does fat deposition differ between domesticated and wild animals?

Domesticated animals tend to deposit more fat within the muscle and over the muscle, while wild animals deposit fat around the abdomen.

What are the muscle fiber types affected by domestication?

Red Type 1 (slow-twitch) and white Type 2 (fast-twitch) fibers, with selection for muscle mass leading to increased Type 2 fibers.

What variable effects can domestication have on organ size?

Changes in the proportional size of organs, such as the heart, compared to body weight.

How has the diet of domestic dogs changed due to domestication?

Dogs have developed digestive enzyme profiles that allow them to thrive on high-starch diets, unlike their ancestral wolves.

What is directed selection in the context of domestication?

The intentional breeding of animals to enhance specific traits, leading to rapid evolutionary changes.

What is the evolutionary rate measured in darwins?

1 darwin (r) is a phenotypic change equivalent to a factor of e over 1 million years.

What are the typical evolutionary rates for natural populations?

Natural populations typically range from 0.1 to 400 darwins.

What evolutionary rates are observed in livestock performance?

Livestock performance can reach up to 380,000 darwins.

What is the significance of the Domesday Book in animal husbandry?

It serves as a financial and legal document that provides insights into the practices of animal husbandry in historical contexts.

What does the term 'bottleneck' refer to in domestication?

A situation where domestic populations are subjected to intensive culling and disease, reducing genetic diversity.

What are the implications of relaxed selective pressures in domestication?

Some natural behaviors, such as mate-finding, may become less critical, allowing for changes in animal behavior.

What is the relationship between domestication and geographic isolation?

Domesticated populations often experience geographic isolation, leading to genetic drift.

How does domestication affect the efficiency of grazing?

Smaller grazers are generally more efficient than larger grazers, allowing for more animals per unit of space.

What role does fat play in the biology of domesticated animals?

Fat serves as a form of fodder conservation in climates with variable feed availability.