Behavioral syst. and chicken welfare REVIEW

What is dominance in the context of animal social relationships?

A relationship between two individuals over a resource, where one can displace the other

Which of the following is an example of a passive appeasement behavior in dogs?

Belly-up or urinating

What is a potential consequence of removing a kitten from its mother before 6 weeks of age?

The kitten becomes more suspicious and may be fear-aggressive

During a veterinary examination, which behavior in a puppy is likely indicative of FEAR?

Freezing or being passive during handling

What is the normal social group of pigs called?

A sounder

In commercial pig production, what is a common consequence of mixing unfamiliar sows?

Stress and aggression

What is a deference behavior?

A de-escalation behavior or "cut-off" signal to diffuse tension and conflict

What is the sensitive socialization period for kittens?

2-7 or 9 weeks

Which of the following is considered a normal behavior for a puppy?

Resource guarding

Why is it inappropriate to describe an individual dog as "dominant"?

Because dominance describes a relationship over a resource, not an individual's personality

What is the term for behaviors that are meant to reduce threat and are deferential with pacifying signals?

Appeasement behaviors

In the context of pig social behavior, what is "nosing"?

A gentle, social behavior involving nose-to-nose contact or nosing the head or body

. What is a potential consequence of food restriction and feeding all pigs in one area in commercial facilities?

Increased competition and aggression

Which of the following is an active appeasement behavior in dogs?

Nuzzling

According to the notes, what is the recommended age for gentle human handling of kittens to improve socialization?

3-9 weeks

Approximately how many eggs does a commercial egg-laying hen produce per year?

Nearly 300

What is the industry guideline for space allowance per bird in a battery cage?

67 square inches (less than a sheet of paper)

What percentage of U.S. egg-laying hens are still housed in conventional battery cages?

60%

Which of the following is a consequence of high egg production and lack of exercise in battery-caged hens?

Osteoporosis and keel bone fractures

What is included in a "furnished" or "enriched" cage?

A perch, nest box, and sand bath

What is forced molting, and what is its primary welfare concern?

Food restriction for up to 3 weeks to increase egg production; it causes hunger and immune compromise

Why is surgical debeaking a welfare concern?

The beak is filled with nerves, and the procedure causes chronic pain and neuroma formation

Which of the following is a sign of stress in chickens?

A) Piling and hysteria
B) Overdrinking and wet litter
C) Open-mouth breathing and panting

. What is the approximate stocking density for broiler chickens nearing market weight (5 lbs)?

0.7 square feet per bird (slightly larger than a sheet of paper)

What is unique about the growth of broiler chickens compared to historical breeds?

They reach market weight much faster (47 days to 6.3 lbs in 2019 vs. 112 days to 2.5 lbs in 1925)

. Which tendon sometimes spontaneously ruptures in broiler chickens due to rapid growth and heavy body weight?

Gastrocnemius tendon

By 5-7 weeks of age, what percentage of time do broiler chickens spend resting?

76-86%

What condition affects approximately 15-20% of larger broiler birds due to heart function failure from lack of oxygen to tissues?

Ascites and Pulmonary Hypertension syndrome

What is a "telos" in the context of free-range hen welfare?

The ability to behave like a bird and satisfy natural behaviors

Which of the following is a welfare concern specifically associated with broiler chickens' environment?

Artificial near-continuous dim lighting (1-4 hours darkness) to speed growth