1. Nature of Human-Animal Interaction (HAI)
Direct and indirect interactions between humans and animals occur through tactile, visual, olfactory, and auditory contact. These interactions can be positive (pleasant), neutral, or negative (unpleasant).
Animals possess a strong memory and are capable of associating certain people or situations with positive or negative past experiences, which influences future interactions.
2. Impact of Negative Interactions
Negative behaviors from handlers, such as hitting, slapping, or making loud noises, induce fear in livestock. Studies demonstrate that negative handling correlates with high stress levels and poor reproductive performance, as shown in experiments with Nellore heifers. Physiological indicators like cortisol levels and the neutrophil-to-lymphocyte ratio highlight the stress response.
3. Positive Interactions and Welfare
Positive interactions, such as patting and gentle vocalizations, improve animal welfare, facilitating entry into milking parlors and reducing defensive behaviors like flinching or kicking during milking. Improved handling is associated with increased milk yield and better reproductive outcomes.
4. Behavioral Models
The Theory of Planned Behavior explains human actions.
Attitudinal factors (product of salient beliefs) result in human behaviors and their intentions
Behavioral beliefs → Attitudes → intention
Normative beliefs → Subjective norms → intention
Control beliefs → Perceived control → intention
Intentions dictate work performance but can also be influenced by opportunity, capacity and willingness. Stockperson training can alter these attitudes and behaviors, leading to better handling practices and improved animal welfare.
Training should target: recognizing the difference b/w positive and negative interactions, understanding animal behavior, fear response and feedback response.
5. Training and Its Benefits
Training stockpeople to recognize positive and negative interactions leads to improved human-animal relationships. Studies on dairy and beef farms show that trained handlers reduce accidents, improve productivity, and lead to better animal welfare indicators. Additionally, the quality of life of stockpeople improves as stress and exhaustion diminish.
6. Specific Examples of Handling in Different Species
Broiler chickens: Proper handling techniques (closed curtains, carefully placing birds in crates, holding around abdomen with contained wings) and setup (height of crates from floor) reduced stress behaviors like agitation and injury.
Pigs: Studies on handling show that positive interactions lead to lower adrenal activity, better weight gain, and improved animal behavior.
Dairy cows: Positive handling correlates with higher milk production and a better response to milking processes.
Case study: Evaluated flight speed, reactivity score, cortisol, and neutrophil to lymphocyte ratio to negative handling (hitting or twisting tail).
Result: Heifers that received high occurrences of NH have high reactivity, defecation, dirtiness in the perineal region, undesirable behavior and accidents. Lower dirtiness score correlated with higher chance of pregnancy.
7. Long-Term Benefits of Training
Training programs in commercial broiler plants have shown sustained improvements in both welfare and product quality (e.g., fewer broken wings). Such training also enhances the stock person's quality of life by reducing stress levels.
1. Importance of Animal Behavior Awareness in Veterinary Practice
Stress, fear, and anxiety in animals can impact diagnostics, treatments, and overall care.
Reducing these negative responses can improve patient welfare, support the human-animal bond, and enhance the accuracy of clinical evaluations.
Emphasis on reducing iatrogenic behavioral injury by using techniques to alleviate animal stress during procedures.
2. Normal Behavior and Sensory Attributes in Dogs and Cats
Dogs: Domesticated social animals, descended from wolves but do not form stable "packs." Their senses include dichromatic vision (blue/yellow), high sound frequency detection, and strong olfactory abilities.
Cats: Predatory and territorial with strong territorial instincts; semi-social depending on environmental factors. Cats are equipped for low-light vision and high auditory ranges, aiding in their role as ambush predators.
3. Body Language and Stress Indicators
Recognizable signs of stress in dogs and cats include changes in ear position, tail movement, vocalization, and body posture. Fear, anxiety, and stress levels may vary and are observed through indicators like pupil size, yawning, or piloerection.
4. Behavioral Learning and Modification Techniques
Classical Conditioning: Pairs a neutral stimulus with an unconditioned stimulus to elicit a conditioned response.
Operant Conditioning: Reinforcement or punishment is used to modify voluntary behaviors.
Desensitization and Counterconditioning: Gradual exposure and rewarding positive responses to previously stressful stimuli to reduce negative associations.
5. Stressors and Low-Stress Handling Techniques
Common stressors in clinics include transportation, unfamiliar smells, handling, and separation from the owner.
Techniques to reduce stress include creating quiet environments, minimal restraint, using food rewards, allowing owner presence, and using sedation when necessary.
6. Enrichment and Welfare Considerations
Enrichment for both dogs and cats is essential for meeting behavioral needs. This includes opportunities for exercise, mental stimulation, and social interactions.
Adherence to the Five Freedoms (freedom from hunger/thirst, discomfort, pain, fear/distress, and freedom to express normal behaviors) is emphasized as foundational for animal welfare.
Equine Senses and World Perception: Horses perceive the world through dichromatic vision, acute hearing, sensitive olfaction, and distinct tactile awareness. They respond to facial expressions of conspecifics and humans and can identify familiar voices and scents.
Social Structure and Natural Behaviors: Horses are social, herd animals with complex behaviors that differ between wild and domesticated settings. They naturally form social bonds, which contribute to their welfare but can lead to aggression if resources are limited in domestic environments. We chose how to house/group horses and need to consider how natural behaviors like resource guarding, foraging, and grazing affect their behavior in domestic settings where stalling, individual housing, meal feeding, and high concentrate (starch/sugar) feeding are common practice.
In environments where food is restricted, domesticated horses may pin their ears and even bite to guard food, which contrasts with natural foraging behaviors.
Horses graze for 16-18 hours in the wild, but domesticated horses with limited grazing may develop stereotypic behaviors like crib-biting or weaving due to restricted access to forage
Equine Welfare and the 3Fs: "Friends, Forage, and Freedom" encapsulate essential needs that influence horses' physiology, behavior, and stress levels. Examples of practices that prohibit these needs:
Social Isolation: Horses kept without companions may exhibit behaviors such as neighing, pacing, or nibbling on bars, showing signs of stress from lack of social interaction.
Limited Forage: When provided limited forage, horses may become restless or develop gastrointestinal issues, with signs like frequent pawing or snorting.
Freedom of Movement: Horses restricted to stalls may develop stereotypic behaviors, like crib-biting or weaving, due to lack of movement and environmental stimulation.
Behavioral Management and Stress Reduction:
Avoiding Labels and Practicing Objectivity: Practitioners should avoid labeling equine behaviors in human terms (anthropomorphism), focusing instead on observable actions to avoid bias and support clear communication with owners. Ex: Practitioners describe a horse kicking its stall door as “frequently striking with its hoof” instead of labeling it as “angry” to maintain objectivity.
Trigger Stacking and Thresholds: Horses may display significant stress reactions when multiple minor stressors accumulate. Maintaining interactions below the horse’s stress threshold can reduce reactivity.Ex: A horse arriving at a clinic after a stressful trailer ride might react severely to minor stimuli due to accumulated stress from previous experiences.
Thresholds: A horse that appears stiff, with wide eyes and ears pinned back, may be under threshold stress; this indicates accumulated stress possibly due to a recent stressful event, like transport or vet visits.
Low-Stress Handling: During veterinary exams, handlers may use calm tones and gentle touch to help the horse stay relaxed and below its stress threshold.
Core mottos: behavior is always occurring, animals are always learning (they decide what is reinforcing or aversive), persistent behavior is being reinforced, focus on what you want, not what you don’t, checkpoints (humane hierarchy/LIMA/LIFE), short term and long term plans
ABC’s of behavior: Antecedent, Behavior, Consequence
Describe behavior
Conditions that occurred immediately before behavior (A)
Consequences that occurred immediately following behavior (C)
Examine antecedents, behavior, consequences in sequence
Devise new conditions/consequences to teach/change behavior
Evaluate outcome
Example: If a horse paws when waiting to be fed, one could identify the antecedent (approach of handler with food), behavior (pawing), and consequence (feeding), suggesting the pawing might be reinforced by feeding
WTF: Ask yourself, What’s The Function of this behavior?
Training Approaches:
Positive and Negative Reinforcement: Positive reinforcement (adding rewards) and negative reinforcement (removing an aversive stimulus) are emphasized for humane handling, with a reminder to use the least intrusive methods.
Examples:
Positive Reinforcement: Rewarding a horse with a treat when it remains calm for a hoof trim can encourage it to tolerate the procedure in future sessions.
Negative Reinforcement: Removing pressure on a lead rope as the horse moves forward encourages it to walk willingly.
Classical and Operant Conditioning: Associating neutral stimuli with positive experiences (classical conditioning) and using reinforcement to shape voluntary behaviors (operant conditioning) are foundational training principles.
Examples:
Classical Conditioning: Pairing the sound of a bucket with feeding times helps horses associate the sound with food, making them more willing to approach handlers.
Operant Conditioning: Rewarding a horse with a treat for touching a target helps shape voluntary target-following behavior useful in training.
Behavior Modification and Proactive Training:
Desensitization: gradually acclimates horses to stressful situations thru exposure. Ex: exposing a horse to the sound of clippers by starting from a distance and slowly approaching can reduce fear responses.
Counterconditioning: changing conditioned emotional response to a stimulus. Ex: Offering treats while a vet approaches can help change a horse's reaction to the previously aversive stimulus of the vet’s arrival.
Identifying Marker/Bridge stimulus: Auditory/tactile/visual cue that determines what's being reinforced
Positive Reinforcement in Training: Using food rewards to encourage calm behavior during injections, as demonstrated by voluntary halter training with foals.