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Calf training for loading onto vehicle at weaning.
1National Institute of Livestock and Grassland Science, Nasu-shiobara, Tochigi, Japan. shakecat@affrc.go.jp
Animal Science Journal = Nihon Chikusan Gakkaiho
|November 7, 2012
Summary
Calf training at weaning significantly improves loading efficiency and reduces calf stress. Trained calves loaded faster and balked less, indicating better handling and reduced physiological stress responses.
Area of Science:
- Animal behavior and welfare
- Livestock management
- Applied animal science
Background:
- Loading livestock onto trailers can be a stressful and inefficient process for both animals and handlers.
- Early life experiences, such as during weaning, can have lasting impacts on animal behavior and trainability.
- Understanding effective training methods is crucial for improving animal welfare and operational efficiency in livestock farming.
Purpose of the Study:
- To investigate if specific calf training protocols implemented during the weaning period enhance subsequent loading performance.
- To quantitatively assess the impact of early training on loading efficiency, handler effort, and calf stress levels.
- To determine the long-term benefits of weaning-period training on animal handling and welfare.
Main Methods:
- Five calves were assigned to a trained group, receiving 5 days of rope-led loading with positive reinforcement (sugar cubes).
- A control group of five calves underwent weaning without specific loading training.
- Loading efficiency, handler heart rate, and calf physiological stress indicators (heart rate, cortisol, NEFA, CPK) were measured five weeks post-weaning during loading tests.
Main Results:
- Trained calves demonstrated significantly faster loading times and exhibited less balking behavior compared to the control group.
- Handler heart rates were significantly lower post-loading in the trained group, although salivary markers did not differ.
- Calves in the control group showed significant increases in heart rate, plasma cortisol, NEFA, and CPK post-loading, unlike the trained group.
Conclusions:
- Early-life calf training, specifically focused on loading procedures during weaning, significantly improves loading efficiency.
- This training method effectively reduces physiological stress responses in calves during handling and loading.
- Implementing targeted training protocols during weaning offers a practical strategy for enhancing livestock welfare and management outcomes.
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