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Short-term feeding behaviour has a similar structure in broilers, turkeys and ducks.
J A Howie1, B J Tolkamp, T Bley
1SAC, Kings Buildings, West Mains Road, Edinburgh, Scotland. jhowie@aviagen.com
British Poultry Science
|December 17, 2010
Summary
This study quantitatively compared feeding behavior in broilers, ducks, and turkeys using electronic feeders. Despite species differences, their feeding patterns were similar enough for standardized analysis across avian species.
Area of Science:
- Animal Science
- Ethology
- Agricultural Engineering
Background:
- Understanding avian feeding behavior is crucial for optimizing poultry production and welfare.
- Electronic feeders provide a novel method for quantitatively recording feeding patterns in poultry.
- Previous studies have not comprehensively compared the feeding behavior structures across diverse avian species like broilers, ducks, and turkeys.
Purpose of the Study:
- To quantitatively compare the structure of feeding behavior in broilers, ducks, and turkeys.
- To test the hypothesis that feeding behavior structures are similar enough across these species to use the same models for grouping behavior into meals.
- To establish standardized models for analyzing feeding behavior in different avian species and husbandry systems.
Main Methods:
- Utilized electronic feeders to record feeding visits from 3470 broilers, 3314 turkeys, and 480 ducks.
- Analyzed frequency distributions of intervals between feeder visits, differentiating between short (within-bout) and long (between-meal) intervals.
- Employed two methods (truncated log-normal function fitting and analysis of feeding probability over time) to estimate meal criteria.
Main Results:
- Short intervals between visits varied by species due to differences in feeding bout length, re-visits, and drinking likelihood.
- Longer daytime intervals between visits followed a log-normal distribution across all species.
- Meal criteria estimates were consistent between the two methods, with species-specific ranges: broilers (1050–1200 s), ducks (1650–1725 s), and turkeys (1250–1320 s).
Conclusions:
- Despite inter-species variations in meal frequency and intake, the overall structure of feeding behavior in broilers, ducks, and turkeys is highly similar.
- The findings support the hypothesis that common models can be applied to group feeding behavior into meals across these avian species.
- This similarity allows for the development of standardized analytical approaches for feeding behavior in diverse avian species and production systems.
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