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Volume 59, issue 4
Arch. Anim. Breed., 59, 445–452, 2016
https://doi.org/10.5194/aab-59-445-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 59, 445–452, 2016
https://doi.org/10.5194/aab-59-445-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Original study 01 Nov 2016

Original study | 01 Nov 2016

A multi-population survey on swine feeding behavior with electronic feeding devices

Wenshui Xin1,*, Xinjian Li2,*, Feng Zhang1, Guorong Yan1, Nengshui Ding1, Lusheng Huang1, and Zhiyan Zhang1 Wenshui Xin et al.
  • 1State Key Laboratory for Swine Genetics, Breeding and Production Technology, Jiangxi Agricultural University, Nanchang, 330045, China
  • 2College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China
  • *These authors contributed equally to this work.

Abstract. In this study, we used electronic feeding station observations of pigs to investigate their growth performance and feeding behavior. These pigs were raised in Xinda Livestock Company Ltd. in Henan, China, and followed the Chinese directive for the protection of farm animals. Electronic feeding stations are often used in pig breeding and for identifying loci associated with feed consumption. Moreover, they can also provide much valuable information on pig behavior that could be directly used to improve production efficiency. This study involves three different pig population feeding-intake data from 383 Yorkshire, 243 Landrace and 197 Duroc breeds to investigate their growth performance and feeding behavior. Similar patterns of growth performance (slow–fast–slow) were observed in the three breeds, while the Duroc have a slightly faster average growth rate throughout the whole test period. Study of the number of visits to the feeding station over 24 h detected two peaks of feeding intake activity at 08:00–09:00 and 14:00–15:00. During these two peak feeding times, lower feed intake and less occupation time were observed, implicating fiercer competition at these time periods. The effective intake time for Duroc, Landrace and Yorkshire populations was 19, 16 and 19 min, respectively, suggesting that the ultimate feed intake time for each individual can be set up to 20 min for each visit. Studies on the ADFI (average daily feed intake) showed a significant difference (P value  =  0.000009) between seasons and consistent patterns for these three breeds. The present study provides a detailed survey on pig feed intake behaviors across different populations and feeding seasons.

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In this study, we used electronic feeding station observations of pigs to investigate their growth performance and feeding behavior. The S-shaped pattern of growth performance in three different breeds was observed as well as two peaks in feed intake activity. A lower feed intake and less occupation time in feeding implicate fiercer competition at these two peak times. The effective feed intake times for Duroc, Landrace and Yorkshire breeds were 19, 16 and 19 min, respectively.
In this study, we used electronic feeding station observations of pigs to investigate their...
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