Feeder Use Patterns in Group-Housed Pregnant Sows Fed With an Unprotected Electronic Sow Feeder (Fitmix)

@article{Chapinal2008FeederUP,
  title={Feeder Use Patterns in Group-Housed Pregnant Sows Fed With an Unprotected Electronic Sow Feeder (Fitmix)},
  author={N{\'u}ria Chapinal and Jos{\'e} Luis Ruiz-de-la-Torre and Alba Cerisuelo and Mar{\'i}a Dolores Baucells and Josep Gasa and Xavier Manteca},
  journal={Journal of Applied Animal Welfare Science},
  year={2008},
  volume={11},
  pages={319 - 336}
}
Previous studies on feeder use in group-housed pregnant sows focused on dynamic groups and protected electronic sow feeders (ESF). This study observed 60 pregnant sows, 1st to 8th parity—housed from Day 29 of pregnancy to 1 week before parturition in stable groups of 20 animals, 1 Fitmix feeder per group. Data from 25 nonconsecutive 24-hr feeding cycles showed sows making several visits to the feeder. Literature on conventional ESF indicated shorter daily feeder occupation. Daily feeder… 
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    Using precision feeding as an approach to reduce Lys intake does not interfere with the feeding behavior of growing-finishing pigs, and multivariate analysis indicated that feed consumption rate and number of meals per day are the variables related most closely to pig production results.
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    A detailed survey on pig feed intake behaviors across different populations and feeding seasons is provided, showing consistent patterns for these three breeds.
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    TLDR
    Data obtained from electronic sow feeders during the gestation period were used to investigate feed intake and feeding behaviour traits from 3785 predominantly F1 sows, finding heritability estimates for feed intake traits such as AFI1-AFI7 were not different from zero.
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    References

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    TLDR
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