ea ioseba valencia,luismiguel armendariz, anton pascual, xabier archanco y iosu zuñiga
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TRANSCRIPT
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THE INFLUENCE OF FEEDERS TYPE AND THE METHOD OF GROUP ALLOCATION IN PIGLETS GROWTH
Valencia Urdín, JosebaPascual Guzmán, AntónArchanco Urroz, Xabier
Armendáriz López, Luismiguel
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INDEX INTRODUCTION OBJETIVES MATERIAL AND METHODS RESULTS DISCUSSION
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INTRODUCTION After weaning piglets growth is stopped
1- Change: suckled ate fodder
2- The aggressiveness between the piglets
Reduced spaces and mixed piglets from different litters, higher aggressiveness
The voluntary food intake is stimulated when piglets eat with water.
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Littermate Non-littermate
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“Wet and dry” single-space feeders Multi-space feeders “Dry” single-space feeders
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In single-space feeders decrease the fightings
Most secure and less fights, we think that more food are intake
Disadvantages of the single-space feeders is that more food is wasted.
Piglets are weighted and the food intake is measured weekly.
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OBJETIVES Observing the differences in piglets growth
among:
The differents types of feedders
The differents types of group allocation
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MATERIAL AND METHODS
Piglets with 30 days and 9 kg were housed in groups of nine.
Six kinds of groups were studied: “Wet and dry” single-space feeders with littermate
piglets. “Wet and dry” single-space feeders with mixed litter
piglets. “Dry” single-space feeders with littermate piglets. “Dry” single-space feeders with mixed litter piglets. Multi-space feeders with littermate piglets. Multi-space feeders with mixed litter piglets.
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Four weeks:
The two first weeks different diet for the two following weeks
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RESULTS1) In the first week “Wet and dry” single-space
feeders less growth than “dry” single-space feeders and multi-space feeders.
2) Multi-space feeders more food intake than a single-space feeder.
3) But the differences in intakes between pens were high too because of other causes.
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DISCUSSION “wet and dry” single-space feeders eat more
doesn’t increase piglets growth
Single-space feeders and multi-space feeders have similar growth.
There are two possibilities that explain:1- Complicated interaction between piglets and feeders. 2- Older pigs are more receptive to different forms of feeding
than piglets.
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Few hours, vigorous fights Non-littermate piglets
After 48 h., occasional fights.
Piglets than littermates haven’t fights Non-littermate piglets, growth faster in the first 14 days
than littermate piglets
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No differences between “wet and dry” and “dry” single spaces feeders.
Non-littermate piglets fight more and intake more food than littermate piglets.