Baby chickens standing on a bottom half slab should not be affected by eggs being dispensed into the same space (see screen shot of the dispenser and slab)
Since 0.16.* there is some inconsistency in this behaviour, as at times they will get 'hit' by the egg, causing them to jump. This has rendered automatic chicken farm designs almost useless.
- relates to
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MCPE-18080 Mobs on Half Slabs Jump When World is Loaded
- Resolved
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MCPE-21164 Mobs killed by lava floating above a bottom slab do not drop anything
- Resolved
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MCPE-17657 Adult Animal / Lava Bug
- Resolved
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MCPE-19735 Player can place top half slab under feet while standing on bottom half slab
- Resolved