Contrary to what you hear po, eto ung mga criteria in selecting a replacement gilt (doc, please feel free to add if I miss any):
- as much as possible select not from the first parity (unang batch ng panganak) - mas mainam na kmuha sa sumunod since nagkaron ka ng prob jan sa unang panganak
- mas maganda kung kmuha ng gagawing inahin doon sa 2nd or 3rd parity or if ung anak nya is malaki litter size (this will give you better chances na magiging maganda ung offspring nya at marami kung manganak)
- 2 stages po kc ung selection (weaner stage and growing stage) pumili ng at least 2 during weaning stage and consider ung mga teats (maganda kung 14 ung suso and buhay at pare-parehas ung distance in-between); then during growing stage, you need to select alin sa 2 ung maganda kinalabasan in terms of body and ung hitsura ari nya (normal lng, hindi maliit/malaki and ung dulo hindi xa nakaturo pataas) =)
Just my two cents po.