Furthermore, there are also some new residents called Langbin pigs: these are a close relative of the spotty Lanyu pig, which though having entirely white bodies, scholars don't classify as albinos. Their whiteness is from a recessive whiteness gene discovered by the TLRI within the spotty Lanyu pig's subdominant spottedness genes.
此外，還有幾隻名叫「朗賓」的新房客，算是花斑豬的近房表親，雖然全身都是白色，但不喜歡被叫作「白子」；牠們的白，是畜試所人員從花斑豬的花色次顯性基因裡，進一步找出來的白色隱性基因。