Kupangitsa kusamalira ziweto zawo kukhala kosavuta, eni ziweto nthawi zambiri amasankha kugula zida zanzeru za ziweto, monga ma feeders odzichitira okha komanso zoperekera madzi mwanzeru. Komabe, zipangizozi kugawana drawback wamba: sangathe kuzindikira bwino chiweto chilichonse, kupangitsa kuti zikhale zosatheka kuonetsetsa kuti chiweto chilichonse chimalandira chakudya choyenera. Pa kudyetsa, ziweto zimatha kupikisana ndi chakudya. …