Oral Cal Plus (15ml) -- Fast-acting calcium supplement with magnesium (very important combination) that helps stimulate contractions preventing a c-section from uterine inertia. Oral Cal Plus is important to have on hand for emergency drop in calcium level during or after the whelp.
Osteo-Form 50 chewables -- Start these chewable calcium-phosphorus supplements on whelping day and continue throughout nursing to help prevent eclampsia (milk fever).