Today, 12:57 PM
Ok so I see baby nurses overnight, and during the day, and the total is about 6-7 times in 24 hours. So this may be enough but since baby is going so long without eating during the day right now, if you not already doing so, I would suggest consider waking baby when you come home if that is needed in order to get one more nursing session in. Sometimes baby will just nurse without waking as well. If that is not a good time for you to offer, you can try a different time.
... Ok for a 9 hour separation 9 ounces is normal/expected from newborn period on. As baby ages and growth rate slows, baby tends to not be as hungry, so some drop off in that amount around this age would probably just be normal. A more dramatic drop off as you have seen might be related to many things, and my even be temporary. As long as baby continues to nurse lots when you are together this should be fine. You do not mention pumping, but I assume you are continuing to pump at work with the frequency you did before?
For dad, I have a couple suggestions aside try a regular cup. 1, whenever HE (dad) eats, offer baby some of whatever dad is eating. Babies learn to eat by mimicking. It is ok if he does not eat anything, but I think it is important to keep offering. Offering just means putting food on front of baby in a form he can safely eat it. A 9 month old is capable of picking food up and biting and chewing, so while you to not want hard stuff, baby can handle needing to bite and chew as long as...