I think your boyfriend is probably right- I noticed a bluish tint to the lump. Vitamin K helps the blood to coagulate- many bunny safe foods contain high levels of vitamin K:
#1: Herbs (Dried and Fresh)
Long used for medicinal purposes, herbs are packed with nutrients and vitamin K is no exception. Dried Basil, Dried Sage, and Dried Thyme all contain the most with 1715μg (2143% DV) per 100g serving, or up to 51μg (64% DV) per tablespoon. They are followed by Fresh Parsley (82% DV per tblsp), Dried Coriander, Dried Marjoram, Dried Oregano, and finally fresh basil with 10μg (13% DV) per tablespoon.
#2: Dark Leafy Greens
Crisp, fresh, and delicious, dark leafy greens are great in a salad or steamed as a side. As a bonus they are also high in calcium. Kale provides the most vitamin K with 882μg (1103% DV) per 100g serving, or 547μg (684% DV) per cup chopped. It is followed by Dandelion Greens (535% DV per cup chopped), Collards, Cress, Spinach, Turnip Greens, Mustard Greens, Beet Greens, Swiss Chard, Broccoli Raab, Radicchio, and finally Lettuce with 62.5μg (78% DV) per cup shredded.
#4: Brussels Sprouts
A delicious side or snack, and reputed for being able to prevent a hang over, brussel sprouts are packed with Vitamin K. 100 grams will provide 194μg (242% DV) of vitamin K, that is 156μg (195% DV) per cup, and 33.6μg (42% DV) of vitamin K in a single brussel sprout.
Click to see complete nutrition facts.
#5: Broccoli
Vitamin K is just another reason to eat everyone's favorite vegetable. Broccoli contains 141μg (176% DV) of vitamin K per 100g serving, that is 220μg (276% DV) per cup, and 52μg (65% DV) in an average spear, or piece, of brocolli.
#8: Cabbage
Eaten cooked or in coleslaw, cabbage provides 76μg (95% DV) of vitamin K per 100 gram serving which is 68μg (85% DV) per cup chopped, and 690μg (830% DV) in a 5(3/4)inch head of lettuce.
Click to see complete nutrition facts.
http://www.healthaliciousness.com/artic ... amin-k.php
Be cautious feeding brassicas (broccoli, kale, mustard greens, cabbage, etc.) because they can cause gas. If she is accustomed to them already, she should be fine.
Also cross reference the herbs for medicinal uses- some may affect her milk or cause contractions.
http://www.anniesremedy.com/chart.php