How much of the B complex are you giving her and how often?
According to poultryDVM phosphorus dosage for ducks is 0.4% of their diet
Dosage of vitamin D for ducks is 3000 iu/kg
That site only has information for ducks and chickens, ducks like geese have higher nutritional requirements than chickens so when in doubt go with what’s listed for ducks because there isn’t really anything out there for geese.
https://poultrydvm.com/views/feedtable.php
Vitamin D is non water soluble so there are risks of overdose you need to watch for. https://poultrydvm.com/condition/vitamin-d-deficiency
Poultry nutri-drench and rooster booster poultry cell have a lot of D3 so there probably isn’t a need to get individual d3 supplements, they’ll be fine.
Phosphorus supplements are trickier to find so you can encourage her to eat phosphorus rich foods which includes sunflower seeds and pumpkin seeds too.
According to poultryDVM phosphorus dosage for ducks is 0.4% of their diet
Dosage of vitamin D for ducks is 3000 iu/kg
That site only has information for ducks and chickens, ducks like geese have higher nutritional requirements than chickens so when in doubt go with what’s listed for ducks because there isn’t really anything out there for geese.
https://poultrydvm.com/views/feedtable.php
Vitamin D is non water soluble so there are risks of overdose you need to watch for. https://poultrydvm.com/condition/vitamin-d-deficiency
Poultry nutri-drench and rooster booster poultry cell have a lot of D3 so there probably isn’t a need to get individual d3 supplements, they’ll be fine.
Phosphorus supplements are trickier to find so you can encourage her to eat phosphorus rich foods which includes sunflower seeds and pumpkin seeds too.