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Crooked front legs
What Causes Long Bone Bowing?
Breeders tend to think that bowing of the legs is genetic, but except for the genetics built in these breeds to grow fast, genetics is seldom the cause.
Fast-growing puppies, especially the heavy breeds, have considerable pressure on the long bones of the legs while they are growing. The scaffolding of protein and cartilage is laid down at the growth plate and that frame work is soft and will bow to pressure. Behind that frame, calcium and phosphorus with other minor minerals use vitamins to make solid bone. Vitamin D gets calcium and phosphorus from the gut into the body, and Vitamin C gets calcium and phosphorus into the bone.
If the diet is short on any of these needed vitamins, minor minerals, calcium or phosphorus, the puppy is slow to calcify while the frame is still being built; soft bones are the result.
Most issues start within five to 12 weeks of age as this is when babies are going through their fast growth stage. Often the breeder reports that the legs look okay in the morning, but by the end of the day, they can see bowing on the front legs. The pressure of romping and jumping all day causes the long bone to bow. With early detection, you can correct this issue with the right vitamin/mineral supplement.
Early Detection and Prevention is Key
The problem with bowed legs is that your baby is growing faster than your diet is allowing.
Put on adult diet (not puppy food) and wean. Some large breeds are still nursing at this five to 12 week stage, and milk is all calcium! A maintenance diet or giant breed diet will not push growth. Limit the protein and slow the scaffolding growth slightly until we catch up. The maintenance diet will not make them thin while treating for a short time; it just doesn’t push them for maximum growth.
Give Breeders’ Edge® Oral Cal Plus at twice the labeled dose, two times a day for three days. Start on Doc Roy’s® Healthy Bones supplement at same time and continue through the growth period. Have the next owner get Healthy Bones before the puppy goes home and ensure that he stays on this supplement for eight months until the growth plates close. We want to prevent reoccurrence of this issue, especially when the puppy is not in your hands to correct.
Feed Healthy Bones twice a day for two weeks and then once a day. We can catch them up by using gel or injectable, then keep them laying Ca/P down with oral supplement! Remember, if you just use Calcium without Phosphorus/Zinc and Vitamin D, C and other minor minerals, the condition will only get worse. Everything must be balanced to correct bone growth; you are just replacing all that is needed to catch up.
Limit exercise until bone is hardened as you want the bone to heal straight, not crooked. Pressure from romping and running bows the long bone while soft. Usually one week does it.
Just like humans, the structure of a dog’s body has a lot to do with its general, overall health. For example, if a human’s legs are bowed out to the side, bowed inward or the spine is curved, we try and do what we can to correct the structure. Bad bone structure often causes pain and other health problems. This is an accepted fact when it comes to the human body. Not everyone thinks of this when it comes to dogs, however. This page gives examples of good and bad body structure in dogs to help you see what to look for when picking out a puppy. This page only gives general information. Check the standard of your breed to see its accepted bone structure.
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