This depends on when you first put the calf on the bottle. But mainly, it'll be a few months that a calf goes from being dependent on the bottle to being fed as a feeder calf.
When a calf suddenly stops eating from the bottle this is an indication that the calf may be ill. The calf should be showing other signs such as coughing or wheezing (pneumonia or cold), cloudy eyes are also an indication for pneumonia. For further diagnostic, contact your veterinarian to determine what is the problem and how to administer the necessary medicine.
He should be weaned at around 3 to 4 months of age.
No. This is too early to wean a calf. If it's on the bottle, it should be weaned at around 3 to 4 months of age.
A young bottle-fed calf should be fed every three to four hours. When they get around a week old, it should be increased to 8 to 12 hours between feedings.
A deacon calf is a new born calf that is taken from its mother and bottle fed a milk substitute.
Feeding a calf, especially feeding it milk replacer from a bottle or bucket.
Then you gotta bottle feed the calf yourself until you can get the cow to accept her calf.
You can get a bottle calf for sale from local Internet classifieds like kijiji.com or craigslist, from a local dairy farm or purchased from a local auction market that are selling bottle dairy calves.
3 months
Sub Q (under the skin) in the neck with a needle and syringe. Look on the bottle to calculate the dosage for your calf: it should be on a cc (or mL) per 100 lb basis.
What breed is the cow? What size is the calf? How old is the calf? These are all factors that determine whether the calf is full enough drinking from two quarters, or whether the other two quarters may be infected with mastitis and the cow won't let the calf suckle the other two quarters; or the calf's just a newborn and/or is a small calf, and the cow is producing too much milk for such a small calf.