Young cattle on large farms and small farms often do not receive the necessary vitamins and minerals, resulting in abnormal growth and development. Next, find out what connections calves need, how to identify their lack. Tell you about the drugs that will help solve the problem.
What vitamins do calves need for rapid growth?
The main vitamins for young cattle are A and D. Their lack or absence leads to irreversible processes, which affect both the overall development and the future productivity.
However, many compounds are poorly absorbed or not absorbed without natural synergists, which are other vitamins. Therefore, it is necessary to give these substances in a complex so that they have a positive effect.
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Required:
- A - accelerate growth, and also improves the protective functions of the immune system;
- D - contributes to the normal development of the backbone, with a lack of rickets.
Auxiliary:
- group B - establish a metabolism in the body, provide energy conversion;
- E - is a synergist of vitamin A, protects cells from oxidation.
Without the necessary vitamins in the body of the calf, destructive processes will begin, which will lead to the emergence of diseases or death. Auxiliary vitamins are also important, but their lack is not capable of leading to the death of the animal, so they are divided into a separate group.Important! A lack of vitamin B is more likely to be encountered by adult representatives of cattle.
Signs of vitamin deficiencies
Vitamin D deficiency:
- lameness, decreased activity;
- the animal licks the walls, various objects, urine;
- calf eats stones;
- gums get inflamed, teeth fall out;
- bones are deformed.
Vitamin A deficiency:
- dry mucous membranes of the eyes, blurred vision;
- growth stops;
- appetite worse;
- inflammation of the respiratory tract mucosa.
Lack of B vitamins: - lack of coordination of movements;
- swelling of the joints;
- indigestion; exhaustion.
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How old and how to give to calves
Consider the dosage and age restrictions when using fortified complexes and drugs.
In powders
Introvit A + VP
It is a water-soluble complex of essential vitamins, minerals and amino acids. It is used for treatment and prevention. 
Composition:
- vitamins A, E, B1, B2, B3, B4, B5, B6, B12, C, H, K3, D3, folic acid;
- amino acids - alanine, arginine, aspartic acid, cysteine, glutamic acid, glycine, histidine, isoleucine, leucine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, valine, lysine, methionine;
- Minerals - sodium chloride, sodium sulfate, ferrous sulfate, magnesium sulfate, manganese sulfate.
The therapeutic dose for calves is 0.5 g per 10 kg of body weight. Preventive dose - 0.5 g per 20 kg. The course is 3-5 days. Drug needs to be dissolved in such amount of water which the animal will drink at a time. The shelf life of the finished solution - one day.
Did you know? Cows feel a change in the magnetic field stronger than a man. For this reason, they may be irritated by television or radio waves.Biomix
Vitamin and mineral supplement for calves in powder form. Used on a regular basis to saturate the feed with the necessary compounds. Used for calves aged 15 days to 6 months inclusive. 
Composition:
- vitamins A, E, D3, B1, B2, B4, B6, B12, H2, niacin, calcium pantothenate;
- minerals - iron, zinc, copper, cobalt, iodine, manganese, selenium, calcium, phosphorus, magnesium;
- excipients - wheat, chalk.
Add to the feed in a dose of 50 g per individual. Supplement given once a day.
Important! It is forbidden to add premix to hot food.
Injections
Introvit
The drug is used for the treatment and prevention of avitaminosis, metabolic disorders. The composition includes the following vitamins: A, B1, B2, B3, B4, B5, B6, B12, H, D3, E, folic acid, methionine, lysine. Calves intramuscularly or under the skin once injected from 5 to 10 ml of the drug. Pre-breeding is not necessary. They are used from six months of age. 
Nucleopeptide
Natural medicinal product based on the spleen of cattle. It is used to increase weight gain, accelerate growth and resistance. Structure: extract of a spleen of cattle.
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Newborn calves are given in a dose of 100-150 ml orally during the first 3 days, or injected subcutaneously at a dose of 0.1-0.2 ml per kilogram of body weight once a day for three days. 
Many owners use antibiotics to solve the problem, which have nothing to do with vitamin-mineral complexes. It is important to solve the problem of lack of substances, and not to worsen the situation with the use of drugs that destroy useful microflora.
Did you know? In calves, the ruminant process begins only after the 20th day of life, so until this point they cannot physically digest food that is rich in fiber.When using high-quality various feed, as a rule, all the necessary compounds enter the body of calves.
