Biotin deficiency is rare, but may manifest as a skin condition or lameness with hair loss and / or cracks in hooves.
information
Biotin is present in most nutrients and its deficiency is unlikely. The role of biotin in nutrition and the changes that occur when it is deficient are not clear. Reports and field studies, however, point to the following associations:
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symptom
Sows, transition and bait
- Lameness throughout the farm or in groups of sows.
- Laminitis
- Soft hooves
- Plantar hemorrhages
- Dark and transverse cracks in the hooves.
- Excessive hair loss
Sows
- Lengthening of the period between weaning and cover.
- Small litters.
- Anoestro
Lactating piglets
- It does not happen
Causes / Contributing factors
- Biotin deficiency in the diet.
- Trauma caused by erosive soils.
Diagnosis
It is based on clinical signs and the fact that it affects the entire farm or groups of animals. Deficiency in biotin can be confused with chronic lesions of swine vesicular disease.
Control / Prevention
- In those cases in which generalized lesions occur, up to 0.5-1 mg / kg of biotin should be added to the diet. The results can take up to 9 months.
- Add biotin to the diet as a routine.
- The occasional lameness caused by soft hooves with dark transverse cracks seems to improve with the biotin supplementation in the diet; an adequate inclusion rate is 100-200 mg / Tm.