Surgical management of the supernumerary and fused teat in a cow heifer.
2015
Supernumerary teat (SNT) or hyperthelia is a congenital condition of the dairy cattles. These
interfere in milking and predisposed for mastittis by entry of pathogens. The main teat, being bigger
and conspicuous is quite distinguishable from the supernumerary teat. Physiologically, the
supernumerary teat usually has no duct that connects to the primary mammary gland. In that case,
it is vestigial and non-functional. In some other cases, it may be connected to small glands or even
the main glands, in which case, it yields but small amount of milk compared to the primary or main
teat when suckled (Thomas et al., 2008). In fused teats, skin of two teats is fused together at base
without any involvement of the teat canal or muscle. Fused teats are infrequently seen in the
buffaloes and rarely in the cows. SNT may be useful for teat grafting to restore teat anatomy during
an acute damage to the primary teat tip (Saifzadehet al., 2005).
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