Kulathupuzha unit was established in 1974. It has a capacity to house 75 adult and 30 growing bulls. The station is situated in the Kollam district, 60 km north east of Thiruvananthapuram at 150 m above MSL in an area of 38 ha.   Kulathupuzha unit also accommodates a Regional Semen Bank distributing frozen semen and LN to the districts Thiruvananthapuram and Kollam. Five officers, 9 staff and 40 permanent workers headed by the Manager (AH), run the unit.  The unit has the infrastructure required for the annual production of about one million doses of frozen semen.   Apart from the bulls and the semen processing laboratory, the farm maintains a good nursery of garden plants, a live herbarium of tropical fodder grasses and legumes, a coconut garden and avenues flanked by mango, jack and cashew trees. A sale depot for frozen semen sale to agencies outside the state is also operating from this unit.