tender for collection of rates for different items for construction of pig breeding farm in various places in north bengal. , gestation crates complete , complete farrowing units with crate, slatted floor, feeder/drinker and creep heat , heavy-duty boar stalls , nursery pen modules, approx. 25 weaners/module , 300 kg digital livestock weighing scale with cage , high-pressure washing/disinfection unit , ss feeders, nipple drinkers, regulators and medicator package , ventilation/exhaust fans, creep heaters and controls , manure grating, collection, settling and effluent-handling package , water storage, pump, distribution and disinfection package , ss feed trolley and handling accessories