The paragraph is extracted from the reading passage. What is the contextual meaning of the expression written in bold?

1.Large scale commercial: huge or extended farming to make profit out of it.

2.Broiler processing: process by which broiler chickens are reared and prepared for meat consumption.

3.Table eggs: unfertilized eggs sold to customers for food.

4.Slaughtering plant: a plant where animals are killed and process meet for market.

5.Parent stock: animals which are kept by a farm as special bred.

6.Hatchery: a plant where eggs are hatched under artificial conditions.

7.feed processing plant: a plant that prepares and supplies chicken food