(b) What is called the rearing of fish on a large scale?
Ans: (a)Pisciculture (b) Apis Cerana indica
26. Name two exotic cattle breed with long lactation period? [2014 (T-I)]
Ans: the period of milk production after the birth of a calf is called lactation period. Jersey and Brown Swiss are two exotic cattle breed having long lactation period.
27. In what way boilers, feed is different from layers? [2014 (T-I)]
Ans: Broilers feed is protein rich with adequate fat. The level of vitamins A and K is kept high in the poultry feeds.
28. Which one boiler or layers mature earlier? [2014 (T-I)]
Ans: Broilers have fast growth rate
29 What type of shelter is provided to boiler and layers? [2014 (T-I)]
Ans: Broilers do not require much space and lighting
30. Mention the preventive and control measure used before grain are stored?
Ans: cleaning of the produce before storage, proper drying of the produce first in sunlight and then in shade, and fumigation using chemicals that can kill pests.