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प्रश्न
For increasing production, what is common in poultry, fisheries and bee-keeping?
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उत्तर
Cross-breeding is the common method used for increasing the production among poultry, fisheries, and bee-keeping.
The exotic species of the fowls, fishes, and bees with desirable traits are selected and allowed to breed with the local breeds of desirable characters. This technique produces offsprings with specific traits having a higher yielding capacity.
In case of poultry, such breeds of fowls that are produced have the following traits:
(a) A higher egg production.
(b) Better quality meat.
(c) Immunity against various pathogens.
In case of fisheries, breeding of fish is done to improve the nutritional content of fish and to increase its production.
In case of bee-keeping, a high honey-yielding breeds are selected and grown artificially to have a higher honey production.
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संबंधित प्रश्न
What are the desirable characters of bee varieties suitable for honey production?
The largest member in a honey bee hive is is the ______.
Differentiate the following.
Pollen and Nectar
Assertion: Nuptial flight is a unique flight taken the queen bee followed by several drones.
Reason: The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.
Name the following:
The kind of flight which the new virgin queen takes along with the drones out of the hive.
Which one of the following species of the honey bee is an Italian species?
Paddy, maize, green gram and black gram are ______ crops.
Discuss why pesticides are used in very accurate concentrations and in a very appropriate manner?
______ is an enzyme present in Honey.
One kilogram of honey contains ______ calories.
