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(ii) dwarf broiler parent for commercial The ration (daily food requirement) for broilers
chick production; is protein rich with adequate fat. The level of
(iii) summer adaptation capacity/ vitamins A and K is kept high in the poultry
tolerance to high temperature; feeds.
(iv) low maintenance requirements; Poultry fowl suffer from a number of
(v) reduction in the size of the egg-laying diseases caused by virus, bacteria, fungi,
bird with ability to utilise more parasites, as well as from nutritional
fibrous cheaper diets formulated deficiencies. These necessitate proper
using agricultural by-products. cleaning, sanitation, and spraying of
disinfectants at regular intervals. Appropriate
vaccination can prevent the occurrence of
infectious diseases and reduce loss of poultry
during an outbreak of disease.
uestions
Fig. 12.4 Q 1. What management practices are
common in dairy and poultry
farming?
Aseel Leghorn 2. What are the differences between
broilers and layers and in their
management?
Q uestion Activity _____________12.4
1. Discuss the implications of the
Visit a local poultry farm. Observe
following statement:
•
types of breeds and note the type of
“It is interesting to note that
ration, housing and lighting facilities
poultry is India’s most efficient
given to them. Identify the growers,
converter of low fibre food stuff
(which is unfit for human
consumption) into highly layers and broilers.
nutritious animal protein food.”
12.2.3 FISH PRODUCTION
EGG AND BROILER PRODUCTION Fish is a cheap source of animal protein for
our food. Fish production includes the finned
Broiler chickens are fed with vitamin-rich true fish as well as shellfish such as prawns
supplementary feed for good growth rate and and molluscs. There are two ways of obtaining
better feed efficiency. Care is taken to avoid fish. One is from natural resources, which is
mortality and to maintain feathering and called capture fishing. The other way is by
carcass quality. They are produced as broilers fish farming, which is called culture fishery.
and sent to market for meat purposes. The water source of the fish can be either
For good production of poultry birds, good seawater or fresh water, such as in rivers and
management practices are important. These ponds. Fishing can thus be done both by
include maintenance of temperature and capture and culture of fish in marine and
hygienic conditions in housing and poultry freshwater ecosystems.
feed, as well as prevention and control of
diseases and pests. 12.2.3 (i) MARINE FISHERIES
The housing, nutritional and
environmental requirements of broilers are India’s marine fishery resources include
somewhat different from those of egg layers. 7500 km of coastline and the deep seas
148 SCIENCE
Rationalised 2023-24
