The content is just an excerpt from the complete note for SS 2 Third Term Agricultural Science Lesson Note – Environmental Physiology. Check below to download the complete PDF
WEEK 1:
TOPIC: ENVIRONMENTAL PHYSIOLOGY:
CONTENTS: (a) Meaning of Environmental physiology
(b) Effects of changes in climate such as
(i) Temperature
(ii) Relative humidity
(iii) Light on growth, reproduction, milk production, egg production etc.
Sub-topic: Meaning of Environmental physiology
Environmental physiology is the study of the interrelationship between an organism’s physical functioning and its environment. It also encompasses plant physical functioning.
Environmental physiology refers to the effects of the environment on the growth and performance of farm animals. Apart from good feeding, health services render to farm animals changes in the environmental factors determine the productivity of any farm animals. Too high or too low of any of the elements of weather causes negative effects on the well being of the animals.
Effects of Changes in Climate on Growth of Farm Animals
Extremely high temperature leads to the following:
Extremely low temperature leads to the following:
High Relative Humidity causes the following
High Intensity of Radiation affects
High Rain Fall
Wind
Wind of moderate velocity bring about
Effects of Changes in Climate on Reproduction: Reproduction in animals are affected when there is sharp changes in climatic conditions in environment where animals are reared. The following can be noticed
Effects of Changes in climate on milk Production: (other information can be seen in the note)
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