Which one is not a source of carbohydrate?

What do you understand by composite fish culture?

Animal feed includes vitamins and proteins mainly.

$(i)$ Poultry is India's most efficient converter of low-fibre foodstuff into highly nutritious animal protein food. Justify the statement.
$(ii)$ What do we call the birds which are reared for eggs and those which are reared for meat?
$(iii)$ Name one indigenous and one exotic breed of poultry.

Which of the following are Indian cattle?
$(i)$ $Bos$ $indicus$
$(ii)$ $Bos$ $domestica$
$(iii)$ $Bos$ $bubalis$
$(iv)$ $Bos$ $vulgaris$

Find out the correct sentence about manure:
$(i)$ Manure contains large quantities of organic matter and small quantities of nutrients.
$(ii)$ It increases the water holding capacity of sandy soil.
$(iii)$ It helps in draining out excess water from clayey soil.
$(iv)$ Its excessive use pollutes the environment because it is made of animal excretory waste.