Eating is high on their list of priorities but that is not all they do. Cows have a great deal of curiosity. They will take an interest in anything new that happens. They are also sociable creatures and develop bonds and special friendships within the herd.
cow is producer
No you don't need to
Cows do not directly get energy from sunlight. Instead, they obtain energy by consuming plants that have undergone photosynthesis, a process where plants use sunlight to convert it into chemical energy in the form of sugars. Cows digest these plant materials to extract the energy stored in them for their own metabolic needs.
Cellulose
You need to stick your arm into the rectum of the cow, then feel down for the ovaries. If you feel a large lump or something that is bumping against your hand as you feel downwards, then the cow is bred. If you feel nothing, then the cow is open.
Typically a lactating cow will eat 50% more than a dry cow would. As for energy needs, a lactating cow needs around 15% more energy than dry cows do.
Energy is passed from cow to cow through the food chain. Cows consume plants as their primary energy source. When one cow eats plants, it metabolizes the energy from the plants, which then gets transferred to other cows that might consume that cow as food. This flow of energy from one cow to another is known as the transfer of energy through trophic levels in a food chain.
Energy for the cow initially comes from the plants she eats and digests.
They might not move around much, but female cows need energy to help their calf grow inside them (if they are pregnant), and produce milk to feed their young.
There are many energy efficient cells working in the energy conservation in a cow. These include sleeping an extra amount to digest food.
An example of a food chain with a human would be: grass (producer) -> cow (primary consumer) -> human (secondary consumer). In this chain, the human consumes the meat of the cow as a source of energy and nutrients.
because 1 cow provides only 10% energy so to get 100% we would need 10 cows
From the feed, forage or roughage they eat.
Yes.
the middle
They use this cow dung that contains methane in it to make energy.
That is immaterial, since it really cannot be measured.