The cut and carry system of feeding livestock is termed

The question is asking about the term used to describe the "cut and carry" system of feeding livestock. The options are:

Option A: rotational grazing

Option B: zero grazing (Correct)

Option C: mixed grazing

Option D: controlled grazing

In the "cut and carry" system of feeding livestock, instead of allowing the animals to graze freely in a pasture, the farmer cuts and transports the forage to the animals. This can involve cutting grass, legumes, or other plants and bringing them to the livestock's feeding area.

The correct answer is Option B: zero grazing. Zero grazing is a system where animals are confined to a specific area and the forage is brought to them. This method allows for better control over the diet and nutrition of the animals, and it is often used in intensive livestock production systems.

Rotational grazing (Option A) is a different system where animals are moved between different grazing areas to allow for the regeneration of vegetation and prevent overgrazing. Mixed grazing (Option C) refers to the practice of grazing different types of livestock together, such as cattle and sheep. Controlled grazing (Option D) generally involves managing the timing and duration of grazing to optimize forage utilization and prevent overgrazing.

So, in this question, the correct term for the "cut and carry" system of feeding livestock is zero grazing (Option B).