Rapeseed meal is nothing but a finely powdered substance obtained as a bi-product when rapeseed is processed for oil. The meal is a major supplement of protein (minimum 36-38% of protein by weight) only next to soybean and is known to be the cheaper of the two options. It also contains a very low amount of glucosinolates, which cause a metabolism disruption in cattle and pigs.
Rapeseed ‘oil cake’ is also used as a fertilizer in China and even for ornamentals such as Bonsai. It contains high sources of nitrogen and phosphorous and is even an essential source of vitamins (B and E), minerals, amino acids (methionine and lysine), and fiber (13%).
It is used for feeding mostly cattle (both ruminant and non-ruminant), pigs, and chickens in many countries, including India. Indian rapeseed meal is produced for both local markets and even export purposes. The major origin places in India include; Uttar Pradesh, Assam, Haryana, Punjab, Bihar, West Bengal, Gujarat, Jammu, and Kashmir, Punjab, Rajasthan, Himachal Pradesh, Madhya Pradesh & Orissa. India exports the product (nearly 1.2 Million MT every year) mainly to countries such as; Taiwan, Korea, Vietnam, Indonesia, and the Middle East. The rape meal is cultivated and used in various countries such as; Australia, Canada, China, the United States, and Europe.