‘We believe that herbal leys are the future of farming in Ireland’ – students


The students found that similar levels of milk production with a higher average butterfat percentage could be achieved on a herbal ley system.

‘We believe that herbal leys are the future of farming in Ireland’ – students

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  • 7 mths ago

The students found that similar levels of milk production with a higher average butterfat percentage could be achieved on a herbal ley system.

A project, which investigated whether agriculture can be both profitable and sustainable for the future, was the recipient of the Teagasc Special Award at the BT Young Scientist and Technology Exhibition (BTYSTE) 2020.

Bevin Murphy, Darren Kiely and Omar Daly, three fifth-year students from Millstreet Community School in Cork, received the award for their project entitled ‘Herbal Leys – Milk Production for the Future’.

A herbal ley is a complex seed mixture of grasses, legumes and herbs, which bring an array of benefits to forage, livestock health and soil fertility.

The project investigated if herbal leys could match or outdo the productivity of intensive farming and their influence on milk production. It was selected as the Teagasc Special Award winner by judges at the 56th BT Young Scientist and Technology Exhibition (BTYSTE) 2020, which took place in the RDS during January 9-11.

They were presented with the award by Declan Troy, Director of Food Technology Transfer, Teagasc.

Comparative analysis of 4 dairy farms

The students did a comparative analysis of four dairy farms – two using a conventional perennial ryegrass grazing system and two UK-based farms using herbal leys.

Their analysis found that similar levels of milk production could be achieved on the herbal ley system. In addition, the average butterfat percentage was higher on the herbal ley system.

They also conducted a practical experiment using raised beds at their school simulating grazing conditions over a growing season.

Bevin Murphy, one of the students, said: “One of the plants that stood out was chicory, which has a long taproot, making leys more drought-resistant.”

“Certain herbs included in the mixtures such as Chicory, have anthelmintic properties, which helps to reduce the worm burden in livestock.” the student added.

The future of farming in Ireland

The Cork natives also noted on their farm visits that there was a noticeable presence of wildlife on the herbal ley farms, particularly butterflies and bees, which are attracted to the plants.

“We believe that herbal leys are the future of farming in Ireland. This subject is close to our hearts as two of our group members are from farming backgrounds and would like to make a career in farming.” added Bevin.

Teagasc explained that this special award is presented to the project that best demonstrates a thorough understanding of the science of agricultural or food production, or the use of science to improve technologies available to agricultural or food production.

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