The feed cost was reduced greatly and the economic benefit was improved as compared with the control groups.

饲料成本与对照组相比降低，提高了经济效益。

youdao

These results indicate that growth promoting eel feed has effects on increasing survival, feed efficiency, and decreasing feed cost.

证实了用僵鳗促长饲料养殖日本僵鳗及欧鳗具有提高成活率、饲料效率、降低饲料成本的作用。

youdao

The results indicated that proper substitution levels (25%, 50%) can promote growth of juvenile yellow catfish, improve fe and PE and thus reduce the feed cost.

由结果可知，烁生肽替代适宜比例(25%、50%)鱼粉可以促进黄颡鱼幼鱼生长，并提高饲料、蛋白质效率，降低饲料成本。

youdao

Grass has been poor and the weather's been poor and the cost of feed has already gone up.

BBC: Cows at NEC show

Dairy farmers are seeing the cost of feed jump and are finally able to pass that on to consumers.

FORBES: Magazine Article

But much of the cynicism is centered on corn-based ethanol that some consider not just an inefficient fuel source but also one that also creates food shortages, driving up the cost of feed for livestock producers.

FORBES: Can Ethanol Cut Foreign Oil Imports?