The MHC genes are highly polymorphic and the research hot point in the origin and evolution of species and the disease resistant breeding.

MHC中的基因具有丰富的多态性，是物种起源、进化和动物抗病育种的研究重点之一。

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It is widely accepted that breeding, selection and cultivation of the disease resistant varieties are the most economic and efficient disease control practice.

长期的实践表明，选育、种植抗稻瘟病品种是最经济有效的防病措施。

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It is the easiest of crops to grow and is seemingly resistant to any disease.

它是最容易种植的作物，似乎对任何疾病都有抵抗力。

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The team also tested the insect material on methicillin-resistant staphylococcus aureus, also known as the disease MRSA.

VOA: special.2010.12.07

He says because GM crops can be designed to be resistant to insects and disease they may also be better for the environment.

VOA: standard.2009.10.21

XDR-TB is a particularly dangerous form of the disease that is resistant not only to the two most potent TB drugs, but also a handful of second-line drugs.

WSJ: Dangerous TB Patient Nabbed On U.S. Border

Mr Speaker was found to have a rare strain of tuberculosis, and the European Centre for Disease Control (ECDC) says the risk of contracting the drug-resistant disease is low.

BBC: Andrew Speaker conducted the interview wearing a mask

Another aspect in the resurgence of the disease is the development of drug resistant strains which now affect up to 50 million people.

BBC: TB: The killer returns