Sentence examples for requires culling from inspiring English sources

This scheme requires culling or castration of VRQ-bearing rams [ 19] and, hence, may underestimate the frequency of these PrP genotypes.

The spread of a disease that is highly lethal to poultry, and requires culling, could have a dire nutritional impact, there as elsewhere.

It was these experiences, Mr. Hill will tell you, which required culling his stuff to fit into one small rolling suitcase, that made him seize on the notion of "small" as a business plan.

Furthermore, this inability to detect metastases is enhanced by the present bioethical guidelines that require culling animals that present with tumors larger than 10 mm diameter.

The president, who, Mr. Draper repeatedly observes, prizes routine and familiarity, hoped his favorite staff members would be "eight-year men": "The notion that change was not only good but essential — that once-vital personnel would outlive their usefulness and require culling — ran counter to his impulses".

Assigning equal priority to all farms requiring culling regardless of status as IP or WP and culling each as they arose reduced the delay to culling of WPs to no more than 4 days without large increases in either the duration or the size of the outbreaks observed.

Although noisy miners are protected across Australia, and a permit is required to cull them, culling has been proposed as the most humane and practical method of reducing their impact, particularly where combined with rehabilitation of the habitat to suit a wider variety of bird life.

Our analysis also indicates that an avian population that evolves genetic resistance in the absence of culling will be resistant to influenza re-emergence, whereas a population that evolves less resistance will require repeated culling.

Realistic and robust control strategies involved vaccination of foxes and badgers, but also required badger culling.

Producers were required to cull cows with strong-positive ELISA results before the next calving and to label cows with low- to medium-level ELISA results and manage them to limit infection transmission.

Some farms that were required to cull livestock because of FMD risk did not undertake the process in a timely manner, which contributed to a spike in new infections on the 38th 64th days after the outbreak began (January 4 31 , 2011 (online Technical Appendix Figure 3).