Sentence examples for closed herds from inspiring English sources

That can still be squirted all over the environment, as slurry is spread widely," she said, adding that this might explain how closed herds can be infected from neighbouring farms.

Other variables confirm this separation of open and closed herds along the 1st dimension.

A lower comparative prevalence in closed herds also suggests reduced probability of introduction of infected stock.

Within this holding type, the percentage of closed herds decreased in time with 5.3% in 2.5 years.

Although 84% (46/55) of closed herds were already reported to be infected, maintaining a closed herd is an effective method to prevent further introduction of infected cows.

In addition, intra-herd factors should be investigated, since MRSA CC398 also occurs in closed herds implementing tighter biosecurity measures than in production holdings [ 20].

"We have what's called a closed herd.

The Wye Angus herd is a closed herd maintained by the Wye Research and Education Center, University of Maryland Experimental Station (Queenstown, MD 81.

All dairy goats in the closed herd have tested negative for N. caninum since 2008.

I keep a closed herd, using only homebred females to breed from and only homebred animals for meat production.

While cattle-to-cattle transmission is a major cause of bovine TB, Kittow's farm is a closed herd of animals he breeds himself, with only disease-free bulls brought in, and he is convinced that soaring badger numbers have spread the disease among his 200-strong organic dairy herd.