breeding-grounds

I think washcloths are ideal breeding-grounds for bacteria and cannot really understand how using one could be in any way be considered to be a hygienic practice.

unexpected 2008

It had never occurred to me to think of massive multiplayer game spaces as breeding-grounds for design and engineering skill; but maybe 20 years from now there'll be a generation of kids for whom virtual world-building and rapid prototyping are as natural a combination as word processing and printing were for mine.

Feature Story: Fear and Shivering In Second Life, Part One 2006

These plains, extending for thousands of miles in all directions, are the great "ranching," or cattle-farming districts, formerly the favourite breeding-grounds and pastures of the buffalo, which, alas! have all disappeared.

A Lady's Life on a Farm in Manitoba Cecil Hall

"Low-lying" districts are much talked about just now as breeding-grounds for the pestiferous Influenza microbe.

Punch, or the London Charivari, Volume 100, May 30, 1891 Various

Key phrase: ‘The public schools are breeding-grounds of Fascism’.

As I Please 1944

Moreover, the democratic spirit of the militias made them breeding-grounds for revolutionary ideas.

Homage to Catalonia 1938

The Communists hold that Fascism can be beaten by alliance with sections of the capitalist class (the Popular Front); their opponents hold that this manoeuvre simply gives Fascism new breeding-grounds.

Homage to Catalonia 1938

Contemporary philanthropy, I believe, recognizes that extreme poverty and overcrowded slums are veritable breeding-grounds of epidemics, disease, delinquency and dependency.

The Pivot of Civilization Margaret Sanger 1924

The breeding-grounds, where the eggs are laid, are shallow pools of stagnant water.

Birth Control A Statement of Christian Doctrine against the Neo-Malthusians Halliday G. Sutherland 1921

These imperial birds are very rare on the coasts of Adelie Land, owing to the fact that their winter breeding-grounds in Antarctica are selected in spots where climatic conditions are comparatively good.

The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 Douglas Mawson 1920