Worm-free sheep
A tropical breed of white hair sheep, St Croix, shows a remarkable immunity to intestinal worms. Within four to six weeks the lambs have developed almost complete resistance. Scientists at the Agricultural Research Service in Beltsville USA, have...
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| Formato: | News Item |
| Lenguaje: | Inglés |
| Publicado: |
Technical Centre for Agricultural and Rural Cooperation
1992
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| Acceso en línea: | https://hdl.handle.net/10568/45727 |