Lord Spencer and others have shown how the cattle of England have increased in weight and in early maturity, compared with the stock formerly kept in this country.
Lord Spencer-ek eta beste batzuek frogatu dute Ingalaterrako betabereak pisu handiagoa eta heldutasun goiztiarragoa hartu duela, herrialde honetan lehenago zeukaten ganaduaren aldean.