Oak processionary posed a health threat. In April 2018, an outbreak of the caterpillars was reported across Greater London and surrounding areas. The moth is now fairly common in Belgium, notably in the Campine but also elsewhere, with fluctuating population numbers from year to year. In 2007 infestations in the Belgian province of Limburg were so acute that soldiers were deployed to burn them. In the Netherlands, the caterpillars are dealt with by biological pest control. Local authorities use, like in Germany, fluids containing bacteria that are toxic only to the caterpillars. These fluids are sprayed onto the infected trees. Furthermore, an
Human–animal breastfeeding Human–animal breastfeeding Human–animal breastfeeding has been practiced in many different cultures in many time periods. The practice of breastfeeding or suckling between humans and other species has gone in both directions: human females sometimes breastfeed young animals, and animals are used to suckle babies and children. Animals were used as substitute wet nurses for infants, particularly after the rise of syphilis increased the health risks of wet nursing. Goats and donkeys were widely used to feed abandoned babies in foundling hospitals in 18th- and 19th-century Europe. Breastfeeding animals has also been practised, whether for health reasons – such as to