The change of housing systems started slowly, but during the years 2001 2004 practically all the remaining conventional battery cages, equivalent to about 80%% of the population of layers in 2001, were exchanged for alternative housing systems.
Moreover, other studies of rural village residents found that because of the re-gifting custom, expensive cigarettes are traded as currencies and can be exchanged for (or for money to purchase) cheaper alternatives [ 12 ].
But they can be exchanged for sterling.
Sometimes goods are exchanged for other goods, sometimes alternative currencies are used, sometimes people pay (yes, with real cash) sometimes people choose just to freely share what they have.
In this study, the native deoxysugar tailoring reactions were exchanged for the purpose of demonstrating the production of alternative final erythromycin compounds.
British Bengkulu was exchanged for Dutch Melaka.
One taxi was exchanged for another.
They are later exchanged for Ukrainian soldiers.
Manufacturers are looking for alternative locations.
Analogs with specific amino acids exchanged for a structurally similar alternative, or for the equivalent d-amino acid, were also designed (see Table 1 for sequences).
