Value of beets (varieties: sugar beet AJ-Poly 1 and fodder beets: Poly Past, Albus and Cyklop) and lucerne forage or lucerne and timothy forage for production of combined silages for growing pigs was determined. The obtained silages were of very good quality and relatively high content of dry matter (about 40%). The balance studies indicated that there was no significant difference in digestibility of nutrients and in nitrogen balance related to variety of beets as well as to lucerne forage. Slightly better results were obtained in case of using of lucerne and timothy and also Poly Past beets. However, in terms of nutrients crop per 1 ha, the variety Albus (12362 oat units ) was the most efficient - except of sugar beets.
Koncentraty chloroplastyczne wytrącano z soku lucerny (odm. Kleszczewska) flokulantem anionowym Magnafloc LT-26 w obecności jonów srebra, rtęci, aldehydu octowego, simaziny i przesączy otrzymanych w procesie frakcjonowania soku z lucerny termicznie i flokulantem. Czynniki stosowane w celu modyfikacji soku spowodowały zmiany zawartości mikro- i makroelementów w wytrąconych koncentratach.