References
- Hellderg , A. and Fredriksson , Y. 1957 . Försök med automatutfodring av svin. I. Förebyggande åtgärder mot hudskorv, s.k. parakeratos . Statens Husdjursförsök, Medd. , : 65
- Månsson , I. and Olsson , B. 1961a . The intestinal flora of pigs. I. Quantitative studies of coliforms, enterococci, and clostridia in the faeces of pigs fed a high-protein and high-calcium diet . Acta agric. Scand. , 11 : 197
- Månsson , I. and Olsson , B. 1961b . Idem. II. Further quantitative studies of coliforms, enterococci, and clostridia in the faeces of pigs self-fed a high-protein and high-calcium diet . Acta agric. Scand. , 11 : 257
- Månsson , I. and Olsson , B. 1961c . Idem. III. The effect of dietary zinc on the number of coliforms, enterococci, and clostridia in the faeces of pigs self-fed a high-protein and high-calcium diet . Acta agric. Scand. , 11 : 265