Zeolites in laying hens

Postgraduate Thesis – Author: Efthymiu, Maria Konstantinou; Supervisor: Dotas, Dimitrios, Aristotle University of Thessaloniki, School of Agriculture, 2010. The aim of this research project was to investigate the effect of adding natural zeolite to the diet on the productive traits and characteristics of eggs laid by laying hens.The experimental group consisted of 96 Isa Brown laying hens, aged 28 weeks and with an average body weight of 1,870 g at the start of the experiment. The hens were housed in cage batteries in a controlled environment and allocated to four dietary treatments (M, Z1, Z2 and Z3), in accordance with ... Read more