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Some interior egg characteristics as influenced by addition of Greek clinoptilolitic rock material in the hen diet

Archiv fuer Gefluegelkunde 61(6): 291-296

Some interior egg characteristics as influenced by addition of Greek clinoptilolitic rock material in the hen diet

The effect of clinoptilolitic rock material (natural zeolite NZ) on some egg characteristics was examined in an experiment. One genotype (Hissex) 22 wk of age was caged in 12 pens (8 hens per pen). Duplicate pens were fed on each of 6 experimental diets, which were isonitrogenous (treatments: A - control = 0% NZ, B = 4% NZ, C = 6% NZ) or isonitrogenous and isoenergetic (treatments: D - control = 0% NZ, E = 4% NZ, Z = 6% NZ), for 49 wks. Results obtained of this study show that a response - especially in egg weight, albumen and yolk weight, and number of blood and meat spots - can be achieved by feeding the hens with NZ. The results also suggest that there was no significant effect on yolk color, or Haugh units. The beneficial effect of NZ on egg and albumen weight was independent of hen age and the type of diet (isonitrogenous or isonitrogenous + isoenergetic).

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Accession: 003276310

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