Zeolite as a factor in the improvement of some production traits of dairy cattle
2011
Ilić, Z., Faculty of Agriculture, Lešak (Serbia) | Petrović, M.P., Institute for Animal Husbandry, Belgrade-Zemun (Serbia) | Pešev, S., FSH Agromil, Pojate (Serbia) | Stojković, J., Faculty of Agriculture, Lešak (Serbia) | Ristanović, B., Faculty of Agriculture, Lešak (Serbia)
Milk yield and milk chemical composition are largely affected by diet quality. Natural zeolite has been successfully used in livestock production as a feed supplement for some types and categories of domestic animals. This experiment was conducted over a period of 15 months involving Domestic Spotted dairy cattle. The test animals were assigned to three groups, each receiving different levels of supplemental zeolite. The control group comprised cows that received no zeolite supplement. Experimental groups 1 and 2 were fed compound feeds supplemented with 4% and 2% zeolite, respectively. The production traits studied included the following milk performance traits: whole lactation length, milk and fat yields over whole lactations, milk and fat yields over standard lactations. The results obtained suggest that zeolite supplementation affects some production traits, depending on the zeolite level present in livestock feed.
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