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http://ri.uaemex.mx/handle20.500.11799/95167| Title: | The effects of dietary supplementation with different levels of Microzist as newly developed probiotics on growth performance, carcass characteristics, and immunological organs of broiler chicks | Keywords: | Broiler chickens;carcass;immunity;Microzist;Primalac;performance;info:eu-repo/classification/cti/6 | Publisher: | Journal of Applied Animal Research | Description: | The current research was conducted to evaluate the influence of newly developed probiotic (Microzist) and commercial probiotic (Primalac) on growth performance, carcass characteristics, and immunity of broiler chickens. A total of 225 one-day-old broiler chicks Ross-308 was randomly assigned into 5 groups – control group, group with 0.2, 0.25, and 0.3 g/kg of Microzist, and group constituting Primalac (starter: 0.9 g/kg, grower: 0.454 g/kg, and finisher: 0.225 g/kg). At 42nd day of age, there were no statistically significant differences among treatments on daily weight gain and feed conversion ratio (P > .05), but treatment’s effect on the feed intake was found to be significant (P < .05). Diet supplementation with various concentrations of Microzist showed growth performance of broiler chickens more or less similar to the Primalac additives. There were statistically significant differences (P < .05) among treatments on the carcass characteristics. Microzist (0.2 g/kg) reduced the abdominal fat content in broiler chickens in a comparison with control as well as Primalac (P < .05). Furthermore, Microzist showed no influence on the immunological organ weights. The present investigation indicates that Microzist may be a potential alternative to antibiotic growth promoters as well as widely used Primalac in broiler industries. | URI: | http://ri.uaemex.mx/handle20.500.11799/95167 | Other Identifiers: | http://hdl.handle.net/20.500.11799/95167 | Rights: | info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/4.0 |
| Appears in Collections: | Producción |
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