| Autor: |
Ľubica Chrastinová, Andrea Lauková, Mária Chrenková, Zuzana Formelová, Mária Polačiková, Eva Bino Glatzová, Klaudia Čobanová, Anna Kandričáková, Gabriela Štrkolcová, Matúš Rajský, Zuzana Mlyneková |
| Jazyk: |
angličtina |
| Rok vydání: |
2018 |
| Předmět: |
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| Zdroj: |
Journal of Agronomy, Technology and Engineering Management, Vol 1, Iss 1, Pp 110-118 (2018) |
| ISSN: |
2620-1755 |
| Popis: |
The aim this study was to evaluate the effect of 6-week application of zinc protein hydrolysate Bioplex-Zn to feed mixtures for rabbits and combinative application with 0.1% concentration thyme plant extract applied into water during the growing period on the selected parameters of meat quality and the caecal and faecal microbiota. Experiment was realized on 96 post-weaned rabbits (meat line M91 a P91). They were randomly divided into 4 similar experimental groups (EG), with 24 animals in each group. The rabbits in the group 1EG and 3EG were fed the same commercially available diet with no zinc additive. The feed mixture in the 2EG and 4EG was additionally administered with a dose of 33.3 g Bioplex-Zn per 100 kg (this is addition of 50 mg Zn/kg feed mixture). The rabbits in the group 3EG and 4EG received a dose with (0.1% Thymus vulgaris L. plant extract) applied into drinking water. Their beneficial effect was tested in a fattening experiment during 42 days. At the end of the experiment, 6 animals from each group were slaughtered. Meat quality was analysed from MLD (Musculus longissimus dorsi) samples. The amino acids and fatty acids contents were examined, showing statistically significant changes (P≤0.05). The caecal chymus were collected to detect the total bacterial content. The faecal samples were collected on day 1 and 42. To check microbiota, sampling of faecal mixtures per each group was performed at the start and end of the experiment. Samples were treated using the standard microbiological dilution method by plating appropriate dilutions on the selective media according to ISO. Microbiota was expressed in CFU.g-1. The treatment did not have a negative influence on the pH, colour, water-holding capacity, protein and fat contents or energetic value of the rabbit carcass.The beneficial effect of combination plant extract Thymus vulgaris and zinc additive administration was manifested by the anti-coccidian effect in rabbits. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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