Efficiency of selenium using in the all-mash for meat ducklings
| Autor: | SOBOLEV O., PETRYSHAK O., LESIV S. |
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| Jazyk: | ruština |
| Rok vydání: | 2011 |
| Předmět: | |
| Zdroj: | Науковий вісник Львівського національного університету ветеринарної медицини та біотехнологій імені С.З. Ґжицького. |
| ISSN: | 2518-1327 2413-5550 |
| Popis: | The optimal dose of selenium all-mash for meat ducklings is tested on large population of poultry. It is established, that the dose of 0,4 mg/kg of selenium in feeding for ducklings in comparison with the standard all-mash permits to increase their body weight by the end of growing per 4,0 %, safety per 3,0 % and decrease the feed expenses of 1 kg of body-weight gain per 3.6 % and gets the economic effete of 483,02 hrn (in estimation for 1000 of goslings youngsters). |
| Databáze: | OpenAIRE |
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