Home > Search Results: VOLSKÝ, Jan
Search:
Search Tips :: Advanced Search
Search collections:
Sort by: Display results: Output format:
National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Využití hmyzí moučky z potemníka moučného (Tenebrio molitor) v krmivech pro okouna říčního (Perca fluviatilis L.).
 VOLSKÝ, Jan
Teoreical part of this study focused on biology, importance and breeding of perch and types of insect, that EU approved for using in feed of animal, that are intended for human consuption. At the end of theretical part was described using of insect in fish feed. Practical part of our experiment consist of two tests. The rearing part of the experiment aimed to evaluate the effect of the graded amount of insect meal from Tenebrio molitor on biometrical parameters and biochemical indicators of perch (Perca fluviatilis L.). The swimming performance test aimed to assess the effect of experimental diets on the physiology of fish. The subject of the diploma thesis was also to compare the influence of diets on environmental impacts. For this purpose, 4 experimental diets were compiled. The diets differed from each other by substituting fish meal by insect meal. In the control group (TM0) 100 % of animal protein consist of fish meal. In other diets were fish meal replaced by 25 % (TM25), 50 % (TM50) and 75 % (TM75) meal of T. molitor. Each tested group had 4 replicates. The rearing part of the experiment lasted 119 days. At the end of the feeding trial, 80 fish (20 from each group) were selected for swimming performance tests.
Detailed record
Vliv krmení raného plůdku jesetera malého \kur{(Acipenser ruthenus)\kur{}} obohacenými naupliemi žábronožky (r. \kur{Artemia\kur{}}) na jeho růst a přežití
VOLSKÝ, Jan
The aim of this study was to evaluate the effects of enrichment of Artemia on biometrical parameters and survival rate of sterlet larvae (Acipenser ruthenus). This kind of diet was succesfully used for some type of fish (Sturgeon,Cod, Bass). The theoretical part of the study is focused on using live feed for rearing fish larvae. Second part of the theoretical part of study is focused on current status of rearing fish larvae of sterlet. Experimental part of the bachelor thesis includes realizing an experiment of rearing sterlet larvae in recirculation system. Experiment includes 2 - 3 different kind of feed. The groups differed in the type of food and duration of live feeding. Fish larvae were fed non-enriched Artemia (control group), enriched Artemia with commercial emulsion Red Pepper and Artemia enriched with emulsion Olio3, always in 3 replicates. The duration of live feeding was 7 and 14 days before weaning to dry granulated food. Feeding was carried out 7 times per day. |The temperature of water will be in optimal rates for this type of fish (18 - 22 °C). The death will be recorded duringthe experiment. The duration of feeding is 21 - 30 days. During the experiment will be realized 4 controlled measurement. The Monitored parametres will be wet weight,growth (different variants), condition parametres, survival, canibalism. All parametres will be statistically tested.
Detailed record

Interested in being notified about new results for this query?
Subscribe to the RSS feed.
Digital Repository :: Search :: Submit :: Personalize :: Help
Powered by Invenio v1.1.2
Maintained by admin.invenio@techlib.cz
This site is also available in the following languages:
Česky  English