Effect Of Different Levels Of Probiotic Additive Biology Essay

To measure the consequence of different degrees of probiotic additive on growing indices and organic structure composing of juvenile O. niloticus and L.

rohita, a 60 yearss experiment will be conducted. Feed will be given at two eating degrees 4 and 6 % of organic structure weight each degree contain 0 ( control ) , 2, 4, 6 and 8 % of probiotic Biogen ( manufactured by SEARLE Pakistan limited ) . 300 juvenile O.niloticus and L. rohita ( 150 of each coinage ) will be distributed in 10 glass fish tank ( 3 replicates of each intervention ) .Water of fish tank will be changed after two yearss and provender remains and fecal matters will be siphoned to keep good H2O quality. Fish growing parametric quantities viz ; organic structure weight and entire length will be measured on hebdomadal footing.

We Will Write a Custom Essay Specifically
For You For Only $13.90/page!

order now

Growth public presentation in footings of weight addition ( WG ) , specific growing rate ( SGR ) , feed transition ratio ( FCR ) , survival rate ( SR ) and organic structure composing ( wet, saccharide, petroleum protein, lipid and ash content ) will be analyzed. Water sample from fish tank will be collected and analyzed for physical and chemical characteristics.The informations therefore obtained will be subjected to statistical analysis utilizing ANOVA and correlativity.



( Outline for M.Phil Zoology )

Title: Consequence of different degrees of probiotic additive on growing indices and organic structure composing of juvenile Oreochromisniloticus and Labeorohita.

Date of Admission: 21-11-2011

Date of Initiation: Ist March, 2013

Probable Duration: 60 Dayss


Name of pupil: MisbahNoureenDogar

Regd. # : 2009-ag-938

Supervisor: Dr. Abdul Mateen



Abdul Mateen ( Chairman )

Dr. Muhammad Afzal ( Member )

Dr. ZahedMahmood ( Member )


Aquaculture imparts a major function in economic system of many states supplying new employment chances to better the economic state of affairs for the people in these parts but its development faces many jobs like disease, low production. These jobs are due to aquatic animate beings exposed to nerve-racking conditions, hapless alimentary balance in the diet of fish and hapless environmental conditions. Disease, mortality and hapless growing is chiefly due to physiological emphasis ( El-Harounet al.

, 2006, Rollo et al. , 2006 ) .Hormones, antibiotics, some salt compounds and works infusions have been used for disease control and growing enhancement.

But aquaculture faces problems due to the inauspicious effects of antibiotics as they accumulated in a tissue that is why antibiotics have been prohibited in many states due to their carcinogenic effects in telosts ( Gatesoupe, 2007, Nayaket al. , 2007 ) .Antibiotics are besides prohibited because pathogens gain opposition against antibiotics and these pathogens are responsible for distributing disease particularly in nerve-racking conditions ( Suzeret al. , 2008 ) .Use of probiotics in fish diet gave a new thought in aquaculture. Probiotics are unrecorded micro-organisms, which gave better microbic balance in bowel, better use of provender and besides heighten growing of beings ( Verschuereet al.

, 2000 ) .Fish fed with diet holding probiotics showed better growing rate because of better alimentary assimilation every bit good as cut downing mortality and increasing opposition against pathogens ( Irianto and Austin, 2002 ) .Several surveies showed that probiotic in diet better the wellness of larval and juvenile fish addition the disease opposition, organic structure composing and growing public presentation.

Fish like African cat fish, Clariasgariepince, Tilapia, O.niloticus ( Lara-floreset al. , 2003 ) , Indian major carp, LabeorohitaHam ( Kumar et al. , 2006 ) andSeabass, Dicentrarchuslabraxshowed better growing, good micro-organism in intestine, increase digestive enzyme activity and provender use ( Watson et al. , 2008 ) .

Oreochromisniloticusand Labeorohita are of import freshwater fish species cultured in universe. Sing the economic value of carp agriculture and besides restricting surveies of probiotics in juvenile carp diets, this experiment is planned to find thedifferent degrees of probiotic additives on growing indices and organic structure composing of juvenile oreochromisniloticus and Labeorohita.

Reappraisal of Literature

Literature sing the present work is reviewed as below:Kumar et Al. ( 2006 ) studied the probiotic incorporation in diet of Indian major carp, Labeorohita, by utilizing Bacillus subtilis, a Gram-positive, aerophilic, endosporeforming bacteria The diet incorporating B. subtilis showed maximal per cent endurance ( 87.50 % ) , weight addition ( 35.

5 % ) , TLCs ( 3.23A- 104 cells mm-3 ) , haemoglobin content ( 7.4 g % ) , entire protein ( 2.37 g dL-1 ) and globulin content ( 1.28 g dL-1 ) during the pre-challenge.

Enzymes showed higher activities during station challenge. The consequence suggests that B. subtilis can be used as a commercial merchandise for usage in aquaculture.Soltan and El-Laithy ( 2008 ) studied the consequence of add-on of different probiotics ( Bacillus subtilisand BiogenA® ) , spices ( garlic or fennel ) and besides a combination of B. subtiliswith Allium sativum or fennel in the diets of Nile Tilapia. 420 Nile Tilapia Fry were distributed in seven interventions, 3 replicates of each intervention. Control ( D1 ) , others diets were supplied by additives, B.

subtilis ( D2 ) , 0.2 % BiogenA® ( D3 ) , 1 % Allium sativum ( D4 ) , 1 % fennel ( D5 ) , B. subtilis+1 % Allium sativum ( D6 ) and B.

subtilis+ 1 % fennel ( D7 ) .The consequences of this survey showed that diets with probiotics and spices significantly improved survival rate of Nile Tilapia and diet incorporating combination of probiotics and spices showed best survival rate but non significantly differ from diet incorporating probiotics and spices entirely. Feed use, Growth public presentation including organic structure weight ( BW ) , entire length ( TL ) , specific growing rates ( SGR ) , feed transition ratio ( FCR ) were higher in all interventions other than control.Marzouket Al ( 2008 ) studied the influence of types of probiotics on growing public presentation and enteric microbic vegetation of Nile Tilapia. Growth was determined in footings of organic structure weight addition ( WG ) , feed transition ratio ( FCR ) , and protein efficiency ratio ( PER ) . Fish was distributed into three experimental groups.

Control was fed with basal diet without any probiotics, 2nd group was fed with dead Saccharomyces cerevisae.At the terminal of the experiment fish additions weight 5.8A±0.25, 10.7A±1.

58 and 12.3A±14.5.

FCR 5.8, 3.0 and 4.7 for control, group 1 and group 2 severally.

Consequences indicated that fish fed with unrecorded Bacillus and Saccharomyces cerevisae gave best growing as compared to other groups.Essaet Al. ( 2010 ) evaluated the consequence of different probiotic groups, Bacillus subtilis, Lactobacillus plantarum, and a mixture incorporating bacterial isolates ( B. subtilisand L. plantarum ) and a barm, Saccharomyces cerevisiaeon growing public presentation, feed use and digestive enzyme activity of Nile Tilapia. Five experimental diets, control diet was without probiotics Supplement diets were formulated to incorporate 107 CFU/g diet from Bacillus subtilis ( D1 ) , Lactobacillus plantarum ( D2 ) , a mixture incorporating bacterial isolates ( B.

subtilis & A ; L. plantarum ) ( D3 ) , while diet ( D4 ) was formulated to incorporate 104 CFU/g diet of a barm, Saccharomyces cerevisiae. Consequences showed that diets with probiotics improved fish growing, feed use as compared to command diets. S.cerevisiaeshowed higher amylase activity than the fish Federal with control diet, other probiotics with exclusion of S.

cerevisiae showed higher amylase, peptidase and lipase activity. These consequences recommended that Nile Tilapia showed better growing public presentation and digestive enzyme activity if fed with diets incorporating probiotics.Lara-Flores et Al.

( 2010 ) studied the growing public presentation and enteric enzyme activity in Nile Tilapia as affected by two types of probiotics, a mix of two bacteriums and barm. Three diets one was a bacterial mixture incorporating Streptococcus faeciumand Lactobacillus acidophilus ; a second was supplemented at 0.1 % with the barm Saccharomyces cerevisiae ; and a 3rd, was supplemented with a control diet without addendums. Two extra diets were formulated to incorporate 27 % protein to function as a emphasis factor. They were supplemented at 0.1 % with either the bacterial probiotic mix or the barm. The diets were fed for 9 hebdomads to tilapia Fry housed in 20-L armored combat vehicles at two densenesss: a high denseness of 20 Fries per armored combat vehicle as a emphasis factor ; and a low denseness of 10 Fries per armored combat vehicle. Every hebdomad an being was selected from each armored combat vehicle for the enzymatic analyses of unicellular protein, alkalic phosphatase, disaccharidases and protease.

Result indicate that the Fry Federal with diets incorporating probiotic addendum exhibited greater growing rate than those fed with control diet. Of the four probiotic interventions, the 40 % protein diet supplemented with barm produced the best growing public presentation and feeding efficiency. This was attributed to an addition in the alkalic phosphatase activity, proposing that barm is an appropriate growth-stimulating additive in tilapia cultivation.

Noveirian and Nasrollahzadeh ( 2011 ) studied the growing response of common carp, Cyprinuscarpio as fed by different degrees of biogen probiotics additives. Four practicle diets, one is control without biogen probiotic, other diets incorporating 0.1, 0.

2, and 0.3 % biogen were used to feed fish. Seventytwo juvenile common carp were distributed in 12 fibreglass armored combat vehicles. During 60 yearss of experiment fish fed with probiotics showed higher organic structure weight ( BW ) , specific growing rate ( SGR ) , protein efficiency ratio ( PER ) , feed transition ratio ( FCR ) and survival rate ( SR ) in comparing with control diet. The best consequences in nutrient efficiency and growing public presentation were observed in fish fed diets incorporating 0.3 % of Biogen probiotic that were significantly different with that in other interventions ( P & lt ; 0.

05 ) . Growth public presentation did non differ significantly ( P & gt ; 0.05 ) in fish fed diets incorporating 0.1 and 0.

2 per centum of probiotic. Fish carcase composing in the diets having probiotic improved from initial values i.e. higher degrees of protein and lipid with lower degrees of wet and ash content and showed important difference ( P & lt ; 0.05 ) merely with the basal control diet.

There were no important differences ( P & gt ; 0.05 ) in organic structure composing between the interventions which received probiotic. Feeding juvenile carp with diets incorporating Biogen probiotic improves growing public presentations and feeding efficiency in them ; the optimal add-on of probiotic is 0.3 g/100gof diet.

Giriet Al ( 2012 ) studied the consequence of probiotic ( Pseudomonas aeruginosa ) VSG-2 on the innate unsusceptibility and disease opposition of Labeorohita. Fish was fed with four experimental diets, one was control, Second contains VSG-2 at 105, 3rd 107 and 4th group with 109 CFU/g showed higher endurance rates against Aeromonashydrophila infection. VSG-2 at 107 CFU/g can increase unsusceptibility and disease opposition in L.rohita as compared to other groups.

Materials and Methods

The 60 yearss experiment was conducted in Saline Fisheries Laboratory Department of Zoology and Fisheries, University of Agriculture Faisalabad to measure the consequence of different degrees of probiotic additives on growing indices and organic structure composing of juvenile Nile Tilapia, Oreochromisniloticus and Labeorohita.Three hundred OreochromisniloticusandLabeorohita will reassign to a research lab and acclimated to the basal diet for 14 days.150 Nile Tilapia and 150 L.

rohita distributed to 30 fish tanks, 10 fish 5 of each species in each aquarium.Water of fish tank will be changed after two yearss to keep good H2O quality. Based on the feeding behaviour of juvenile fish, provender will be given two times a twenty-four hours ; provender will be adjusted at 4 and 8 % of organic structure weight.

Fish will weighed one time a hebdomad and day-to-day ration will adjusted consequently. The control diet is without provender additives ( Biogen ) , while in other interventions diet will be supplemented by 2, 4, 6 and 8 % of biogen.Meat samples from each experimental fish tank will be collected and freezed for the proximate composing analysis of civilized fish species in footings of wet, petroleum protein, entire fats, and carbohydrates following Association of official Analytical chemist ( A.O.A.C.1995 ) .

The information will be analyzed through statistical analysis by following Steel et Al. ( 1997 ) through Micro Computer. The comparings of hebdomadal based mean values for assorted parametric quantities were analyzed by utilizing Analaysis of Variance ( ANOVA ) and comparing of agencies by Duncan ‘s Multiple Range trial with repeated sampling. Correlation analysis was besides performed to happen out the relationship among assorted physico-chemical features.


I'm Ruth!

Would you like to get a custom essay? How about receiving a customized one?

Check it out