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Effect of dietary protein on responses of lambs to repeated Haemonchus contortus infection

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Title Effect of dietary protein on responses of lambs to repeated Haemonchus contortus infection
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Creator FA Khan, A Sahoo, GG Sonawane, SA Karim, S Dhakad, AK Pareek, BN Tripathi
 
Subject Lamb Dietary protein Haemonchus contortus
 
Description Not Available
Effect ofincreaseddietaryproteinsupplyonrepeated Haemonchuscontortus infection
was assessedingrowingnativeChoklalambsinthesemi-aridRajasthanstateofIndia.
In a2 3 factorialdesign,48Choklalambs(4–5mo,14.971.0 kg)weredistributedin
two maingroups(24animalseach),control(C)andinfected(I)andwerefedon
completediets(at3%ofliveweight(LW))withthreelevelsofprotein(CP,g/kgdry
matter)high(HP;150),moderate(MP115)andlow(LP;95),thusconstitutingsix
treatmentgroupsHPC,HPI,MPC,MPI,LPCandLPIhavingeightanimalseach.Lambsof
infectedgroupsweredrenchedwith200infectivelarvae(L3)/kgLWafteronemonthof
experimentalfeeding,andsubsequentlywith300L3/kgLWthreetimesaweekfor13
consecutiveweeks.Theexperimentlastedfor21weekswithrecordoffeedintakeand
weeklyLWchangealongwithcollectionofbloodandfaecalsamplesforanalysis.Body
conditionscore(BCS)ofanimalswererecordedattheendofinfectionregime.A
digestibilitytrialwasconductedduring13weeksofinfectiontoassessplaneof
nutrition.Themortalitywasgreaterandadverseclinicalsignssuchasinappetance,
weightlossandsubmandibularoedemaweremorefrequentintheLPIgroup.TheLPI
group alsohadmoresevereanaemia,hypoproteinaemiaandhypoalbumenaemia.
Faecaleggcounts,wormburden,establishmentoflarvaeandfecunditywerenot
significantly(P40.05) differentbetweenthegroupsofinfectedlambs.However,higher
proteinlevelsinthedietenhancedfeedandnutrientintakeandsupportedhigherLW
gain withbetterfeedefficiencyandimprovedBCS.Itmaythusbeconcludedthatlambs
on LPdietwerelessabletowithstandthepatho-physiologicaleffectsof H. contortus
than lambsonMPandHPdiets.
Not Available
 
Date 2021-07-15T09:14:20Z
2021-07-15T09:14:20Z
1001-01-01
 
Type Book
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/48123
 
Language English
 
Relation Not Available;
 
Publisher Not Available