Growth performance of Sudan Baggara bulls fed diets containing Hibiscus (Karkade) seeds as a non-conventional protein source

摘要

Fifty-fivebullsofSudaneseBaggaracattletypewereusedforthisstudy.Bullsweredividedintofivetreatmentgroupseachofelevenanimals.Fiveiso-caloric,iso-nitrogenousdiets0HS,25HS,50HS,75HSand100HSwereformulatedtocontaindifferentlevelsofKarkadeseedsproteintoreplace0%,25%,50%,75%and100%nbsp;ofgroundnutcakeprotein.Thedietswererandomlydistributedamongtheanimalgroups.Thefeedingtrialextendedforeighty-fourdaysstartingwithanadaptationperiodthatlastedintwoweeks.nbsp;Nosignificantdifferenceswereobservedbetweenthetreatmentgroupsinslaughterdata.Although,animalsofgroup0HSshowedthebestresultsinslaughterweight,emptybodymass,hotcarcassweightandchillershrinkage,butnotfordressingpercentagewhereanimalsofgroup75HSattainedthehighestvalue.Weightofloinjointwassignificantly(P0.05)differentbetweengroup25HSand75HS,andgroup50HSand75HS,wherethelatergroupshowedthehighestweight.Muscle,bone,fatandtrimmingsweightswerenotsignificantlydifferentbetweenthetreatments;whilemuscle-to-boneratiowasthehighestingroup0HSandtheleastingroup50HS.Conversely,group100HSshowedthehighestmuscle-to-fatratioandgroup0HSattainedtheleastratio.Thedifferencewasonlysignificant(P0.05)betweengroup0HS,25HSand100HS.nosignificantdifferenceswereobservedinbodycomponentsbetweenthetreatmentgroups,exceptforhideweight,mesenteryandomentalfat.nbsp;ItisconcludedthatgeneralgrowthperformanceoftheexperimentalgroupswasimprovedasinclusionlevelofKarkadeseedsincreasedupto75%.MeatqualityattributeswerealsoenhancedwithinclusionofKarkadeseedsprotein.