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Kashif Nauman,Muhammad Hayat Jaspal,Bilal Asghar,Adeel Manzoor,Kumayl Hassan Akhtar,Usman Ali,Sher Ali,Jamal Nasir,Muhammad Sohaib,Iftikhar Hussain Badar 한국축산식품학회 2022 한국축산식품학회지 Vol.42 No.1
This trial was conducted to evaluate the effect of overwrap, vacuum, and modified atmosphere packaging (MAP) on poultry breast fillets' microbiological, biochemical shelf life and sensory attributes. The fillets were divided into 4 groups, and each of the treatments was replicated 3 times with 60 breast fillets. The first group was a control group with overwrap packaging; the second group was vacuum packed (VP); the third and fourth groups were MAP-1: 0% O2, 40% CO2, 60% N2, and MAP-2: 20% O2, 40% CO2, 40% N2. The microbiological and biochemical analyses were performed for the total viable count, coliform count, Pseudomonas count, Salmonella count, total volatile basic nitrogen (TVB-N), pH, cooking loss, color, lipid oxidation, tenderness, and sensory analysis. The data were analysed through two-way ANOVA by Minitab (Minitab 17.3.1). Meat treated with understudy MAP compositions and vacuum packaging reduced total viable count, Pseudomonas count, and total coliform count than control (p<0.05). TVB-N remained below the recommended limit throughout storage except aerobic packaging (p<0.05). Cooking loss (%) was lowered and showed non-significant results (p>0.05) between vacuum packaging and both MAP concentrations. The meat stored in MAP-2 was characterised by higher (p<0.05) visual scores. Whilst MAP-1 showed higher (p<0.05) L* values and overall acceptability. Sample packaged under aerobic packaging showed significant (p<0.05) results for b* and thiobarbituric acid reactive substances (TBARS). Meat stored in aerobic packaging showed higher (p<0.05) shear force values. The outcome of this trial may help to promote the application of understudy MAP compositions and rapid detection of microbes by biochemical analysis under local conditions.
( Ijaz Ahmad ),( Muhammad Fiaz ),( Muhammad Nauman Manzoor ),( Tanveer Ahmad ),( Muhammad Yaqoob ),( Ik Hwan Jo ) 한국동물자원과학회(구 한국축산학회) 2013 한국축산학회지 Vol.55 No.6
Male cattle calves(n=24), 9-12 months age, with an average body weight of 120±20kg were fed total mixed rations(TMR) for 120 days to determine their growth performance. Animals were divided into four groups(six of each breed): Crossbred (Friesian×Sahiwal), Dhanni, Lohani, and Cholistani. The data obtained were analyzed using analysis of variance techniques under a completely randomized design. The average daily gain(ADG), feed efficiency(FE), and dressing percentage ranged from 639-892g/d, 0.105-0.155kg/kg, and 51.2-51.5%, respectively, in the different breeds. The ADG and FE did not differ between the Crossbred, Dhanni, and Lohani breeds, but these values were lower in Cholistani calves(P<0.05). The dressing percentage was similar in all breeds. The highest increase in body height was observed in Dhanni calves, but heart girth was obviously higher in Lohani calves. The feed cost per kg gain was higher for Cholistani calves but similar among Crossbred, Dhanni, and Lohani calves(P>0.05). In conclusion, Dhanni, Lohani, and Crossbred calves possess the promising potential for beef production under the rainfed(Barani) conditions of the Punjab.