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  Subjects -> NUTRITION AND DIETETICS (Total: 201 journals)
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Pakistan Journal of Nutrition
Journal Prestige (SJR): 0.216
Number of Followers: 2  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1680-5194 - ISSN (Online) 1994-7984
Published by ANSInet Homepage  [33 journals]
  • Effects of Varied Levels of Amino Acid-Rich Sweet Potato Composite on the
           Reproductive Performance of Rabbit Does Reared in the Tropics

    • Abstract: Objective: The primary objective of this study was to investigate how varied levels of Amino Acid-rich Composite Sweet potato affected lactating performance and overall Reproductive Cycle Outcomes in does. Materials and Methods: The crude protein content and amino acid profile of leaf, roots and composite meal produced from 65% root and 35% leaves for two varieties of sweet potato (Ipomoea batatas Lam.) namely, TIS 87/0087 white flesh sweet potato (WFSP) and CIP 440293 orange flesh sweet potato (OFSP), were analyzed. Twenty-five rabbit does of mixed breeds (New Zealand White×California×Chinchilla) aged 6-7 months were assigned randomly to one of five experimental diets: T1 (control), T2 and T3 contained 25 and 50% orange-fleshed CSPM and T4 and T5 contained 25 and 50% white-fleshed CSPM. The diets comprised 10.6-12.6% crude fibre, 16.4-17.6% crude protein and metabolizable energy of 2610-2788 kcal kg–1. Results: The crude protein content in roots of 87/0087 (WFSP) and CIP 440293 (OFSP) were 3.32 and 8.04%, respectively. There was an appreciable higher value of crude protein in the leaf of TIS 87/0087 (11.18%) and CIP 440293 (11.26%), respectively. The crude protein content was least in composite WFSP (6.13%) and higher in composite OFSP (14.8 %). Total amino acid content ranged from 7.704 to 18.35 and 23.717 to 23.863 g/100 g protein for root and leaf samples, respectively. The overall feed intake of does in all the treatments was not significantly different (p>0.05). Does fed on diets T4 and T5 had the largest litter size at birth (5.00) compared to the other treatments. In different treatments, there was no significant difference in initial average body weight, gestation duration, or litter weight of does at birth. Conclusion: The high content of crude protein and its quality amino acids in the two varieties of the sweet potato composite meals placed it on a commensurate level for consideration as a potential replacement for expensive conventional protein source in livestock diet.
      PubDate: 21 November, 2022
  • Effect of Andropogon gayanus and Centrosema pubescens Leaf Meals as Feed
           Ingredients on Growth Performance, Carcass Characteristics and
           Cost-Benefit of Growing Rabbits

    • Abstract: Objective: A study was conducted to evaluate the effect of Andropogon gayanus (Ag) and Centrosema pubescens (Cp) leaf meals on the growth performance, carcass characteristics and cost benefits of growing rabbits. Materials and Methods: A total of 24 growing rabbits of mixed sex aged between 8-10 weeks were used in a 63 days feeding trial. The rabbits were randomly assigned to four treatment groups in a completely randomized design (CRD). Each treatment was replicated three times having two rabbits per replicate. T1 (Control) contained 0% leaf meal. T2, T3 and T4 contained 5, 10 and 15% leaf meals, respectively. The data such as feed intake, weight gain, feed conversion ratio, protein consumption, protein efficiency and cost benefit ratios were generated. Carcass and organs characteristics were evaluated. The feed cost-benefit analysis was performed on the following: feed cost kg–1 weight gain, total cost of production and net returns. All the data generated were subjected to statistical analysis using One-way analysis of variance (ANOVA). Mean values were separated using Least significant difference (LSD). Results: No significant (p>0.05) difference was observed in all the growth performance parameters except the final body weight. The feed cost per kg weight gain decreased as the inclusion levels of Ag and Cp leaf meals increased. The total revenue and net returns increased as the inclusion levels of Ag and Cp leaf meals increased. Conclusion: It was observed that 15% inclusion level of Ag and Cp leaf meals is adequate for growing rabbit without any adverse effect on their normal growth and development. It is relatively cheaper to feed rabbits with Ag and Cp leaf meal based diets rather than the diet containing maize as energy source ingredient alone.
      PubDate: 10 September, 2022
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