E-ISSN 2536-9520 | ISSN 1110-2047
 

Original Research (Original Article) Open Access


Growth Performance and Economic Efficiency of Growing New Zealand White Rabbits Fed Different Levels of Crud Fiber by Using Corn Cob With and Without Enzyme Supplementation

Abeer E. Aziza, Samer S. Ibrahim, Rania Mahmoud.

Abstract
A total of fifty weanling New Zealand White (NZW) rabbits that were five weeks old (800 g live weight on average) were randomly allocated into five groups of 10 rabbits each and were housed in individual cages. The groups were control (12% CF and 30.08 NDF), 14% CF without enzymes (30.69 NDF), 14% CF with enzymes (30.69 NDF), 16% CF without enzymes (31.76 NDF), 16% CF with enzymes (31.76 NDF) for groups 1, 2, 3, 4, and 5, respectively. All groups received pelleted diets ad libitum for 6 weeks. Daily feed intake was recorded and total feces were collected daily and weighed individually during four days for digestibility trial. live body weight (BW), daily weight gain (WG), feed intake, feed conversion ratio (FCR) were evaluated. Apparent digestibility of nutrients [crude protein (CP), Dry matter (DM), ash], carcass traits, and some blood serum constituents (glucose, total protein, albumin, AST, and ALT) were determined. Also, the economic efficacy of this study was determined. The results showed significant reduction (P<0.05) in FBW and WG in G3 (14% CF with enzyme supplementation) compared with other treatment groups. No significant differences in feed conversion ratio (FCR) were detected among treatment groups. Also, there were no significant differences in dressed carcasses, and relative weight % of spleen and kidney. However, there was a significant difference in liver percentage. The longest cecum length (50.50 and 50.00 cm) and lowest pH (6.23 and 6.04) were recorded with rabbits in G4 and G5, respectively. However, significant increases in apparent nutrients digestibility (CP, DM, Ash) were found in G4 and G5. No significant differences were detected in serum liver enzymes (AST & ALT) between treatment groups. However, there was a significant increase in total serum protein and decrease in serum glucose in G2, G4 and G5 compared to the control group. For economic production, the study revealed that the growing rabbits fed diets containing 16% CF (G4) gave the best economic value whereas the lowest efficiency was for group 3 (14% CF plus enzymes supplementation).

Key words: Keywords: growing rabbits, dietary fiber, performance, digestibility and economic efficiency


 
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How to Cite this Article
Pubmed Style

Aziza AE, Ibrahim SS, Mahmoud R. Growth Performance and Economic Efficiency of Growing New Zealand White Rabbits Fed Different Levels of Crud Fiber by Using Corn Cob With and Without Enzyme Supplementation. AJVS. 2017; 55(1): 99-109. doi:10.5455/ajvs.276341


Web Style

Aziza AE, Ibrahim SS, Mahmoud R. Growth Performance and Economic Efficiency of Growing New Zealand White Rabbits Fed Different Levels of Crud Fiber by Using Corn Cob With and Without Enzyme Supplementation. http://www.alexjvs.com//?mno=276341 [Access: December 18, 2017]. doi:10.5455/ajvs.276341


AMA (American Medical Association) Style

Aziza AE, Ibrahim SS, Mahmoud R. Growth Performance and Economic Efficiency of Growing New Zealand White Rabbits Fed Different Levels of Crud Fiber by Using Corn Cob With and Without Enzyme Supplementation. AJVS. 2017; 55(1): 99-109. doi:10.5455/ajvs.276341



Vancouver/ICMJE Style

Aziza AE, Ibrahim SS, Mahmoud R. Growth Performance and Economic Efficiency of Growing New Zealand White Rabbits Fed Different Levels of Crud Fiber by Using Corn Cob With and Without Enzyme Supplementation. AJVS. (2017), [cited December 18, 2017]; 55(1): 99-109. doi:10.5455/ajvs.276341



Harvard Style

Aziza, A. E., Ibrahim, S. S. & Mahmoud, R. (2017) Growth Performance and Economic Efficiency of Growing New Zealand White Rabbits Fed Different Levels of Crud Fiber by Using Corn Cob With and Without Enzyme Supplementation. AJVS, 55 (1), 99-109. doi:10.5455/ajvs.276341



Turabian Style

Aziza, Abeer E., Samer S. Ibrahim, and Rania Mahmoud. 2017. Growth Performance and Economic Efficiency of Growing New Zealand White Rabbits Fed Different Levels of Crud Fiber by Using Corn Cob With and Without Enzyme Supplementation. Alexandria Journal of Veterinary Sciences, 55 (1), 99-109. doi:10.5455/ajvs.276341



Chicago Style

Aziza, Abeer E., Samer S. Ibrahim, and Rania Mahmoud. "Growth Performance and Economic Efficiency of Growing New Zealand White Rabbits Fed Different Levels of Crud Fiber by Using Corn Cob With and Without Enzyme Supplementation." Alexandria Journal of Veterinary Sciences 55 (2017), 99-109. doi:10.5455/ajvs.276341



MLA (The Modern Language Association) Style

Aziza, Abeer E., Samer S. Ibrahim, and Rania Mahmoud. "Growth Performance and Economic Efficiency of Growing New Zealand White Rabbits Fed Different Levels of Crud Fiber by Using Corn Cob With and Without Enzyme Supplementation." Alexandria Journal of Veterinary Sciences 55.1 (2017), 99-109. Print. doi:10.5455/ajvs.276341



APA (American Psychological Association) Style

Aziza, A. E., Ibrahim, S. S. & Mahmoud, R. (2017) Growth Performance and Economic Efficiency of Growing New Zealand White Rabbits Fed Different Levels of Crud Fiber by Using Corn Cob With and Without Enzyme Supplementation. Alexandria Journal of Veterinary Sciences, 55 (1), 99-109. doi:10.5455/ajvs.276341





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