Response of New Zealand Rabbits to Diet Containing Guava Waste (Psidium Guaijava L.): 1. Effect on Growth Performance, Diet Digestibility and Economic Efficiency

Eman Ramadan Kamel; Fathy Abdel-Fattah; Hadeel Samy El-Qaliouby; and Mahmoud E.A.A

doi:10.5455/ajvs.232098

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Original Article
Online Published: 02 Aug 2016

AJVS. 2016; 50(1): 24-35

doi: 10.5455/ajvs.232098

Response of New Zealand Rabbits to Diet Containing Guava Waste (Psidium Guaijava L.): 1. Effect on Growth Performance, Diet Digestibility and Economic Efficiency

Eman Ramadan Kamel, Fathy Abdel-fattah, Hadeel Samy El-qaliouby, And Mahmoud E.a.a.

Abstract
Forty eight New Zealand White weaned male rabbits (28 d of age) were classified into 4 groups (12/group). Four isonitrogenous, iso-energetic and isofibrous diets were formulated. The control diet was based on corn, soybean and straw. Guava waste (GW) was collected, dried and crushed as meal, then chemically analyzed. Three diets (D1, D2 and D3) were prepared to contain 20% dried GW meal. Diets D2 and D3 were supplemented by 1% of either a blend of organic acids or Mannan oligosaccharide (MOS), respectively. Diets and water were offered ad-libitum to rabbits and feed intake was recorded daily. Body weight change was recorded weekly and. Digestibility trial was carried out at 46 d of age by fecal collection for 4 successive days and followed by feed and feces analysis. The digestion coefficients were calculated for organic matter (OM), crude protein (CP), ether extract (EE), neutral detergent fiber (NDF), acid detergent fiber (ADF), and non fiber carbohydrate (NFC). At 98 d of age, blood samples were collected after slaughter for hematology and carcass dressing measurements. Results revealed that GW was rich in crude fiber but its inclusion in the diet improved significantly (P<0.05) OM and nutrients digestibility, feed conversion ratio (FCR), and performance index (PI) of rabbits fed diets D1, D2 and D3 when compared with the control group. Organic acids and MOS supplementation to diets D2 and D3 improved the efficiency of feed digestibility and growth. Results of blood and carcass traits showed no adverse effect of GW inclusion in the diet of rabbits. Economically, inclusion of GW either alone in the diet or with MOS supplementation was the most profitable when compared with other diets. In conclusion, GW can be satisfactory added to diets of growing rabbits without negative effect on growth, digestibility, health and carcass characteristics , and economizes feed costs and preserves the environment by reduction of pollution caused by its processing and manufacturing.

Key words: Guava waste, organic acids, rabbit, mannan oligosaccharide, growth, digestibility.

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Pubmed Style

Kamel ER, Abdel-fattah F, El-qaliouby HS, E.a.a AM. Response of New Zealand Rabbits to Diet Containing Guava Waste (Psidium Guaijava L.): 1. Effect on Growth Performance, Diet Digestibility and Economic Efficiency. AJVS. 2016; 50(1): 24-35. doi:10.5455/ajvs.232098

Web Style

Kamel ER, Abdel-fattah F, El-qaliouby HS, E.a.a AM. Response of New Zealand Rabbits to Diet Containing Guava Waste (Psidium Guaijava L.): 1. Effect on Growth Performance, Diet Digestibility and Economic Efficiency. https://www.alexjvs.com/?mno=232098 [Access: March 26, 2025]. doi:10.5455/ajvs.232098

AMA (American Medical Association) Style

Kamel ER, Abdel-fattah F, El-qaliouby HS, E.a.a AM. Response of New Zealand Rabbits to Diet Containing Guava Waste (Psidium Guaijava L.): 1. Effect on Growth Performance, Diet Digestibility and Economic Efficiency. AJVS. 2016; 50(1): 24-35. doi:10.5455/ajvs.232098

Vancouver/ICMJE Style

Kamel ER, Abdel-fattah F, El-qaliouby HS, E.a.a AM. Response of New Zealand Rabbits to Diet Containing Guava Waste (Psidium Guaijava L.): 1. Effect on Growth Performance, Diet Digestibility and Economic Efficiency. AJVS. (2016), [cited March 26, 2025]; 50(1): 24-35. doi:10.5455/ajvs.232098

Harvard Style

Kamel, E. R., Abdel-fattah, . F., El-qaliouby, . H. S. & E.a.a, . A. M. (2016) Response of New Zealand Rabbits to Diet Containing Guava Waste (Psidium Guaijava L.): 1. Effect on Growth Performance, Diet Digestibility and Economic Efficiency. AJVS, 50 (1), 24-35. doi:10.5455/ajvs.232098

Turabian Style

Kamel, Eman Ramadan, Fathy Abdel-fattah, Hadeel Samy El-qaliouby, and And Mahmoud E.a.a. 2016. Response of New Zealand Rabbits to Diet Containing Guava Waste (Psidium Guaijava L.): 1. Effect on Growth Performance, Diet Digestibility and Economic Efficiency. Alexandria Journal of Veterinary Sciences, 50 (1), 24-35. doi:10.5455/ajvs.232098

Chicago Style

Kamel, Eman Ramadan, Fathy Abdel-fattah, Hadeel Samy El-qaliouby, and And Mahmoud E.a.a. "Response of New Zealand Rabbits to Diet Containing Guava Waste (Psidium Guaijava L.): 1. Effect on Growth Performance, Diet Digestibility and Economic Efficiency." Alexandria Journal of Veterinary Sciences 50 (2016), 24-35. doi:10.5455/ajvs.232098

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