Effects of feeding different sorghum varieties on the haematological parameters and carcass measurements of growing rabbits
An eight-week feeding trial was conducted to investigate the effect of different sorghum varieties on the blood parameters and carcass measurements of cross-bred (Dutch x New Zealand) growing rabbits aged between five and seven weeks. Twenty five rabbits were randomly allocated to five dietary treatments; T1 (100% maize), T2 (50% maize and 50% “Chakalare” sorghum), T3 (100% Chakalare” sorghum), T4 (50% maize and 50% “Jigare” sorghum) and T5 (100% “Jigare” sorghum). The “Chakalare” and “Jigare” are low-tannin and high- tannin sorghum varieties respectively. The haematological parameters were Packed Cell Volume (PCV), Haemoglobin (Hb), Red Blood Cell (RBC), White Blood Cell (WBC), Mean Corpuscular Volume (MCV), Mean Corpuscular Haemoglobin (MCH), Mean Corpuscular Haemoglobin Concentration (MCHC), Monocytes (%) basophils (%), Neutrophils (%), Eosinophils (%) and Lymphocytes (%). The carcass parameters were Slaughter weight (g), Dressed weight (g), Dressing percentage %, (As % of slaughter weight) of Shoulder/forelegs, Rack, Loin, Thighs/Hind legs, Skin/pelt, Tail, Head, Feet, Heart Liver, Lungs, Kidneys, Kidneys Caecum, Stomach, Large intestine, Small intestine, Caecum length (cm), Stomach length (cm), Small intestine length (cm) and Body length (cm). The response showed that most of the haematological parameters were significantly affected (P<0.05) by the different varieties of sorghum in the diets except packed cell volume, mean corpuscular volume, mean corpuscular haemoglobin concentration and basophils which were not significantly affected (P>0.05) by the different varieties of sorghum in the diets. However, most of the haematological values fell within the normal ranges PCV (37.33 to 40.67 %), Hb (13.37- 156.73 %), RBC (5.57-6.93%) and WBC (12.67-14.83) of growing rabbits. The carcass measurements and organs expressed as percentage of slaughter weight were not significantly (P>0.05) different among the treatment groups except slaughter weight, dressing percentage, rack, loin, liver, caecum weight and stomach length which were significantly (P<0.05) different. The study indicated that the two varieties of sorghum (“Chakalare” and “Jigare”) can be included in the diets of growing rabbits as replacement for maize without adverse effect on haematology and carcass parameters of growing rabbits.
Keywords: Growing rabbits, Sorghum varieties, Haematological parameters and carcass measurements, Nigeria
The Momona Ethiopian Journal of Science accepts the manuscripts for consideration with the understanding that the manuscript has not been published and is not under consideration for publication elsewhere. Only original articles will be considered for publication if they have been published previously as abstracts, but not if they have been published previously as extended abstract (>1000 words). This applies to both electronic and print versions of the journal. The authors should assign copyright ownership to the Editorial Office of MEJS in the event that the manuscript is accepted for publication in the Momona Ethiopian Journal of Science. All accepted manuscripts must be accompanied by a copyright statement signed by all authors. A copy of the copyright form will be supplied along with the final reviewed version of the manuscript that is sent for final proof- reading. Authors may make multiple copies of the form if necessary and send to the Editorial Office with author’s signature(s) even individually.
All articles published by Momona Ethiopian Journal of Science (MEJS) are Open Access under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0). Under this license, authors retain ownership of the copyright for their content, and anyone can copy, distribute, or reuse articles as long as the author and original source are properly cited. In all these cases for re-use, the authors will be given proper credit to the original publication in MEJS.