Effect of Energy Level on Milk Yield and Composition of Red Sokoto Goats

  • Garba, M. G.
  • Salisu, U.S.
  • Sanusi, A.Z.
  • Gaddafi, S.
Keywords: Lactating, Energy, RSD, Milk


This study was carried out to investigate the effect of energy levels on Red Sokoto Goat milk yield and composition. A total of twenty (20) yearling Red Sokoto Does (RSD) which were estrus synchronized and impregnated using a buck, kindled at approximately the same time with ± 2 days differences between and within treatment groups. The animals were divided into four dietary energy treatment groups of five (5) animals each with four graded energy levels of 2,400, 2,200, 2,000 and 1,800 kcal/kg M.E in a completely randomized design (CRD). Duncan’s Multiple Range Tests (DMRT) was used to separate means among the treatments. Results obtained revealed that the proximate composition of the experimental diets were within the dietary recommendation for lactating goats. The result of milk yield was not statistically (P>0.05) different with decrease in energy levels. The chemical compositions of lactating RSD were greatly influenced (P<0.05) by energy levels. Milk fat, protein, acidity and titerable acidity percentages and milk specific gravity (g) were all significantly (P<0.05) higher with higher energy levels. However, the result of mineral profile of milk from RSD did not follow a regular pattern in relation to the energy changes, although, significant (P<0.05) differences in sodium, calcium, zinc, iron, copper and phosphorus (mg/kg) were recorded. It can be concluded therefore, that increased energy levels in the diets of lactating RSD to 2,200kcal/kg ME will increase milk yield up to 438 ml/day and considerable changes in both their physico-chemical and mineral profile. It is however recommended that 2,200 Kcal/kg ME energy be fed to the lactating RSD under the same condition.


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How to Cite
Garba, M. G., Salisu, U.S., Sanusi, A.Z., & Gaddafi, S. (2024). Effect of Energy Level on Milk Yield and Composition of Red Sokoto Goats . Nigerian Journal of Animal Science and Technology (NJAST), 6(4), 82 - 91. Retrieved from http://njast.com.ng/index.php/home/article/view/298