J. O. Jegede, T. S. B. Tegbe, S. O. Ogundipe, P. I. Rekwot, T. O. Lasisi


The apparent digestibility and nitrogen balance of nutrients in isonitrogenous 18% crude protein diets containing 0, 10, 20 and 30% undelinted undecorticated cottonseed cake (UUCSC) was studied in a 28-day trial involving twelve weaner pigs of average initial weight of 12.0 kg. The treatments were replicated three times in a randomized block design trial. There were two periods of 14 days each and pigs were fed at 4 and 6% of their body weights respectively. Each period consisted of a 7-day adjustment period followed by a 7-day total collection period of faeces and urine. Feed intake, dry matter intake and feed to gain ratio were similar while weight gain decreased significantly (P<0.05) as the level of UUCSC increased in the diets. Nitrogen free extract digestibility was similar while apparent digestibilities of dry matter, crude protein, ether extract and crude fibre were all significantly (P<0.05) depressed as UUCSC level increased in diets. Apparent nitrogen retention was significantly (P<0.01) higher in pigs fed the control diets compared to those on UUCSC based diets. It is therefore concluded that, UUCSC based diets depressed growth rate, nutrient digestibility and nitrogen retention of young pigs. Weaner pigs can be fed up to 10% UUCSC diet.


Weaner pigs, Undelinted undecorticated cottonseed cake, Nutrient digestibility, Nitrogen retention.

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