Replacement of cereal grains by orange pulp and carob pulp in faba bean-based diets fed to lambs: effects on growth performance and meat quality

Abstract

-Fourteen weaned lambs (43 days of age) were divided into two equal groups of seven animals and received two different diets. The experimental diet contained 10% of carob pulp and 10% of orange pulp associated to 54% of faba bean. The control diet contained 12% of maize meal and 12% of barley meal associated to 49.2% of faba bean. Both diets were pelletted and given ad libitum. The two diets had comparable contents of dry matter, ash, crude fat, fibre and crude protein. Control diet was relatively higher in soluble nitrogen than the experimental one. However, experimental diet was higher in fibre-bound nitrogen and in total and condensed tannins than control one. At the end of the feeding trial (120 d of age) growth and slaughter performance were comparable between treatments. Chemical analysis of meat samples did not show any significant difference between groups. Physical analysis of meat showed a higher (P < 0.05) lightness (L*) value in experimental group than in the control one. Sensory analysis allowed the panellists to discriminate lamb meat from the two groups. Flavour, tenderness and juiciness were judged to be more intense (P < 0.01) in the meat of control group; also overall acceptability was higher (P < 0.05) in this group. It was concluded that the replacement of cereal grains with carob and orange pulp in lamb fattening diet is useful to reduce feeding costs. Nevertheless, we need further investigations on the level of inclusion in the diet, in order to avoid the negative effects on sensory attributes without detrimental effect on growth performance.cereal grains / orange pulp / carob pulp / growth / meat quality / sheep Résumé -Remplacement des grains de céréales par la pulpe d'orange et la pulpe de caroube dans des régimes à base de féverole destinés aux agneaux. Effets sur la croissance et la qualité de la viande. Quatorze agneaux sevrés et âgés de 43 jours ont été répartis en deux lots homogènes. M. Lanza et al.22

Carcass quality and cost-benefit of rabbits fed cassava peel meal

“…Cooking loss values, which were within the range of 23.94 to 39.18% reported by Omojola and Adesehinwa (2006) and Sobayo et al (2008), were not significantly (p>0.05) different among the treatments. In general, except for ECPM diets where few of the studied carcass characteristics parameters were affected, the non-significant differences between the control diet and the other two CPM diets confirms the previous study (Lanza et al, 2001) who demonstrated that inclusion 10% of alternative feedstuffs, orange pulp and carob pulp, did not impact carcass characteristics.…”

Using of Citrus By-products in Farm Animals Feeding

“…CP has been previously used as a high energy feed in ration for supporting growth and lactation of cattle. 22 A large number of the citrus by-products are suitable for inclusion in ruminant diets because of the ability of ruminants to ferment high fiber feeds in the rumen. 11 CP can be used in animal feeding either fresh or after ensiled or dehydrated.…”

In vitro determination of ruminal dry matter and cell wall degradation, and production of fermentation end-products of various by-products

“…The by-products with a major percentage of DM loss at 48 h were orange and lemon peels (89.8 and 86.0%, respectively) and broccoli (86.1%). It is reasonable to expect a good efficiency in ruminant degradation when the citrus byproducts are studied because these feeds are highly fermentable [5,17]. Also melon, boiled and fresh artichoke had high values (77.5, 73.0 and 65.0%, respectively).…”