The effect of feeding fresh swine manure, poultry waste, urea, molasses and bakery by-products ensiled for lambs
Fernando Mart , Iacute , Nez San Pedro , Ignacio A. Dom , Nguez Vara , JosÉ Luis B. , Oacute , Rquez , Manuel Gonzalez , Ronquillo
The use of by-products such as swine manure (SM), poultry waste (PW), urea (U), molasses (M) and bakery by-product (BB) is an alternative method for lamb feeding. The objective of the present study was to determine the chemical composition, dry matter intake and digestibility in growing lambs using ensiled PW combined with BB (PWBB), SM with BB (SMBB), SM with M (SMM) and U with M (UM) in their diets.
Four silagesPWBB, SMBB, SMM and UMwere prepared, the chemical composition of the silages was determined (n = 3), silages and concentrate ratio (60:40) as fresh matter were given to growing lambs over 21 days as total period, and the collection of samples to determine intake and digestibility was carried out for the last 7 days, in a 4 × 4 Latin square design, with a significance level P
The organic matter (OM) was lower (P
The use of PWBB, SM combined with BB or M is an alternative method for lamb feeding, provided that a proper formulation supplies the nutrient requirements of crude protein and diminish the N excretion compared with UM diet.
Poultry waste , Fresh pig manure , Bakery by , product , Silage , Lambs
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