|Title:||Nutritive value of triticale fed to cockerels and chicks||Authors:||Flores Mengual, María Pastora
McNab, James M.
Castañón Rodríguez, José Ignacio
|UNESCO Clasification:||3104 Producción Animal
Nutritive value, et al
|Issue Date:||1994||Publisher:||0007-1668||Journal:||British poultry science (Print)||Abstract:||1. The chemical composition, and amino acid and starch bioavailabilities of 18 triticale varieties were studied. In addition, the water soluble pentosan (WSP) content of 8 varieties was determined. 2. A wide variation in protein (149 to 203 g/kg DM), starch (563 to 629 g/kg DM) and WSP (27·7 to 50·9 g/kg DM) was found between varieties. 3. The TMEn reproductibility was assessed in two laboratories, using Leghorn cockerels, Isabrown cockerels and 3-week-old chicks. There were no significant differences in the TMEn values (range 14·0 to 15·2 MJ/kg DM) between the two types of cockerel. The TMEn values of the varieties were similar for chicks (range 13·6 to 14·9 MJ/kg DM) and for cockerels, with the exception of one variety. 4. The bioavailability of starch (range 96·5 to 99·4%) of some varieties was higher for cockerels than for chicks. The mean bioavailability of amino acids for cockerels was 94·5%. 5. TMEn prediction equations were derived from the chemical composition of the varieties. Best-fit equations were obtained for starch (R2= 0·62, RSD = 0·24), ash (R2= 0·58, RSD = 0·25) and WSP (R2= 0·52, RSD = 0·27).||URI:||http://hdl.handle.net/10553/47071||ISSN:||0007-1668||DOI:||10.1080/00071669408417718||Source:||British Poultry Science [ISSN 0007-1668], v. 35, p. 527-536|
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