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DESEMPENHO DE CORDEIROS SANTA INÊS SUBMETIDOS A ALEITAMENTO ARTIFICIAL ENRIQUECIDO COM Spirulina platensis

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Author(s): Leilson Rocha Bezerr a | Aderbal Marcos Azevedo Silva | Solange Absalão Azevedo | Rodrigo Souza Mendes | Júlia Mary Mangueira | Anny Kaline Andrade Gomes

Journal: Ciência Animal Brasileira
ISSN 1518-2797

Volume: 11;
Issue: 2;
Start page: 258;
Date: 2010;
Original page

Keywords: Feed | milk | sheep | Spirulina platensis

ABSTRACT
The experiment was carried out in Maria Paz Ranch/SheepProduction Department, in São José de Espinharas, PB. Analyseswere performed in the Laboratory of Animal Nutrition/Centrode Saúde e Tecnologia Rural/Universidade Federal de CampinaGrande. The objectives of this study were to evaluate the effectof the supplementation with cow milk enriched with Spirulinaplatensis (Sp) on lamb performance submitted to creep feeding,and determine the most adequate period to suplemet nursinglambs with Spirulina platensis. Data on dry matter (DMC) andcrude protein (CPC) consumptions, body weight (BW), and meandaily body weight gain (MDBWG) were colleted. The three levelsof Spirulina supplementation were assigned to 30 lambs (plots)according to a randomized block (lamb weight) design with 10replications. Data were collected in four consecutive periods,characterizing a split plot in time. DM and CP consumptions werenot affected by spirulina level x period interaction, and increasedwith periods (animal age). BW and MDBWG were affected bythe spirulina level x period interaction. Spirulina levels affectedMDBWG only from day 0 to day 15, when the MDBWG (300g)was higher at level 10g than at level zero of Spirulina that resulted in 205g in MDBWG. Live body weight at the end of each periodwas also higher when the lambs were supplemented with 10 g ofSpirulina (12.00 17.02, 19.71 and 25.30kg, respectively, for thefour consecutive periods). The dilution of Spirulina platensis incow milk showed to be efficient on the daily performance of lambswhen utilized in concentration of 10g/day and from period 15 to30 days of age.

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