plasma sangüíneo em pó em dietas para leitões desmamados aos 14 dias de idade spray dried plasma in diets for piglets weaned with 14 days of age

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ID: 176775
2008
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Abstract
Foi conduzido um experimento utilizando 128 leitões com peso inicial de 4,32 ± 0,55 kg, desmamados aos 14 dias de idade, distribuídos em delineamento em blocos, composto de quatro tratamentos, oito repetições e quatro animais por unidade experimental, com o objetivo de avaliar níveis de inclusão de plasma sangüíneo em pó (PSP) em dietas para leitões em três períodos consecutivos: 14 a 28 (período 1); 29 a 35 (período 2) e 36 a 42 (período 3) dias de idade. Os níveis de PSP foram de 0,0; 4,0; 6,0 e 8,0% para o período 1; 0,0; 2,8; 4,2 e 5,6% para o período 2 e 0,0; 2,0; 3,0 e 4,0% para o período 3. No período 4 (43 a 56 dias de idade), todos os leitões foram alimentados com dieta isenta de PSP. Durante o período 1, o consumo diário de ração (CDR) e o ganho de peso diário (GPD) foram afetados de forma linear crescente pelos níveis de PSP, entretanto, o modelo Linear Response Plateau foi o que melhor se ajustou aos dados; a partir dele, estimaram-se os níveis de 7,5% de PSP para CDR e de 6,6% para GPD. No período 2, os níveis de PSP não influenciaram essas características de desempenho. No período 3, verificou-se efeito dos níveis de PSP sobre o GPD, que diminuiu de forma linear a medida que os níveis PDP aumentou. Entretanto, não foi constatada diferença no CDR entre os níveis de PSP. Não houve efeito residual dos níveis de PSP sobre o CRD e o GPD no período 4. O nível de inclusão de PSP na dieta de leitões desmamados aos 14 dias de idade é de 7,5% para o período de 14 a 28 dias de idade dos animais.
One hundred and twenty-eight pigs, averaging initial weight of 4.32 ± 0.55 kg and weaned with 14 days of age, were allotted to a completely randomized experimental block design, composed by four treatments, eight replicates and four animals in each experimental unit, to evaluate the levels of inclusion of spray dried plasma (SDP) in diets for piglets, in three consecutive periods: from 14 to 28 (period 1); 29 to 35 (period 2) and 36 to 42 (period 3) days of age. The levels of inclusion of SDP were 0.0, 4.0, 6.0, and 8.0 for the period 1, 0.0, 2.8, 4.2, and 5.6% for the period 2 and 0.0, 2.0, 3.0, and 4.0% for the period 3. From 43 to 56 days of age (period 4) all piglets were fed a diet without SDP. During period 1, daily feed intake (DFI) and daily weight gain (DWG) were linearly affected by the increase the levels of SDP, however, the Lineal Response Plateau model was that better fit the data, and was estimated 7.5% of SDP for ADFI and 6.6% for DWG. In the period 2, there was no influence of the SDP levels on performance characteristics. In period 3, there was effect of the SDP levels on the DWG, which linearly reduced as SDP levels increased. However, no treatment effect on DFI was observed. No residual treatment effect on DFI and DWG in period 4 was observed. The dietary SDP inclusion level of weaned piglets at 14 days of age is of 7.5% from 14 to 28 days.
Reference Key
gatts2008revistaplasma Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Gustavo Gattás;Aloízio Soares Ferreira;Fellipe Freitas Barbosa;Francisco Carlos de Oliveira Silva;Juarez Lopes Donzele;Darci Clementino Lopes
Journal european journal of lipid science and technology
Year 2008
DOI
10.1590/S1516-35982008000200014
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982008000200014
Keywords
amino acid

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