Effect of the wheat level in the diet, of the percentage of germinated grains and physical form of the feed on the performance of broilers
| Autor: | Eliana Maria Guariente, H. Mazzuco, Eduardo Spillari Viola, Paulo Antonio Rabenschlag de Brum, Flávio Bello Fialho, Gustavo Julio Mello Monteiro de Lima |
|---|---|
| Jazyk: | portugalština |
| Rok vydání: | 2000 |
| Předmět: |
Soybean meal
Randomized block design Biology ingredients Body weight SF1-1100 Feed conversion ratio wheat medicine Food science lcsh:SF1-1100 frango de corte Meal broilers feed form Broiler ingredientes food and beverages forma de ração trigo desempenho Animal culture Initial phase Animal Science and Zoology lcsh:Animal culture medicine.symptom Weight gain performance |
| Zdroj: | Revista Brasileira de Zootecnia v.29 n.1 2000 Revista Brasileira de Zootecnia Sociedade Brasileira de Zootecnia (SBZ) instacron:SBZ Revista Brasileira de Zootecnia, Volume: 29, Issue: 1, Pages: 168-176, Published: FEB 2000 Revista Brasileira de Zootecnia, Vol 29, Iss 1, Pp 168-176 (2000) |
| Popis: | RESUMO - O objetivo deste trabalho foi determinar o melhor nível de substituição do milho por trigo, com 0 e 9% de grãos germinados (GG) em rações para frangos de corte. Rações fareladas (RF) na fase inicial (1 a 21 dias), trituradas (RT) na fase de crescimento (21 a 35 dias) e peletizadas (RP) na fase final (35 a 42 dias) foram usadas. Foi usado delineamento experimental em blocos casualizados, com cinco tratamentos e 12 repetições de 26 aves, na fase inicial, e 10 tratamentos e seis repetições de 26 aves, nas fases de crescimento e final. Os tratamentos foram: T1 - dieta à base de milho e farelo de soja (DMFS); T2 e T4 - substituição de 50% do milho da dieta T1 por trigo com 0 e 9% GG, respectivamente; e T3 e T5 - substituição de 100% do milho por trigo com 0 e 9% GG, respectivamente. O uso de RT de 21 a 35 dias e RP de 35 a 42 dias de idade aumentou o peso corporal (PC), ganho de peso (GP) e consumo de ração (CR). Contudo, a conversão alimentar somente foi melhor com a RT de 21 a 35 dias. O trigo com até 9,0% GG poderia substituir totalmente o milho em dietas de frangos de corte, quando comparadas à DMFS. Nas dietas à base de trigo e farelo de soja, o trigo com 0% GG determinou maiores PC, GP e CR que o trigo com 9% GG. ABSTRACT - The objective of this work was to determine the best level of replacement of corn by wheat with 0 and 9% of germinated grains (GG) in broiler chicken diets. A mashed diet (MD) at the initial phase (0 to 21 days), crumbled diets (CD) at the growing phase (21 to 35 days) and pelleted diets (PD) at the final phase, (35 to 42 days) were used. A randomized block design with five treatments and 12 replicates with 26 birds each at the initial phase and 10 treatments and six replicates of 26 birds at the growing and finishing phases, were used. The treatments were: T1 - Corn and soybean meal based diet (DCSM), T2 and T4 - Replacement of 50% of corn in T1 diet by wheat with 0 and 9% of germinated grains (GG), respectively; T3 and T5 - Replacement of 100% of corn in T1 diet by wheat with 0 and 9% GG, respectively. The use of CD diets from days 21-35 and PD from 35 to 42 days of age increased the body weight (BW), weight gain (WG) and feed:gain ratio (F:G). However, feed:gain ratio was better only with CD from 21 to 35 days. The wheat with up to 9,0% GG could completely replace corn in broiler diets, when compared to DCSM. Among the wheat-soybean meal based diets, the wheat with 0% GG resulted on greater BW, WG and FC than wheat with 9% GG. |
| Databáze: | OpenAIRE |
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