Use of bean meal ( Phaseolus vulgaris L.) in goat rations for meat production
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Use of bean meal (Phaseolus vulgaris L.) in goat rations for meat production Milenna Alves dos Santos 1 & Amanda Estefanir Cordeiro 1 & Dielen Janaira Menezes da Silva 2 & Mario Adriano Avila Queiroz 2 & Glayciane Costa Gois 3 & Daniel Ribeiro Menezes 3 & Salete Alves de Moraes 4 & Tadeu Vinhas Voltolini 4 & Karina Costa Busato 5 & Rafael Torres de Souza Rodrigues 3 Received: 24 August 2018 / Accepted: 4 June 2019 # Springer Nature B.V. 2019
Abstract Bean meal (Phaseolus vulgaris L.) may be a viable alternative in ruminant feeding, mainly as a source of protein due to its high crude protein content. The aim of this study was to evaluate the effect of substitution of cottonseed cake (Gossypium hirsutum) with different levels of bean meal in goat feedlot rations on dry matter intake, digestibility, feeding behavior, performance, carcass characteristics, and hematological parameters. Twenty castrated male Repartida goats with an average initial weight of 14.7 ± 2.0 kg were allocated in a randomized block design with four treatments. The initial body weight was used to define the blocks. The treatments were different substitution levels of cottonseed cake by bean meal (0, 27.75, 64.63, and 100%) in the concentrate on a dry matter basis. The diets had a roughage:concentrate ratio of 50:50. Chopped elephant grass (Pennisetum purpureum) was used as roughage, while the concentrate was composed of ground corn, mineral mix, and different levels of bean meal and cottonseed cake. There were no treatment effects on dry matter intake, feed conversion, slaughter weight, carcass weight and yield, non-carcass component yield, and hematological parameters (P > 0.05). However, for both dry matter digestibility (P = 0.001) and daily weight gain (P < 0.001), there was a negative quadratic relationship between cottonseed cake and bean meal content in the diet. Bean meal can be used in goat diets to replace cottonseed cake as the only source of protein concentrate, since it did not affect the main performance characteristics. Keywords Alternative feeds . By-product . Cottonseed cake . Goats . Phaseolus vulgaris . Protein concentrate
Introduction This article belongs to the Topical Collection: Camelids Guest Editor: Bernard Faye * Rafael Torres de Souza Rodrigues [email protected] 1
College of Veterinary Medicine, Universidade Federal do Vale do São Francisco – UNIVASF, Petrolina, PE 56304-917, Brazil
2
Department of Animal Science, Universidade Federal do Vale do São Francisco – UNIVASF, Petrolina, PE 56304-917, Brazil
3
Department of Veterinary Sciences in Semiarid, Universidade Federal do Vale do São Francisco – UNIVASF, Petrolina, PE 56304-917, Brazil
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Empresa Brasileira de Pesquisa Agropecuária – Semiarid Embrapa, Petrolina, PE 56302-970, Brazil
5
Department of Animal Science, Universidade Federal de Viçosa – UFV, Viçosa, MG 36570-000, Brazil
Feed supplementation is necessary for the production of ruminants in the Brazilian semiarid region due to its long annual dry season. However, the us
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