2009
DOI: 10.1590/s1516-35982009001200016
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Inclusion of guava wastes in feed for broiler chickens

Abstract: -The objective of this study was to evaluate the effect of including guava wastes in the feed on the performance and carcass yield of broiler chickens. An experiment was carried out with 300 male Cobb strain chicks, in a randomized complete design with five levels of waste and five replications. A reference diet based on corn and soybean meal and four feeds with 3, 6, 9 or 12% guava waste were evaluated. The feed intake, weight gain and feed conversion were assessed weekly; the weight at slaughter and the weig… Show more

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Cited by 13 publications
(11 citation statements)
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“…Regarding the economic efficiency measurements among the different experimental groups, the percentages of TR/TC, NP/TC and NP/TR were higher significantly (p < 0.05) for D2 and D1 than control and D3 experimental groups. These results indicated that inclusion of GW in rabbit diet either alone or with MOS supplementation was the most profitable when compared with other diets, that agreed with those of (El-Deek et al, 2009;Lira et al, 2009 ;Ani and Ugwuowo, 2011;EL-Manylawi, 2011;El-Sheikh et al, 2013;Gaber et al, 2014 andEl-Anany, 2015), they indicated that the use of alternative feed ingredients reduce the overall cost of production with improving profitability. GW can be used effectively as feed ingredient in the diet of growing rabbits at levels of up to 20% without negative effect on the productive and economic efficiency.…”
Section: Economic Efficiencysupporting
confidence: 75%
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“…Regarding the economic efficiency measurements among the different experimental groups, the percentages of TR/TC, NP/TC and NP/TR were higher significantly (p < 0.05) for D2 and D1 than control and D3 experimental groups. These results indicated that inclusion of GW in rabbit diet either alone or with MOS supplementation was the most profitable when compared with other diets, that agreed with those of (El-Deek et al, 2009;Lira et al, 2009 ;Ani and Ugwuowo, 2011;EL-Manylawi, 2011;El-Sheikh et al, 2013;Gaber et al, 2014 andEl-Anany, 2015), they indicated that the use of alternative feed ingredients reduce the overall cost of production with improving profitability. GW can be used effectively as feed ingredient in the diet of growing rabbits at levels of up to 20% without negative effect on the productive and economic efficiency.…”
Section: Economic Efficiencysupporting
confidence: 75%
“…Also GW contains a good profile of amino acids, mainly arginine, glutamic acid, aspartic acid, glycine and leucine (Habib, 1986) with 12 fatty acids improve its nutritive value for feeding (Opute, 1978 andAly 1981). Furthermore, the synergic effect of EE and CF in GW have improved the gastrointestinal transit and consequently improved BWG (Lira et al, 2009). For FCR and PI in Table 3, there was significant improvement (P<0.05) for rabbits fed diet D2 when compared with the control diet and insignificantly with D1 and D3.…”
Section: Growth Performance and Feed Efficiencymentioning
confidence: 96%
“…Assim, é possível inferir que a composição química do FG não influenciou de forma negativa na digestibilidade dos nutrientes e consequentemente no desempenho das aves até o nível de 10% de substituição. Lira et al (12) avaliaram o efeito da inclusão de FG (0, 3, 6, 9 e 12%) na ração sobre o desempenho e rendimento de carcaças de frangos de corte. Os autores afirmam que a inclusão de FG até o nível de 12% na ração foi semelhante ao desempenho e rendimento de carcaça das aves que se alimentaram sem o resíduo.…”
Section: Resultsunclassified
“…Contudo, do ponto de vista fisiológico do animal, o elevado conteúdo de fibra pode ser um entrave na inclusão de altos níveis deste ingrediente nas rações de não-ruminantes, pois as aves têm dificuldade para digerir fibra. A utilização do FG vem trazendo alguns resultados satisfatórios com poedeiras comerciais com 8% de inclusão (11) , 12% para frangos de corte (12) e boa digestibilidade em peixes (13) . Entretanto, o Inclusão de farelo de goiaba na dieta de codornas européias efeito do uso deste ingrediente em codornas europeias precisa ser investigado, uma vez que ainda é escasso na literatura.…”
Section: Introductionunclassified
“…The relevance curves for the output variables ( Figure 2) were developed based on research conducted (Thon et al, 2010;Lira et al, 2009;Medeiros, 2001) and books about the breed adopted in this study (Cobb, 2012), which provided information about the productive responses in the three initial weeks, four air temperature classes, totaling 12 rules, which include the conditions for the first three weeks of bird life.…”
Section: Fuzzy Model Developmentmentioning
confidence: 99%