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Effect of replacement of sugarcane by oilseed press cakes in greenhouse gases and volatile fatty acids production in vitro Animal Sciences
Moreira, Milenna Nunes; Silva, Aderbal Marcos de Azevedo; Bezerra, Leilson Rocha; Carneiro, Heloisa; Morais, Raissa Kiara de Oliveira; Medeiros, Fabíola Franklin de.
This study aimed to evaluate the production of methane, carbon dioxide, and volatile fatty acids and changes in ruminal pH in vitro with oilseed press cakes inclusion, such as, cottonseed, sunflower, castor bean, moringa and jatropha at four different levels (0, 30, 50 and 70%) in replacement to the sugarcane in ruminant feeding using semi-automated in vitro technique. The byproduct that produced less CO2 was cottonseed cake (p = 0.0059). The cakes that produced the least amount of CH4 were moringa at 70% (p < 0.05) and cottonseed at 70% levels (p < 0.0001). The cakes that had the highest increases in VFAs were cottonseed and castor (p < 0.0001). Additionally, greater pH was moringa at 70% and cottonseed at 50% levels (p < 0.0001). The greater...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nutrição de Animais Ruminantes acetate; Butyrate; N-NH3; Propionate; VFAs.
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/31598
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In vitro degradability and total gas production of biodiesel chain byproducts used as a replacement for cane sugar feed Animal Sciences
Moreira, Milenna Nunes; Silva, Aderbal Marcos de Azêvedo; Carneiro, Heloisa; Bezerra, Leilson Rocha; Morais, Raissa Kiara Oliveira de; Medeiros, Fabiola Franklin de.
This study aimed to determine the in vitro degradability of dry matter and the total gas production of oil seed press cake from biodiesel production (Gossypium hirsutum L., Helianthus annuus L., Ricinus communis, Moringa oleífera L. and Pinhão manso curcas L.) at four different levels of replacement (0, 30, 50, and 70%) for cane sugar (Saccharum officinarum RB.) in ruminant feed. Inocula were prepared using the ruminal fluid of three Holstein cows, and data were collected after 48 hours of incubation. The byproducts of Moringa had the highest degradability, and castor presented the lowest values at all evaluated levels of replacement. Castor bean byproduct showed the highest total gas production, cotton showed the lowest production, and the byproduct of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fermentation; Ruminant; Alternative foods; Methane.
Ano: 2014 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/23950
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In vitro degradation and gas production of brachiaria grass with levels of biodiesel byproducts Animal Sciences
Freire, Juliana Marques; Silva, Aderbal Marcos de Azevedo; Carneiro, Heloisa; Pereira Filho, José Morais; Bezerra, Leilson; Bidler, Denise Cristiane.
This study aimed to evaluate the in vitro degradability and gas production in diets containing byproducts from the national biodiesel industry (castor bean, canola, forage radish and black sunflower) replacing Brachiaria grass in four levels (0, 30, 50 and 70%). The inoculum for in vitro incubation was obtained from three fistulated Holstein cows. The experimental design was 4 x 4 factorial completely randomized experimental design consisting of four byproducts and four levels. All byproducts studied had a significant effect (p < 0.05) on in vitro digestibility. The castor bean byproducts promoted the lowest cumulative gas production at the end of 48 hours incubation. Regarding digestibility, the byproducts of canola and radish at 70% level did not...
Tipo: Info:eu-repo/semantics/article Palavras-chave: CIÊNCIAS AGRÁRIAS 5.04.00.00-2 digestibility; Ruminal fermentation; Protein..
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/32832
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In vitro degradation and gas production of glycerin generated in the biodiesel production chain Animal Sciences
Silva, Livia Soares; Bezerra, Leilson Rocha; Silva, Aderbal Marcos de Azevedo; Carneiro, Heloisa; Moreira, Milenna Nunes; Oliveira, Ronaldo Lopes.
This study was realized to evaluate the production of gas and volatile fatty acids when glycerin was used to replace four forage species through the use of a semi-automated technique in vitro. The experimental design included 4 treatments and 4 replications. The treatments consisted of increasing levels of glycerin (0, 30, 50 and 70%), which was used to replace the forage plants Elephant grass, sugar cane silage, corn silage and Brachiaria grass. Replacement of the Brachiaria and Elephant grasses with glycerin linearly reduced the production of methane and carbon dioxide and ammonia nitrogen and had a positive effect on forage quality (p < 0.05). With the addition of glycerin, the values for acetate concentration decreased (p < 0.05); however, when...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acetate; Butyrate; N-NH3; Propionate; VFAs.
Ano: 2015 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/27308
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