Ensiling Sorghum with Urea, Aerobic Exposure and Effects on Intake, Digestibility, Ingestive Behaviour and Blood Parameters of Feedlot Lambs
This study was carried out to evaluate the effect of ensiling sorghum silage with urea and amending the aerobic exposure nutrients intake and apparent digestibility, ingestive behaviour and blood serum metabolites of feedlot lambs. Forty uncastrated crossbred Dorper × Santa Inês lambs, aged 150 ± 15...
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MDPI AG
2023-06-01
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| Online Access: | https://www.mdpi.com/2076-2615/13/12/2005 |
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| author | Maria L. G. M. L. Araújo Edson Mauro Santos Gleidson Giordano P. De Carvalho Douglas dos S. Pina Juliana S. De Oliveira Manuela S. L. Tosto Dayane S. Silva Alexandre F. Perazzo Danillo M. Pereira Thiago Vinicius C. Nascimento Daniele de J. Ferreira Hactus S. Cavalcanti Francisco Naysson de S. Santos Marinaldo D. Ribeiro Anderson de M. Zanine |
| author_facet | Maria L. G. M. L. Araújo Edson Mauro Santos Gleidson Giordano P. De Carvalho Douglas dos S. Pina Juliana S. De Oliveira Manuela S. L. Tosto Dayane S. Silva Alexandre F. Perazzo Danillo M. Pereira Thiago Vinicius C. Nascimento Daniele de J. Ferreira Hactus S. Cavalcanti Francisco Naysson de S. Santos Marinaldo D. Ribeiro Anderson de M. Zanine |
| author_sort | Maria L. G. M. L. Araújo |
| collection | DOAJ |
| description | This study was carried out to evaluate the effect of ensiling sorghum silage with urea and amending the aerobic exposure nutrients intake and apparent digestibility, ingestive behaviour and blood serum metabolites of feedlot lambs. Forty uncastrated crossbred Dorper × Santa Inês lambs, aged 150 ± 15 days and with an initial body weight of 21.73 ± 2.40 kg, were used. Animals were assigned in a 2 × 3 factorial arrangement. Thus, six silage diets were produced with various urea addition levels (UA: 0 and 5 g/kg on a natural matter basis) and periods of aerobic exposure of silages (PAE: 0, 24 and 48 h). An effect was observed for nutrient intakes of dry matter (DM), organic matter (OM), crude protein (CP), neutral detergent fibre corrected for ash and protein (NDFap) and total digestive nutrients TDN (g/day) and for the total apparent digestibility of DM, OM and CP. There was an interaction effect between urea levels and aerobic exposure for ether extract (EE) and NDFap intakes (g/kg) and nonfibrous carbohydrate (NFC) digestibility (g/kg) (<i>p</i> = 0.012). The addition of 5 g/kg of urea to sorghum ensilage improved the digestibility parameters without changing dry matter intake and ingestive behaviour. The addition or not of urea does not change the blood parameters of the animals. |
| first_indexed | 2024-03-11T02:50:34Z |
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| id | doaj.art-4ecffd2317174b9db2f8cce17f36be3b |
| institution | Directory Open Access Journal |
| issn | 2076-2615 |
| language | English |
| last_indexed | 2024-03-11T02:50:34Z |
| publishDate | 2023-06-01 |
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| spelling | doaj.art-4ecffd2317174b9db2f8cce17f36be3b2023-11-18T08:59:15ZengMDPI AGAnimals2076-26152023-06-011312200510.3390/ani13122005Ensiling Sorghum with Urea, Aerobic Exposure and Effects on Intake, Digestibility, Ingestive Behaviour and Blood Parameters of Feedlot LambsMaria L. G. M. L. Araújo0Edson Mauro Santos1Gleidson Giordano P. De Carvalho2Douglas dos S. Pina3Juliana S. De Oliveira4Manuela S. L. Tosto5Dayane S. Silva6Alexandre F. Perazzo7Danillo M. Pereira8Thiago Vinicius C. Nascimento9Daniele de J. Ferreira10Hactus S. Cavalcanti11Francisco Naysson de S. Santos12Marinaldo D. Ribeiro13Anderson de M. Zanine14Department of Animal Science, Federal University of Bahia, Salvador 40170-110, BrazilDepartment of Animal Science, Federal University of Paraíba, Areia 58397-000, BrazilDepartment of Animal Science, Federal University of Bahia, Salvador 40170-110, BrazilDepartment of Animal Science, Federal University of Bahia, Salvador 40170-110, BrazilDepartment of Animal Science, Federal University of Paraíba, Areia 58397-000, BrazilDepartment of Animal Science, Federal University of Bahia, Salvador 40170-110, BrazilDepartment of Animal Science, Federal University of Bahia, Salvador 40170-110, BrazilDepartment of Agricultural Planning and Policy, Federal University of Piaui, Teresina 64049-550, BrazilDepartment of Animal Science, Federal University of Maranhão, Chapadinha 65500-000, BrazilDepartment of Veterinary Medicine at Sertão, Federal University of Sergipe, Nossa Senhora da Glória 49680-000, BrazilDepartment of Animal Science, Federal University of Maranhão, Chapadinha 65500-000, BrazilDepartment of Animal Science, Federal University of Maranhão, Chapadinha 65500-000, BrazilDepartment of Animal Science, Federal University of Maranhão, Chapadinha 65500-000, BrazilDepartment of Animal Science, Federal University of Goiás, Goiânia 74690-900, BrazilDepartment of Animal Science, Federal University of Maranhão, Chapadinha 65500-000, BrazilThis study was carried out to evaluate the effect of ensiling sorghum silage with urea and amending the aerobic exposure nutrients intake and apparent digestibility, ingestive behaviour and blood serum metabolites of feedlot lambs. Forty uncastrated crossbred Dorper × Santa Inês lambs, aged 150 ± 15 days and with an initial body weight of 21.73 ± 2.40 kg, were used. Animals were assigned in a 2 × 3 factorial arrangement. Thus, six silage diets were produced with various urea addition levels (UA: 0 and 5 g/kg on a natural matter basis) and periods of aerobic exposure of silages (PAE: 0, 24 and 48 h). An effect was observed for nutrient intakes of dry matter (DM), organic matter (OM), crude protein (CP), neutral detergent fibre corrected for ash and protein (NDFap) and total digestive nutrients TDN (g/day) and for the total apparent digestibility of DM, OM and CP. There was an interaction effect between urea levels and aerobic exposure for ether extract (EE) and NDFap intakes (g/kg) and nonfibrous carbohydrate (NFC) digestibility (g/kg) (<i>p</i> = 0.012). The addition of 5 g/kg of urea to sorghum ensilage improved the digestibility parameters without changing dry matter intake and ingestive behaviour. The addition or not of urea does not change the blood parameters of the animals.https://www.mdpi.com/2076-2615/13/12/2005alkaline additivedeteriorationforage conservationserum metabolitesperformance |
| spellingShingle | Maria L. G. M. L. Araújo Edson Mauro Santos Gleidson Giordano P. De Carvalho Douglas dos S. Pina Juliana S. De Oliveira Manuela S. L. Tosto Dayane S. Silva Alexandre F. Perazzo Danillo M. Pereira Thiago Vinicius C. Nascimento Daniele de J. Ferreira Hactus S. Cavalcanti Francisco Naysson de S. Santos Marinaldo D. Ribeiro Anderson de M. Zanine Ensiling Sorghum with Urea, Aerobic Exposure and Effects on Intake, Digestibility, Ingestive Behaviour and Blood Parameters of Feedlot Lambs Animals alkaline additive deterioration forage conservation serum metabolites performance |
| title | Ensiling Sorghum with Urea, Aerobic Exposure and Effects on Intake, Digestibility, Ingestive Behaviour and Blood Parameters of Feedlot Lambs |
| title_full | Ensiling Sorghum with Urea, Aerobic Exposure and Effects on Intake, Digestibility, Ingestive Behaviour and Blood Parameters of Feedlot Lambs |
| title_fullStr | Ensiling Sorghum with Urea, Aerobic Exposure and Effects on Intake, Digestibility, Ingestive Behaviour and Blood Parameters of Feedlot Lambs |
| title_full_unstemmed | Ensiling Sorghum with Urea, Aerobic Exposure and Effects on Intake, Digestibility, Ingestive Behaviour and Blood Parameters of Feedlot Lambs |
| title_short | Ensiling Sorghum with Urea, Aerobic Exposure and Effects on Intake, Digestibility, Ingestive Behaviour and Blood Parameters of Feedlot Lambs |
| title_sort | ensiling sorghum with urea aerobic exposure and effects on intake digestibility ingestive behaviour and blood parameters of feedlot lambs |
| topic | alkaline additive deterioration forage conservation serum metabolites performance |
| url | https://www.mdpi.com/2076-2615/13/12/2005 |
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