Influence of exogenous enzymes in presence of Salix babylonica extract on digestibility, microbial protein synthesis and performance of lambs fed maize silage
11 páginas, 5 tablas.
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| Format: | artículo biblioteca |
| Language: | English |
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Cambridge University Press
2015
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| Subjects: | Vitro gas-production, Urinary allantoin excretion, Purine derivative excretion, In-vitro, Growth-performance, Rumen fermentation, Fibrolytic enzyme, Growing lambs, Nutrient digestibility, Leucaena-leucocephala, |
| Online Access: | http://hdl.handle.net/10261/121209 http://dx.doi.org/10.13039/501100004960 http://dx.doi.org/10.13039/501100004493 |
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dig-igm-es-10261-1212092021-03-18T16:23:35Z Influence of exogenous enzymes in presence of Salix babylonica extract on digestibility, microbial protein synthesis and performance of lambs fed maize silage Valdés, K. I. Salem, A. Z. M. López, Secundino Alonso, M. U. Rivero, N. Elghandour, M. M. Y. Domínguez, I. A. Ronquillo, M. G. Kholif, A. E. Universidad Autónoma del Estado de México International Atomic Energy Agency Vitro gas-production Urinary allantoin excretion Purine derivative excretion In-vitro Growth-performance Rumen fermentation Fibrolytic enzyme Growing lambs Nutrient digestibility Leucaena-leucocephala 11 páginas, 5 tablas. Sixteen Suffolk lambs with 29 +/- 2.0 kg body weight were housed in individual cages for 60 days and allotted to four treatments in a completely randomized design to determine the effect of administration of Salix babylonica (SB) extract and/or exogenous enzymes (ZADO (R)) on lamb performance. Lambs were fed with 300 g/kg concentrate (160 g crude protein (CP)/kg, 13.4 MJ metabolizable energy (ME)/kg dry matter (DM)) and 700 g/kg maize silage (80 g/kg CP, 11.7 MJ ME/kg DM) as a basal diet (control). Another three treatments were tested; the SB extract was administered at 30 ml/day (SB) and exogenous enzymes ZADO (R) (i.e. an exogenous enzyme cocktail in a powder form) directly fed at 10 g/day (EZ), while the last treatment contained ZADO (R) at 10 g/day + SB extract at 30 ml/day (EZSB). Lambs of the treatment EZSB had the greatest average daily weight gain (ADG) and feed conversion throughout the period of the experiment. However, during the first 30 days SB was more effective for ADG than EZ and vice versa during the last 30 days of the experiment. Water consumption was greater for SB, followed by EZ and EZSB compared to the control. Intakes of DMand organicmatter (OM) were the highest in EZSB followed by EZ, which had the greatest neutral detergent fibre, acid detergent fibre (ADF) and nitrogen (N) intakes. The EZSB treatment had the greatest DM and OM digestibilities compared to the other treatments; however, SB had the greatest ADF digestibility. Combination of EZ and SB had the best N balance. Allantoin, total purine derivatives (PD), allantoin : -creatinine ratio, and PD: creatinine ratio were increased in EZSB compared to the other treatments. However, EZ supplementation increased uric acid concentration, whereas the microbial N (g N/day) and metabolizable protein (g N/day) were increased in EZSB versus the other treatments. It can be concluded that addition of 10 g ZADO (R) in combination with S. babylonica extract at 30 ml/day in the diet of lambs increased feed intake, nutrient digestibility and daily gain, with a positive impact on the use of N and microbial protein synthesis. The authors acknowledge the financial support from the IAEA, Vienna, Austria, Research Contract number MEX16307 within the D3.10.27 Coordinated Research Project. First author also wishes to thank the National Council for Science and Technology (CONACYT, Mexico) for the scholarship for her MSc at the Universidad Autonoma del Estado de Mexico. Peer reviewed 2015-08-19T11:03:29Z 2015-08-19T11:03:29Z 2015 artículo http://purl.org/coar/resource_type/c_6501 Journal of Agricultural Science 153(4): 732-742 (2015) 0021-8596 http://hdl.handle.net/10261/121209 10.1017/S0021859614000975 1469-5146 http://dx.doi.org/10.13039/501100004960 http://dx.doi.org/10.13039/501100004493 en http://dx.doi.org/10.1017/S0021859614000975 Sí open Cambridge University Press |
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| topic |
Vitro gas-production Urinary allantoin excretion Purine derivative excretion In-vitro Growth-performance Rumen fermentation Fibrolytic enzyme Growing lambs Nutrient digestibility Leucaena-leucocephala Vitro gas-production Urinary allantoin excretion Purine derivative excretion In-vitro Growth-performance Rumen fermentation Fibrolytic enzyme Growing lambs Nutrient digestibility Leucaena-leucocephala |
| spellingShingle |
Vitro gas-production Urinary allantoin excretion Purine derivative excretion In-vitro Growth-performance Rumen fermentation Fibrolytic enzyme Growing lambs Nutrient digestibility Leucaena-leucocephala Vitro gas-production Urinary allantoin excretion Purine derivative excretion In-vitro Growth-performance Rumen fermentation Fibrolytic enzyme Growing lambs Nutrient digestibility Leucaena-leucocephala Valdés, K. I. Salem, A. Z. M. López, Secundino Alonso, M. U. Rivero, N. Elghandour, M. M. Y. Domínguez, I. A. Ronquillo, M. G. Kholif, A. E. Influence of exogenous enzymes in presence of Salix babylonica extract on digestibility, microbial protein synthesis and performance of lambs fed maize silage |
| description |
11 páginas, 5 tablas. |
| author2 |
Universidad Autónoma del Estado de México |
| author_facet |
Universidad Autónoma del Estado de México Valdés, K. I. Salem, A. Z. M. López, Secundino Alonso, M. U. Rivero, N. Elghandour, M. M. Y. Domínguez, I. A. Ronquillo, M. G. Kholif, A. E. |
| format |
artículo |
| topic_facet |
Vitro gas-production Urinary allantoin excretion Purine derivative excretion In-vitro Growth-performance Rumen fermentation Fibrolytic enzyme Growing lambs Nutrient digestibility Leucaena-leucocephala |
| author |
Valdés, K. I. Salem, A. Z. M. López, Secundino Alonso, M. U. Rivero, N. Elghandour, M. M. Y. Domínguez, I. A. Ronquillo, M. G. Kholif, A. E. |
| author_sort |
Valdés, K. I. |
| title |
Influence of exogenous enzymes in presence of Salix babylonica extract on digestibility, microbial protein synthesis and performance of lambs fed maize silage |
| title_short |
Influence of exogenous enzymes in presence of Salix babylonica extract on digestibility, microbial protein synthesis and performance of lambs fed maize silage |
| title_full |
Influence of exogenous enzymes in presence of Salix babylonica extract on digestibility, microbial protein synthesis and performance of lambs fed maize silage |
| title_fullStr |
Influence of exogenous enzymes in presence of Salix babylonica extract on digestibility, microbial protein synthesis and performance of lambs fed maize silage |
| title_full_unstemmed |
Influence of exogenous enzymes in presence of Salix babylonica extract on digestibility, microbial protein synthesis and performance of lambs fed maize silage |
| title_sort |
influence of exogenous enzymes in presence of salix babylonica extract on digestibility, microbial protein synthesis and performance of lambs fed maize silage |
| publisher |
Cambridge University Press |
| publishDate |
2015 |
| url |
http://hdl.handle.net/10261/121209 http://dx.doi.org/10.13039/501100004960 http://dx.doi.org/10.13039/501100004493 |
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