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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha : |
21/02/2014 |
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Actualizado : |
10/10/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
ASTESSIANO, A.L.; PÉREZ-CLARIGET, R.; QUINTANS, G.; SOCA, P.; CARRIQUIRY, M. |
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Afiliación : |
GRACIELA QUINTANS ILARIA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Effects of a short-term increase in the nutritional plane before the mating period on metabolic and endocrine parameters, hepatic gene expression and reproduction in primaparous beef cows on grazing conditions. |
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Fecha de publicación : |
2012 |
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Fuente / Imprenta : |
Journal of Animal Physiology and Animal Nutrition, 2012, v.96, no.3, p.535-544. |
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ISSN : |
1439-0396 |
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DOI : |
10.1111/j.1439-0396.2011.01178.x |
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Idioma : |
Inglés |
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Notas : |
Article history: received: 23 February 2011; accepted: 5 May 2011. |
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Contenido : |
Abstract:
Sixty-four spring-calved primiparous crossbred cows paired by calving date and body condition score (BCS) at calving were used to study the effect of a short-term increase in the nutritional plane before the mating period on cow and calf performance, changes in metabolic and endocrine parameters and hepatic gene expression. At 48 ± 10 days postpartum (onset of nutritional treatment = day 0), cows were assigned to two treatments during 23 days: control (grazing of native pastures; NP; n = 31) and increased nutritional plane (NP improved with Lotus subbiflorous cv Rincon; IP; n = 33). Cow body weight (BW), BCS and total
protein and albumin concentrations increased while urea and non-esterified fatty acids levels decreased from the beginning of the nutritional treatment in both groups, indicating the animal positive energy balance as forage growth and availability of pastures increased during spring. In addition, cow BW and BCS, as well as calf average daily gain and BW, were greater in IP than in NP cows groups. Insulin concentrations were less in IP than in NP (1.37 vs. 2.25 ± 0.26 lU/ml) because insulin increased owing to nutritional treatment only in NP cows. Hepatic insulin receptor mRNA at day 23 tended to be 1.5-fold greater, while insulin growth factor binding protein-3 mRNA expression was 1.7-fold greater in NP than in IP cows. Reproductive responses were not affected by nutritional treatment, but days to initiation of ovarian ciclicity (108 ± 10 days) were positively correlated with insulin concentrations.
Grazing of improved NP for 23 days before the mating period did not improve cow reproductive performance but modified metabolic, endocrine and gene expression parameters, in agreement with greater nutrient and energy partitioning towards milk production, reflected in better calf performance. MenosAbstract:
Sixty-four spring-calved primiparous crossbred cows paired by calving date and body condition score (BCS) at calving were used to study the effect of a short-term increase in the nutritional plane before the mating period on cow and calf performance, changes in metabolic and endocrine parameters and hepatic gene expression. At 48 ± 10 days postpartum (onset of nutritional treatment = day 0), cows were assigned to two treatments during 23 days: control (grazing of native pastures; NP; n = 31) and increased nutritional plane (NP improved with Lotus subbiflorous cv Rincon; IP; n = 33). Cow body weight (BW), BCS and total
protein and albumin concentrations increased while urea and non-esterified fatty acids levels decreased from the beginning of the nutritional treatment in both groups, indicating the animal positive energy balance as forage growth and availability of pastures increased during spring. In addition, cow BW and BCS, as well as calf average daily gain and BW, were greater in IP than in NP cows groups. Insulin concentrations were less in IP than in NP (1.37 vs. 2.25 ± 0.26 lU/ml) because insulin increased owing to nutritional treatment only in NP cows. Hepatic insulin receptor mRNA at day 23 tended to be 1.5-fold greater, while insulin growth factor binding protein-3 mRNA expression was 1.7-fold greater in NP than in IP cows. Reproductive responses were not affected by nutritional treatment, but days to initiation of ovarian ciclicity (108 ± 10 days) were p... Presentar Todo |
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Palabras claves : |
CATTLE; HORMONES; METABOLITES; MRNA; PASTURES. |
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Thesagro : |
BOVINOS; REPRODUCCION; SUPLEMENTACION; URUGUAY. |
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Asunto categoría : |
L51 Fisiología Animal - Nutrición |
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Marc : |
LEADER 02874naa a2200313 a 4500
001 1032760
005 2019-10-10
008 2012 bl uuuu u00u1 u #d
022 $a1439-0396
024 7 $a10.1111/j.1439-0396.2011.01178.x$2DOI
100 1 $aASTESSIANO, A.L.
245 $aEffects of a short-term increase in the nutritional plane before the mating period on metabolic and endocrine parameters, hepatic gene expression and reproduction in primaparous beef cows on grazing conditions.
260 $c2012
500 $aArticle history: received: 23 February 2011; accepted: 5 May 2011.
520 $aAbstract: Sixty-four spring-calved primiparous crossbred cows paired by calving date and body condition score (BCS) at calving were used to study the effect of a short-term increase in the nutritional plane before the mating period on cow and calf performance, changes in metabolic and endocrine parameters and hepatic gene expression. At 48 ± 10 days postpartum (onset of nutritional treatment = day 0), cows were assigned to two treatments during 23 days: control (grazing of native pastures; NP; n = 31) and increased nutritional plane (NP improved with Lotus subbiflorous cv Rincon; IP; n = 33). Cow body weight (BW), BCS and total protein and albumin concentrations increased while urea and non-esterified fatty acids levels decreased from the beginning of the nutritional treatment in both groups, indicating the animal positive energy balance as forage growth and availability of pastures increased during spring. In addition, cow BW and BCS, as well as calf average daily gain and BW, were greater in IP than in NP cows groups. Insulin concentrations were less in IP than in NP (1.37 vs. 2.25 ± 0.26 lU/ml) because insulin increased owing to nutritional treatment only in NP cows. Hepatic insulin receptor mRNA at day 23 tended to be 1.5-fold greater, while insulin growth factor binding protein-3 mRNA expression was 1.7-fold greater in NP than in IP cows. Reproductive responses were not affected by nutritional treatment, but days to initiation of ovarian ciclicity (108 ± 10 days) were positively correlated with insulin concentrations. Grazing of improved NP for 23 days before the mating period did not improve cow reproductive performance but modified metabolic, endocrine and gene expression parameters, in agreement with greater nutrient and energy partitioning towards milk production, reflected in better calf performance.
650 $aBOVINOS
650 $aREPRODUCCION
650 $aSUPLEMENTACION
650 $aURUGUAY
653 $aCATTLE
653 $aHORMONES
653 $aMETABOLITES
653 $aMRNA
653 $aPASTURES
700 1 $aPÉREZ-CLARIGET, R.
700 1 $aQUINTANS, G.
700 1 $aSOCA, P.
700 1 $aCARRIQUIRY, M.
773 $tJournal of Animal Physiology and Animal Nutrition, 2012$gv.96, no.3, p.535-544.
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INIA Treinta y Tres (TT) |
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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha actual : |
15/09/2014 |
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Actualizado : |
28/05/2020 |
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Tipo de producción científica : |
Capítulo en Libro Técnico-Científico |
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Autor : |
TARLERA, S.; GONNET, S.; IRISARRI, P.; MENES, J.; FERNÁNDEZ, A.; PAOLINO, G.; TRAVERS, D.; DEAMBROSI, E.; Méndez-Vilas, A. (Ed.). |
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Afiliación : |
ENRIQUE GERMAN DEAMBROSI CHURRUT, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Nitrification and denitrification associated with N2O production in a temperate N-fertilized irrigated uruguayan rice field. |
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Fecha de publicación : |
2008 |
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Fuente / Imprenta : |
In: Modern multidisciplinary applied microbiology: Exploiting microbes and their interactions, 2008, Reino Unido: Wiley-VCH Verlag. p.416-420 |
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DOI : |
10.1002/9783527611904.ch74 |
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Idioma : |
Inglés |
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Contenido : |
Uruguay is the seventh largest rice exporting country in the world. Nitrogen is the single most limiting factor for rice production. Microbial soil processes, e.g. nitrification, denitrification and mineralization, influence the fate of the ?mobile? N atom. There are gaps in the understanding of key processes that govern N cycling, availability and plant acquisition in irrigated rice systems. Nitrous oxide (N2O), a greenhouse gas, is produced as a by-product during nitrification and occurs as an intermediate during denitrification. The use of fertilizers with inhibitors of nitrification has been proposed as a mitigation strategy. This study showed that less than 7% of the total N2O emission from ENTEC®-fertilized soils, containing an inhibitor of nitrification (DMPP: 3.4-dimethylpyrazolephosphate) was due to nitrification. T-RFLP amoA analysis detected the presence of Nitrosomonas and Nitrosospira genera in urea-fertilized plots. |
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Palabras claves : |
NITRIFICACION. |
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Thesagro : |
ARROZ. |
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Asunto categoría : |
F04 Fertilización |
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Marc : |
LEADER 01787naa a2200253 a 4500
001 1050256
005 2020-05-28
008 2008 bl uuuu u00u1 u #d
024 7 $a10.1002/9783527611904.ch74$2DOI
100 1 $aTARLERA, S.
245 $aNitrification and denitrification associated with N2O production in a temperate N-fertilized irrigated uruguayan rice field.$h[electronic resource]
260 $c2008
520 $aUruguay is the seventh largest rice exporting country in the world. Nitrogen is the single most limiting factor for rice production. Microbial soil processes, e.g. nitrification, denitrification and mineralization, influence the fate of the ?mobile? N atom. There are gaps in the understanding of key processes that govern N cycling, availability and plant acquisition in irrigated rice systems. Nitrous oxide (N2O), a greenhouse gas, is produced as a by-product during nitrification and occurs as an intermediate during denitrification. The use of fertilizers with inhibitors of nitrification has been proposed as a mitigation strategy. This study showed that less than 7% of the total N2O emission from ENTEC®-fertilized soils, containing an inhibitor of nitrification (DMPP: 3.4-dimethylpyrazolephosphate) was due to nitrification. T-RFLP amoA analysis detected the presence of Nitrosomonas and Nitrosospira genera in urea-fertilized plots.
650 $aARROZ
653 $aNITRIFICACION
700 1 $aGONNET, S.
700 1 $aIRISARRI, P.
700 1 $aMENES, J.
700 1 $aFERNÁNDEZ, A.
700 1 $aPAOLINO, G.
700 1 $aTRAVERS, D.
700 1 $aDEAMBROSI, E.
700 1 $aMÉNDEZ-VILAS, A.
773 $tIn: Modern multidisciplinary applied microbiology: Exploiting microbes and their interactions, 2008, Reino Unido: Wiley-VCH Verlag. p.416-420
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