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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
20/11/2015 |
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Actualizado : |
04/10/2019 |
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Tipo de producción científica : |
Capítulo en Libro Técnico-Científico |
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Autor : |
VIÑOLES, C.; SOSA, C.; MEIKLE, A.; ABECIA, J.-A. |
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Afiliación : |
CAROLINA VIÑOLES GIL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CECILIA SOSA, Universidad de Zaragoza; ANA MEIKLE, Universidad de la República (UdelaR)/ Facultad de Veterinaria; JOSÉ-ALFONSO ABECIA, Universidad de Zaragoza. |
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Título : |
Embryo losses during nutritional treatments in animal models: lessons for humans embryo losses and nutrition in Mammals. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
In: Watson, R.R. (Ed.), 2015, Handbook of Fertility: Nutrition, Diet, Lifestyle and Reproductive Health. Elsevier, p.99-105 (Chap. 9). |
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Páginas : |
99-105 |
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ISBN : |
978-012800993-2 |
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DOI : |
10.1016/B978-0-12-800872-0.00009-3 |
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Idioma : |
Inglés |
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Contenido : |
ABSTRACT.
Extremes in nutrition and aging play important roles in infertility and the health status of the mother and the newborn. Using animal models, it has been shown that follicular population, the quality of the oocyte, and uterine receptivity are sensitive to short- and long-term effects of nutrition, which affect the outcome of natural and artificial reproductive techniques. The establishment of pregnancy that depends on an adequate synchrony between the embryo and the endometrium is altered by over- and undernutrition. While overnutrition in early pregnancy can increase embryo losses due to an increase in progesterone clearance from circulation, subnutrition induces a decrease in the expression of progesterone receptors in the endometrium and in the concentrations of metabolic hormones and their receptors in the endometrium and the oviduct. Education and enhanced awareness of the effect of nutrition and age on fertility are essential in counseling patients who desire pregnancy.
© 2015 Elsevier Inc. All rights reserved. |
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Palabras claves : |
METABOLIC HORMONES; OOCYTE; PROGESTERONE; SUBNUTRITION; UTERUS. |
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Thesagro : |
MODELO ANIMAL; PROGESTERONA. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 01913naa a2200277 a 4500
001 1053958
005 2019-10-04
008 2015 bl uuuu u00u1 u #d
020 $a978-012800993-2
024 7 $a10.1016/B978-0-12-800872-0.00009-3$2DOI
100 1 $aVIÑOLES, C.
245 $aEmbryo losses during nutritional treatments in animal models$blessons for humans embryo losses and nutrition in Mammals.
260 $c2015
300 $a99-105
520 $aABSTRACT. Extremes in nutrition and aging play important roles in infertility and the health status of the mother and the newborn. Using animal models, it has been shown that follicular population, the quality of the oocyte, and uterine receptivity are sensitive to short- and long-term effects of nutrition, which affect the outcome of natural and artificial reproductive techniques. The establishment of pregnancy that depends on an adequate synchrony between the embryo and the endometrium is altered by over- and undernutrition. While overnutrition in early pregnancy can increase embryo losses due to an increase in progesterone clearance from circulation, subnutrition induces a decrease in the expression of progesterone receptors in the endometrium and in the concentrations of metabolic hormones and their receptors in the endometrium and the oviduct. Education and enhanced awareness of the effect of nutrition and age on fertility are essential in counseling patients who desire pregnancy. © 2015 Elsevier Inc. All rights reserved.
650 $aMODELO ANIMAL
650 $aPROGESTERONA
653 $aMETABOLIC HORMONES
653 $aOOCYTE
653 $aPROGESTERONE
653 $aSUBNUTRITION
653 $aUTERUS
700 1 $aSOSA, C.
700 1 $aMEIKLE, A.
700 1 $aABECIA, J.-A.
773 $tIn: Watson, R.R. (Ed.), 2015, Handbook of Fertility: Nutrition, Diet, Lifestyle and Reproductive Health. Elsevier, p.99-105 (Chap. 9).
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INIA Las Brujas (LB) |
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| Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
01/08/2019 |
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Actualizado : |
28/10/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
FARIÑA, S.; CHILBROSTE, P. |
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Afiliación : |
SANTIAGO FARIÑA, INIA (Instituto Nacional de Investigación Agropecuaria); PABLO CHILIBROSTE, Universidad de la República, Ruta 3 km 363, Paysandú, Uruguay. |
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Título : |
Opportunities and challenges for the growth of milk production from pasture: The case of farm systems in Uruguay. |
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Fecha de publicación : |
2019 |
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Fuente / Imprenta : |
Agricultural Systems, Volume 176, November 2019, Article 102631. |
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DOI : |
10.1016/j.agsy.2019.05.001 |
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Idioma : |
Inglés |
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Notas : |
Article History: Received 10 December 2018// Received in revised form 1 April 2019// Accepted 2 May 2019. |
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Contenido : |
ABSTRACT:
Volatility ofmarketsandclimatearedrivingexportingdairyindustries toincreasemilkproduction frompasture. However, some regions are not able to grow due to economic, social and environmental constraints. The objective of this study was to analyse at the farm system level the opportunities and challenges for the growth of pasture-based dairy production in Uruguay. A national database of 256 dairy farms was used to compare four groups of Uruguayan farmsselectedaccording to thetotal milkproduction growth ratefrom2013 to 2017.Their productivity (milk production per hectare) and pro?t was compared by ?tting mixed models. Complementarily, the International Farm Comparison Network database was used to compare biophysical and economic indicators of typical farm systems of Argentina, Australia, Ireland, Holland, New Zealand, United States and Uruguay from 2013 to 2017. The growing groups of farms (medium and high growth;>5% per year) showed more productivity due to their higher stocking rate and achieved a higher margin over feed cost and a lower feeding cost per L of milk than the shrinking groups (medium and high decrease;<0% per year). The growing systems showed a higher consumption per hectare of home-grown forage (pasture and conserved forage) and supplements. Margin over feed cost decreased alongside milk price over the time frame analysed, with no signi?cant interaction between group and year. Productivity in New Zealand, Australia, United States and Holland was above 10,000L/ha whereas in Ireland, Argentina and Uruguay it was below 7000L/ha. Consumption of homegrown forage per hectare in the former countries more than doubled the latter, which consumed approximately half the potential forage production locally reported. Home-grown forage consumption per hectare was a more likely driver of productivity than bought-in feed or feed conversion e?ciency. Uruguay achieved the lowest cost of production however current low stocking rates (0.7 cows/ha for the typical farm system) limit home-grown forage consumption and productivity growth. Inter-annual variation in economic performance was larger than the variation inbiophysical performance for all countries. Thisstudy showed thatpasture-based farming systems in Uruguay could make a leap in milk production without losing competitiveness by doubling their home-grown forage consumption through increased stocking rates. For such growth, some future challenges will remain around managing P accumulation and runo? in intensifying farms as well as improving farm design and infrastructure to attract labour, improve its productivity and assure animal welfare. MenosABSTRACT:
Volatility ofmarketsandclimatearedrivingexportingdairyindustries toincreasemilkproduction frompasture. However, some regions are not able to grow due to economic, social and environmental constraints. The objective of this study was to analyse at the farm system level the opportunities and challenges for the growth of pasture-based dairy production in Uruguay. A national database of 256 dairy farms was used to compare four groups of Uruguayan farmsselectedaccording to thetotal milkproduction growth ratefrom2013 to 2017.Their productivity (milk production per hectare) and pro?t was compared by ?tting mixed models. Complementarily, the International Farm Comparison Network database was used to compare biophysical and economic indicators of typical farm systems of Argentina, Australia, Ireland, Holland, New Zealand, United States and Uruguay from 2013 to 2017. The growing groups of farms (medium and high growth;>5% per year) showed more productivity due to their higher stocking rate and achieved a higher margin over feed cost and a lower feeding cost per L of milk than the shrinking groups (medium and high decrease;<0% per year). The growing systems showed a higher consumption per hectare of home-grown forage (pasture and conserved forage) and supplements. Margin over feed cost decreased alongside milk price over the time frame analysed, with no signi?cant interaction between group and year. Productivity in New Zealand, Australia, United States and Holland was above 1... Presentar Todo |
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Palabras claves : |
CONSUMO DE FORRAJE; DAIRY FARM SYSEMS; FORAGE CONSUMPTION; HOME-GROWN FORAGE; INTENSIFICACIÓN SOSTENIBLE; PASTURE-BASED; PROFIT; SISTEMAS DE GRANJAS LECHERAS; SUSTAINABLE INTENSIFICATION. |
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Thesagro : |
PRODUCCION LECHERA; SISTEMAS AGRICOLAS. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 03661naa a2200289 a 4500
001 1059962
005 2019-10-28
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1016/j.agsy.2019.05.001$2DOI
100 1 $aFARIÑA, S.
245 $aOpportunities and challenges for the growth of milk production from pasture$bThe case of farm systems in Uruguay.$h[electronic resource]
260 $c2019
500 $aArticle History: Received 10 December 2018// Received in revised form 1 April 2019// Accepted 2 May 2019.
520 $aABSTRACT: Volatility ofmarketsandclimatearedrivingexportingdairyindustries toincreasemilkproduction frompasture. However, some regions are not able to grow due to economic, social and environmental constraints. The objective of this study was to analyse at the farm system level the opportunities and challenges for the growth of pasture-based dairy production in Uruguay. A national database of 256 dairy farms was used to compare four groups of Uruguayan farmsselectedaccording to thetotal milkproduction growth ratefrom2013 to 2017.Their productivity (milk production per hectare) and pro?t was compared by ?tting mixed models. Complementarily, the International Farm Comparison Network database was used to compare biophysical and economic indicators of typical farm systems of Argentina, Australia, Ireland, Holland, New Zealand, United States and Uruguay from 2013 to 2017. The growing groups of farms (medium and high growth;>5% per year) showed more productivity due to their higher stocking rate and achieved a higher margin over feed cost and a lower feeding cost per L of milk than the shrinking groups (medium and high decrease;<0% per year). The growing systems showed a higher consumption per hectare of home-grown forage (pasture and conserved forage) and supplements. Margin over feed cost decreased alongside milk price over the time frame analysed, with no signi?cant interaction between group and year. Productivity in New Zealand, Australia, United States and Holland was above 10,000L/ha whereas in Ireland, Argentina and Uruguay it was below 7000L/ha. Consumption of homegrown forage per hectare in the former countries more than doubled the latter, which consumed approximately half the potential forage production locally reported. Home-grown forage consumption per hectare was a more likely driver of productivity than bought-in feed or feed conversion e?ciency. Uruguay achieved the lowest cost of production however current low stocking rates (0.7 cows/ha for the typical farm system) limit home-grown forage consumption and productivity growth. Inter-annual variation in economic performance was larger than the variation inbiophysical performance for all countries. Thisstudy showed thatpasture-based farming systems in Uruguay could make a leap in milk production without losing competitiveness by doubling their home-grown forage consumption through increased stocking rates. For such growth, some future challenges will remain around managing P accumulation and runo? in intensifying farms as well as improving farm design and infrastructure to attract labour, improve its productivity and assure animal welfare.
650 $aPRODUCCION LECHERA
650 $aSISTEMAS AGRICOLAS
653 $aCONSUMO DE FORRAJE
653 $aDAIRY FARM SYSEMS
653 $aFORAGE CONSUMPTION
653 $aHOME-GROWN FORAGE
653 $aINTENSIFICACIÓN SOSTENIBLE
653 $aPASTURE-BASED
653 $aPROFIT
653 $aSISTEMAS DE GRANJAS LECHERAS
653 $aSUSTAINABLE INTENSIFICATION
700 1 $aCHILBROSTE, P.
773 $tAgricultural Systems, Volume 176, November 2019, Article 102631.
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