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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha : |
22/09/2016 |
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Actualizado : |
22/09/2016 |
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Tipo de producción científica : |
Abstracts/Resúmenes |
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Autor : |
ALVEZ, A.; GUILLEN, S.; SEQUEIRA, M.; MEIKLE, A.; VIÑOLES, C. |
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Afiliación : |
ANDREA LORENA ALVEZ CERIZOLA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SERRANA GUILLEN DUARTE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; Universidad de la República (UdelaR)/ Facultad de Veterinaria; Universidad de la República (UdelaR)/ Facultad de Veterinaria; CAROLINA VIÑOLES GIL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Sub-fertility in beef cattle: follicle dynamics and progesterone concentration during the estrus cycle. [Resumen de poster]. |
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Fecha de publicación : |
2016 |
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Fuente / Imprenta : |
ln: Encuentro de Investigadores de la Región Noreste: Cerro Largo-Rivera-Tacuarembó, 1., 12 de agosto de 2016, Campus Interinstitucional de Tacuarembó, Tacuarembó. Libro de Resúmenes. Tacuarembó: UDELAR; INIA, 2016. |
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Páginas : |
p. 44 |
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Idioma : |
Español |
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Notas : |
Modalidad: poster. |
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Contenido : |
The repeat breeder syndrome has been characterised in dairy cows, but the experimental model used virgin heifers as controls, which may potentially be sub-fertile. The aim of this study was to characterize the pattern of follicle and corpus luteum (CL) development and progesterone concentrations during the estrus cycle in fertile and sub-fertile adult beef cows. Eleven Hereford cows (fertile n=5; sub-fertile n=6) were used in this experiment. The categories were defined based on their pregnancy rate at 24 and 73 months of age after five services at each age (three by artificial insemination [AI] and two by natural mating) in fertile (pregnant at first AI at two years old, pregnant ≥ 3 times at 73 months of age) and sub-fertile (pregnant at the fourth of fifth service by natural mating or did not got pregnant at 24 months of age and got pregnant one or two times at 73 months of age). At 90 months of age, were synchronized with two intramuscular prostaglandin injections given 14 d apart. The ovarian scanning began on the day of the second PG injection and continued daily for a complete estrous cycle up to d 7 of the following cycle.
Plasma samples were collected daily by jugular venepuncture to determinate progesterone concentrations by RIA. Data were analysed by ANOVA, using the GLM and MIXED procedures in SAS. There were no differences in body weight, body condition or height between fertile and sub-fertile cows. There were no differences between groups in follicular dynamics, area of the CL, number of 2 to 5 mm follicles, total number of follicles, duration of the estrous cycle or interval from estrus to ovulation. However, progesterone concentrations were higher in subfertile (7.58 ± 0.96 ng/ml) than in fertile (5.19 ± 1.08 ng/ml; P<0.01) cows from d 8 to 18 of the cycle. In conclusion, under the conditions in which this experiment was conducted, sub-fertile cows had higher concentrations of progesterone than fertile cows. These findings could be associated with the expression of its receptors in the uterus2 known to affect embryo survival. MenosThe repeat breeder syndrome has been characterised in dairy cows, but the experimental model used virgin heifers as controls, which may potentially be sub-fertile. The aim of this study was to characterize the pattern of follicle and corpus luteum (CL) development and progesterone concentrations during the estrus cycle in fertile and sub-fertile adult beef cows. Eleven Hereford cows (fertile n=5; sub-fertile n=6) were used in this experiment. The categories were defined based on their pregnancy rate at 24 and 73 months of age after five services at each age (three by artificial insemination [AI] and two by natural mating) in fertile (pregnant at first AI at two years old, pregnant ≥ 3 times at 73 months of age) and sub-fertile (pregnant at the fourth of fifth service by natural mating or did not got pregnant at 24 months of age and got pregnant one or two times at 73 months of age). At 90 months of age, were synchronized with two intramuscular prostaglandin injections given 14 d apart. The ovarian scanning began on the day of the second PG injection and continued daily for a complete estrous cycle up to d 7 of the following cycle.
Plasma samples were collected daily by jugular venepuncture to determinate progesterone concentrations by RIA. Data were analysed by ANOVA, using the GLM and MIXED procedures in SAS. There were no differences in body weight, body condition or height between fertile and sub-fertile cows. There were no differences between groups in follicular d... Presentar Todo |
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Palabras claves : |
FOLLICULAR DYNAMICS; SUB-FERTILITY. |
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Thesagro : |
PROGESTERONA. |
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Asunto categoría : |
L53 Fisiología Animal - Reproducción |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/6087/1/pagina-44.pdf
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Marc : |
LEADER 02940naa a2200229 a 4500
001 1055710
005 2016-09-22
008 2016 bl uuuu u00u1 u #d
100 1 $aALVEZ, A.
245 $aSub-fertility in beef cattle$bfollicle dynamics and progesterone concentration during the estrus cycle. [Resumen de poster].$h[electronic resource]
260 $c2016
300 $ap. 44
500 $aModalidad: poster.
520 $aThe repeat breeder syndrome has been characterised in dairy cows, but the experimental model used virgin heifers as controls, which may potentially be sub-fertile. The aim of this study was to characterize the pattern of follicle and corpus luteum (CL) development and progesterone concentrations during the estrus cycle in fertile and sub-fertile adult beef cows. Eleven Hereford cows (fertile n=5; sub-fertile n=6) were used in this experiment. The categories were defined based on their pregnancy rate at 24 and 73 months of age after five services at each age (three by artificial insemination [AI] and two by natural mating) in fertile (pregnant at first AI at two years old, pregnant ≥ 3 times at 73 months of age) and sub-fertile (pregnant at the fourth of fifth service by natural mating or did not got pregnant at 24 months of age and got pregnant one or two times at 73 months of age). At 90 months of age, were synchronized with two intramuscular prostaglandin injections given 14 d apart. The ovarian scanning began on the day of the second PG injection and continued daily for a complete estrous cycle up to d 7 of the following cycle. Plasma samples were collected daily by jugular venepuncture to determinate progesterone concentrations by RIA. Data were analysed by ANOVA, using the GLM and MIXED procedures in SAS. There were no differences in body weight, body condition or height between fertile and sub-fertile cows. There were no differences between groups in follicular dynamics, area of the CL, number of 2 to 5 mm follicles, total number of follicles, duration of the estrous cycle or interval from estrus to ovulation. However, progesterone concentrations were higher in subfertile (7.58 ± 0.96 ng/ml) than in fertile (5.19 ± 1.08 ng/ml; P<0.01) cows from d 8 to 18 of the cycle. In conclusion, under the conditions in which this experiment was conducted, sub-fertile cows had higher concentrations of progesterone than fertile cows. These findings could be associated with the expression of its receptors in the uterus2 known to affect embryo survival.
650 $aPROGESTERONA
653 $aFOLLICULAR DYNAMICS
653 $aSUB-FERTILITY
700 1 $aGUILLEN, S.
700 1 $aSEQUEIRA, M.
700 1 $aMEIKLE, A.
700 1 $aVIÑOLES, C.
773 $tln: Encuentro de Investigadores de la Región Noreste: Cerro Largo-Rivera-Tacuarembó, 1., 12 de agosto de 2016, Campus Interinstitucional de Tacuarembó, Tacuarembó. Libro de Resúmenes. Tacuarembó: UDELAR; INIA, 2016.
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Registro original : |
INIA Tacuarembó (TBO) |
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
24/02/2022 |
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Actualizado : |
24/02/2022 |
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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 : |
GÁMBARO, A.; ROASCIO, A.; HODOS, N.; MIGUES, I.; LADO, J.; HEINZEN, H.; RIVAS, F. |
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Afiliación : |
ADRIANA GÁMBARO, Sensory Evaluation Laboratory, Department of Food Science and Technology. School of Chemistry, Universidad de la República (UdelaR), General Flores, Montevideo, 2124, Uruguay; ANTONELLA ROASCIO, Sensory Evaluation Laboratory, Department of Food Science and Technology. School of Chemistry, Universidad de la República (UdelaR), General Flores, Montevideo, 2124, Uruguay; NATALIA HODOS, Sensory Evaluation Laboratory, Department of Food Science and Technology. School of Chemistry, Universidad de la República (UdelaR), General Flores, Montevideo, 2124, Uruguay; IGNACIO MIGUES, Pharmacognosy and Natural Products Laboratory. School of Chemistry, Universidad de la República (UdelaR), Uruguay; JOANNA LADO LINDNER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; HORACIO HEINZEN, Pharmacognosy and Natural Products Laboratory. School of Chemistry, Universidad de la República (UdelaR), Uruguay; CARLOS FERNANDO RIVAS GRELA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
The impact of sensory attributes of mandarins on consumer perception and preferences. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Journal of Agriculture and Food Research, December 2021, volume 6, article 100196. OPEN ACCESS. doi: https://doi.org/10.1016/j.jafr.2021.100196 |
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ISSN : |
2666-1543 |
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DOI : |
10.1016/j.jafr.2021.100196 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 20 November 2020, Revised 28 June 2021, Accepted 14 August 2021, Available online 19 August 2021, Version of Record 2 September 2021.
Corresponding author: Gámbaro, A.; General Flores, Uruguay; email:agambaro@fq.edu.uy --
Incluye Supplementary material: https://ars.els-cdn.com/content/image/1-s2.0-S2666154321000983-mmc1.docx |
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Contenido : |
ABSTRACT.- Although the sensory characterization of mandarins has usually been performed by trained assessors, in recent years, the methodologies that depict sensory descriptions from the perception of consumers, such as the check-all-that-apply (CATA) questionnaires have become very popular. In this work, an exploratory study was first carried out using a focus group (FG) technique to determine attributes and aspects that influence the decision to purchase mandarins. Secondly, the consumer panel recruited 100 regular mandarin consumers that were randomly divided into two groups. Group "A" received segments of 15 mandarins. Group "B", instead of receiving the same mandarins in segments, they received them as a whole fruit having to peel them by themselves. Both groups evaluated the total acceptability with a 9-point hedonic scale and answered a CATA questionnaire composed of 38 terms for Group "A" and 52 terms for Group "B". Although the consumers in the FG described an "ideal? mandarin as easy-to-peel, no significant difference (p > 0.05) was found in the acceptability between groups "A" and "B". Characteristics such as sweet, very sweet, fresh smell, sweet smell, bright, fruity taste, fresh flavor, typical flavor, balanced taste and nice flavor were strongly and positively correlated with overall consumers? acceptance. These descriptors could be considered the sensory drivers of the liking of mandarins. © 2021 |
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Palabras claves : |
CATA questionnaire; Consumer; Mandarins; PLATAFORMA AGROALIMENTOS; Sensory Evaluation;; Sensory profile. |
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Thesagro : |
MANDARINAS. |
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Asunto categoría : |
F01 Cultivo |
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URL : |
https://www.sciencedirect.com/science/article/pii/S2666154321000983/pdfft?md5=31db96c18712373f07f1744a3be031eb&pid=1-s2.0-S2666154321000983-main.pdf
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Marc : |
LEADER 02738naa a2200313 a 4500
001 1062769
005 2022-02-24
008 2021 bl uuuu u00u1 u #d
022 $a2666-1543
024 7 $a10.1016/j.jafr.2021.100196$2DOI
100 1 $aGÁMBARO, A.
245 $aThe impact of sensory attributes of mandarins on consumer perception and preferences.$h[electronic resource]
260 $c2021
500 $aArticle history: Received 20 November 2020, Revised 28 June 2021, Accepted 14 August 2021, Available online 19 August 2021, Version of Record 2 September 2021. Corresponding author: Gámbaro, A.; General Flores, Uruguay; email:agambaro@fq.edu.uy -- Incluye Supplementary material: https://ars.els-cdn.com/content/image/1-s2.0-S2666154321000983-mmc1.docx
520 $aABSTRACT.- Although the sensory characterization of mandarins has usually been performed by trained assessors, in recent years, the methodologies that depict sensory descriptions from the perception of consumers, such as the check-all-that-apply (CATA) questionnaires have become very popular. In this work, an exploratory study was first carried out using a focus group (FG) technique to determine attributes and aspects that influence the decision to purchase mandarins. Secondly, the consumer panel recruited 100 regular mandarin consumers that were randomly divided into two groups. Group "A" received segments of 15 mandarins. Group "B", instead of receiving the same mandarins in segments, they received them as a whole fruit having to peel them by themselves. Both groups evaluated the total acceptability with a 9-point hedonic scale and answered a CATA questionnaire composed of 38 terms for Group "A" and 52 terms for Group "B". Although the consumers in the FG described an "ideal? mandarin as easy-to-peel, no significant difference (p > 0.05) was found in the acceptability between groups "A" and "B". Characteristics such as sweet, very sweet, fresh smell, sweet smell, bright, fruity taste, fresh flavor, typical flavor, balanced taste and nice flavor were strongly and positively correlated with overall consumers? acceptance. These descriptors could be considered the sensory drivers of the liking of mandarins. © 2021
650 $aMANDARINAS
653 $aCATA questionnaire
653 $aConsumer
653 $aMandarins
653 $aPLATAFORMA AGROALIMENTOS
653 $aSensory Evaluation;
653 $aSensory profile
700 1 $aROASCIO, A.
700 1 $aHODOS, N.
700 1 $aMIGUES, I.
700 1 $aLADO, J.
700 1 $aHEINZEN, H.
700 1 $aRIVAS, F.
773 $tJournal of Agriculture and Food Research, December 2021, volume 6, article 100196. OPEN ACCESS. doi: https://doi.org/10.1016/j.jafr.2021.100196
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