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| Registros recuperados: 14 | |
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| Eastwood, David B.; Brooker, John R.; Hall, Charles R.; Rhea, Alice J.; Estes, Edmund A.; Woods, Timothy A.. |
| Produce growers in Kentucky, North Carolina, and Tennessee were surveyed in 2002 to gather information about their decision making in the areas of planting, postharvest handling, marketing, and expected changes. North Carolina has proportionately more respondents with large operations, and Kentucky and Tennessee were more similar and concentrated in smaller farms. Tennessee and Kentucky respondents were less likely to have engaged in activities that were associated with the commercial distribution system. Greater reliance on the commercial distribution system on the part of North Carolina growers is consistent with more produce export activity. |
| Tipo: Journal Article |
Palavras-chave: Cooling; Direct markets; Postharvest handling; Produce marketing; Traceback; D30; D40; Q12; Q13; Q16; Q17. |
| Ano: 2003 |
URL: http://purl.umn.edu/43205 |
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| Costa,Raphael S.; Souza,Fabrício M. S. de; Senhorini,José A.; Veríssimo-Silveira,Rosicleire; Ninhaus-Silveira,Alexandre. |
| ABSTRACT This study evaluated the effect of the cryoprotectants and the low temperatures on the embryonic development of Prochilodus lineatus, describing their main morphological alterations. On chilling sensitivity test, the survival rates at the twenty somites stage (20S) were 53.6% at 0ºC, and 100% in 5ºC. To test toxicity, the embryos were exposed to a graded series of 1,2-Propanediol (PROP), dimethyl sulfoxide (Me2SO4) and glycerol (GLY), terminating in a solution of high osmolarity. There was no significant difference in the embryos survival of toxicity test between series of PROP and Me2SO4 in the 6S and 20S. In the cooling protocols, were evaluated the effects of low temperature associated with cryoprotectants. At 5ºC, PROP showed survival rates... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cooling; Cryopreservation; Injuries; Morphology; Toxicity. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252017000300201 |
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| Pérez Ríos, Enrique. |
| En los últimos años se han desarrollado nuevos cultivares de durazno (Prunus pérsica (L) Batsch) con bajo requerimiento de frio y es necesario evaluar su comportamiento postcosecha. En este estudio, se realizaron tratamientos con y sin refrigeración almacenados a una, dos y tres semanas a 5°C, evaluándose características de calidad como firmeza, cambios en color, acidez titulable, °Brix, Relación °Brix/acidez, pérdida de peso, producción de etanol y Acetaldehido, intensidad respiratoria y producción de etileno. Se realizaron evaluaciones semanales fuera de refrigeración a temperatura ambiente 20 ± 2 °C y 50-60 % de humedad relativa. Los resultados mostraron la pérdida de firmeza en todos los cultivares, el CP-2005 presentó la mayor firmeza con 5.3kg. La... |
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Palavras-chave: Prunus persica; Velocidad de respiratoria; Firmeza de la pulpa; Pérdida de peso; Refrigeración; Respiratory rate; Flesh firmness; Weight loss; Cooling; Fruticultura; Maestría. |
| Ano: 2013 |
URL: http://hdl.handle.net/10521/1954 |
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| Jordan,Rodrigo A.; Cortez,Luís A. B.; Barbin,Douglas F.; Lucas Junior,Jorge de. |
| ABSTRACT Besides cold for milk cooling, dairy facilities need to produce hot water for cleaning of tools and equipment. Overall, ohmic heating has been used in dairy farms, increasing power consumption and manufacturing costs. Therefore, as an alternative to reduce power consumption, this paper proposed a water-water heat pumping for simultaneous cold and heat generations. Accordingly, operational tests were performed with three heat-pump prototypes designed for dairy farms, in both laboratory and field levels. At laboratory, tests were carried out using electricity and CNG to define a coefficient of performance (COP). Biogas tests were performed in the field to measure its consumption. CNG average consumption was of 1.118 m3/ h, while biogas consume was... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Thermal power; Thermal-accumulation; Cooling; Heating. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162016000500779 |
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| França,Christiane FM; Ribeiro,Welington S; Silva,Fernanda C; Costa,Lucas C; Rêgo,Elizanilda R; Finger,Fernando L. |
| Lettuce is a vegetable highly susceptible to water loss, which reduces its shelf life and increases the final cost to the consumer. The aim of this study was to evaluate the effects of hydrocooling on the postharvest shelf life of butter lettuce 'Vitória de Santo Antão'. The lettuce heads, after selection, were subjected to the following treatments: T1= hydrocooling followed by storage at 5°C in the cold chamber; T2= storage in the cold chamber at 5°C without hydrocooling; T3= hydrocooling followed by storage at 22°C and T4= storage at 22°C without hydrocooling. We determined the shelf life, leaves mass loss, chlorophyll content, relative water content, total soluble sugars content, reducing sugars, non-reducing sugars and starch. The data were analyzed in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lactuca sativa; Cooling; Shelf life; Chlorophyll; Carbohydrates. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362015000300383 |
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| Silva,C.L.Á.; Silva Filho,J.M.; Palhares,M.S.; Machado,G.S.; Moraes,M.P.; Rocha,N.M.; Carvalho,L.E.; Rossi,R.. |
| Semen from the first 15mL of the ejaculate (P1) obtained from two boars (30mL) was diluted in glycine-egg yolk extender, cooled at 5°C in a special container and rediluted in standard doses of 3x109 mobile spermatozoa after 12h of storage. Semen was also stored up to 24h after redilution. The physical characteristics of the semen were evaluated at different storage periods (fresh, 0h, 12h, rediluted, 24h, and 36h). The reproductive performance of the boars and their fertility regarding the insemination of primiparous sows were also determined. Two treatments were used: T1-15B sows inseminated with semen originated from hyperconcentrated heterospermic doses (15x109 mobile spermatozoa per dose), rediluted after 12h of storage at 5°C for standard doses of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Swine; Fractioned collection; Cooling; Transport. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352016000200327 |
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| Viveiros,Ana T. M.; Taffarel,Tais R.; Leal,Marcelo C.. |
| This study evaluates the effects of extender osmolality and composition on the cooling of Prochilodus lineatussperm. Sperm was diluted in six extenders: two compositions (powdered coconut water(tm) = ACP; Beltsville Thawing Solution(tm) = BTS) x three osmolalities (285, 325, and 365 mOsm/kg) plus an undiluted control, and stored at 6-8°C. Motility rate and velocities (curvilinear, straight line, and average path) were determined every other day. Osmolality did not affect the quality of cooled sperm, thus data were pooled. Motility was higher on d 0 compared to the other days and diluted samples (85-90%) yielded higher motility than control (75%). On d 2, motility was higher in BTS-diluted samples and control, but on d 4 and 6, control yielded the highest... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: CASA; Cooling; Motility; Semen; Velocity. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000300643 |
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| Mendes,Fernanda Rodrigues; Andrade,Maria Auxiliadora; Café,Marcos Barcellos; Santos,Januária Silva; Lacerda,Maria Juliana Ribeiro; Stringhini,José Henrique; Stringhini,Maria Luiza; Leandro,Nadja Susana Mogyca. |
| The objective of this study to verify the physicochemical quality of commercial washed and unwashed eggs, experimentally inoculated on the shell with Pseudomonas aeruginosa and stored at 5 and 25 ºC for 30 days. A total of 384 eggs, classified as large, from light Dekalb White laying hens at 30 to 40 weeks of age, were used. The experimental design consisted of two blocks in a 2 × 2 × 2 factorial arrangement (contamination, washing, and refrigeration) with six replicates. The sanitization was performed by mechanical washing (hot water with chlorhexidine 20% and 8% active content). Eggs were contaminated by handling with 1.5 × 10(5) colony-forming units (cfu) of Pseudomonas aeruginosa/mL solution, and stored at 5 and 25 ºC for 30 days. Each ten days,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bacterial contamination; Cooling; Physical characteristics. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012001000011 |
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| Aguiar,G.V.; van Tilburg,M.F.; Catunda,A.G.V.; Celes,C.K.S.; Lima,I.C.S.; Campos,A.C.N.; Moura,A.A.A.; Araújo,A.A.. |
| The present study aimed to verify the caprine semen characteristics during dry and rainy seasons in the Brazilian Northeast, and the influence of these seasons on cooled semen. Seminal volume, concentration, percentage of motile cells, vigor and spermatic morphology, as well as biochemical profile (fructose, citric acid, P, Ca2+, Mg, total proteins and phospholipase A2 activity) were analyzed. It was observed a reduction (P<0.05) in normal sperm morphology, fructose, citric acid, P, Mg and total protein concentration during the dry season, which did not affect the motility, vigor, volume and sperm concentration. Phospholipase A2 activity was increased during the dry season (P<0.05). The analysis of the semen cooled at 4ºC during 48 hours showed... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Semen; Spermatozoa; Season; Cooling; Caprine. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352013000100002 |
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| da Cunha, Isabel Candia Nunes; Lopes, Maria Denise. |
| Twenty-seven ejaculates of an adult, mixed breed, medium size dog were used in this study. The semen was collected by penile stimulation and divided into three equal samples. Group I (G I): cooled without extender; Group 2 (G2): diluted with skimmed milk-based extender; Group 3 (G3): diluted with glycine egg yolk-based extender, without glycerol. Samples were evaluated after collection (MO) as to sperm motility and vigor, and integrity of sperm membranes, and then incubated at 50 C. Samples were again evaluated for motility and vigor after being refrigerated for 24 (M 1),48 (M2) and 72 (M3) hours. M3 also included the integrity of sperm membranes in the evaluation. Statistical analysis of the obtained data showed G2 and G3 as equivalent, both being... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cooling; Semen; Dogs refrigeração; Sêmen; Cães. |
| Ano: 2000 |
URL: http://www.revistamvez-crmvsp.com.br/index.php/recmvz/article/view/3350 |
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| Pugliesi,Guilherme; Carvalho,Giovanni Ribeiro de; Rates,Daniel Macêdo; Ker,Pedro Gama; Matta,Manuela Pereira da; Oliveira,Renan Reis de; Silva Filho,José Monteiro da. |
| Two semen extenders were compared for their ability to maintain viability of horse semen during 24 hours of cold preservation, and for the pregnancy rate after artificial insemination. In the experiment 1, five ejaculates from three stallions were split-diluted in either a skimmed milk-based extender (Kenney extender) or a glycine egg yolk-based extender (Foote extender) and cooled at 6-8 ºC for 24 hours. Semen samples stored in Kenney extender for 24 hours had higher motility and spermatic vigor compared with those stored in Foote extender. However, samples stored in Foote extender had higher number of reactive sperm by hypoosmotic test and greater viability by epifluorescence test compared with those in Kenney extender. In the experiment 2, 17 and 23... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Artificial insemination; Cooling; Semen extender; Stallion. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012001200005 |
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| Registros recuperados: 14 | |
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