Observaciones Sobre Las Caracteristicas Del Espectro De Los Glucidos Del Nectar De Cinco Especies De Frutales

Como prosecucion de investigaciones anteriores (BATTAGLINI y BATTAGLINI, 1965, 1971, 1972) hechas con miras a caracterizar el néctar de lo, arboles frutales sobre la base de las carateristicas de la respectiva frarcion de los glucidos, han sido ahora analizadas las sec reciones de néctar de las flores de Prunus amygdalus, Stok. y Prunus armeniaca, L., especies anteriormente no consideradas

Ricerche Comparate Sulla Natura Dei Glucidi Di Alcuni Mieli Monoflora E dei Rispettivi Nettari

Da tempo presso l\u27Istituto di Zoocolture della Università di Perugia si stanno svoIgendo indagini tendenti a caratterizzare i mieli di produzione nazionale : l\u27attenzione e stata dapprima rivolta alla componente glucidica di alcuni mieli monoflora. Sulla scorta dei risultati ottenuti, pubblicati in una precedente nota (BATTAGLINI-BOSI, 1972), gli Autori hanno voluto estendere l\u27indagine alla natura chimica dei glucidi dei corri~pettivi nèttari. Scopo del presente lavoro è stato appunto quello di verificare se il prodotto miele rispecchia in qualche modo le peculiari caratteristiche I della materia prima da cui deriva o se piuttosto le reazioni enzimatiche che si instaurano 1nel corso della trasformazione determinano modificazioni tali da mascherare completamente le caratteristiche del nèttare di partenza

ORIGINE GÉOGRAPHIQUE DE LA GELÉE ROYALE

International audienc

EFFECT OF SIRE STRAIN, FEEDING, AGE AND SEX ON RABBIT CARCASS

[EN] The effect of sire strain, feeding plan, slaughter age and sex on the carcass g~~lity were studied on 120 crossbred rabbits (White Giant (vvG), Heavy Grimaud Fréres (HGF), Light Grimaud Fréres (LGF) with New Zealand White does]. Two feeding plans were used : plan H consisting of a high energy diet (10.42 MJ DE/kg ; 12.14 % DP) from weaning to slaughtering (75 days or 90 days of age) ; plan LH consistíng of a low energy d1et (9.85 MJ DE/kg ; 11.51 % DP) until 55 aays, and a higfl energy diet up to 75 or 90 days. The sire strain affected growth performance and carcass traits ; the best results were obtained with progeny of WG at 90d. The sex effect was not significant and the feeding plan did not influence growth performance and carcass quálity, because of the abiírty of the rabbit to adjust lts feed intake fo the energetic value of the diet. Delaying slaughter age, most of the traits improved, allowing heavy carcasses with very good qualitative characteristics to be obtained : Carcass yieltl 62.7 %, drip loss 2.7 %, reference carcass 1384 g, perirenal fat 2.1 % r.c., muscle/bone ratio of hing leg 7.6.[FR] L 'effet de la souche paternelle, de l'a/1mentation, de l'age a l'abattage et du sexe sur la qua/ité de la carcasse, a été étudié sur 120 lapins croisés [Géant blanc (WGJ, Grimaud Freres Lourds (HGF), Grimaud Freres Légers (LGF), avec des tapines Néo Zélandaises Blanches}. Deux plans alimentaires ont été utilisés : le plan H consistait en la distribution, du sevrage jusqu'a /'abattage (75 ou 90 ¡·ours d'age), d'un aliment a haute teneur énergétique ( 0,42 MJ/E'D!kg ; 12, 14 % PD) ; le plan LH consistait en la distribution du sevrage jusqu'a 55 jours d'un aliment pauvre en énergie (9,85 MJ ED/kg; f1,51 % ED) suivi de la distribution jusqu'a 75 ou 9<J jours, de l'a/Jment riche en énergie . L 'origine de la souche mate modifie les performances de croissance et les caractéristiques de la carcasse. Les meilleurs résultats ont été obtenus avec les descendants de WG a 90 jours. L'effet du sexe n'était pas significatif et le plan d'alimentation n'a pas influencé les performance de croissance ni la qualité de la carcasse, sans doute a cause de la capacite du lapin a ajuster sa consommation en fonction de la va/eur énergetique de l'aliment. En repoussant /'A.ge a l'abattage, la p/upart des caractéristiques s'améliorenf et l'on obtient des carcasses lourdes de tres bonne qualité : rendement a /'abattage 62,7 %, perte au ressuyage 2,7 %, carcasse de référence 1384 g, gras périrénal 2, 1 %, rapport muse/e-os de la patte arriare 7,6.Research supported by the National Research Council of Italy. Special project RAISA Sub project n3. Paper nº 1718Bernardini Battaglini, M.; Castellini, C.; Lattaioli, P. (1995). EFFECT OF SIRE STRAIN, FEEDING, AGE AND SEX ON RABBIT CARCASS. World Rabbit Science. 3(1):9-14. doi:10.4995/wrs.1995.234SWORD9143

The Possible Role of the Superior Sagittal Sinus in Regulating Cerebrospinal Fluid Dynamics among Preterm Infants: A Case Report and a Review of the Literature

We report the case of a preterm of 27 weeks of gestation who developed posthemorrhagic ventricular dilatation associated to a complete thrombosis of the superior sagittal sinus, for its peculiar interest in clarifying the physiology of the cerebrospinal fluid (CSF) dynamics.The exact CSF volume that must be removed to improve cerebral hemodynamics and outcomes in infants with posthemorrhagic ventricular dilatation is unknown. According to Volpe's studies, a volume of 10 to 15 mL/kg/die of body weight is commonly chosen. The subject we report needed an excessive CSF drainage (up to 32 mL/kg/d), in presence of a functioning external ventricular drain.We review the literature on the topic, and we postulate that the superior sagittal sinus may play an active role in the CSF dynamics of the immature brain (as it happens for the adult brain)

Continuous Glucose Monitoring in Preterm Infants: The Role of Nutritional Management in Minimizing Glycemic Variability

Glycemic variability (GV) is common in preterm infants. In the premature population, GV is a risk factor for morbidity and mortality. Both hypo- and hyperglycemia can impair neurodevelopment. We investigated the impact of continuous versus intermittent tube enteral feeding on GV. In our prospective observational study, 20 preterm infants with a gestational age &le; 34 weeks at either continuous or intermittent bolus full enteral feeding. For five days, continuous glucose monitoring (CGM) was utilized, which was achieved through the subcutaneous insertion of a sensor. A total of 27,532 measurements of blood glucose were taken. The mean amplitude of glycemic excursions did not differ between the two cohorts statistically. Continuous feeding resulted in higher positive values, increasing the risk of hypo- and hyperglycemia. Subjects who were small for their gestational age had a higher standard deviation during continuous feeding (p = 0.001). Data suggest that intermittent bolus nutrition is better for glycemic control than continuous nutrition. Nutritional management optimization of preterm infants appears to be critical for long-term health. In the future, CGM may provide a better understanding of the optimal glucose targets for various clinical conditions, allowing for a more personalized approach to management

The Transport of Respiratory Distress Syndrome Twin Newborns: The 27-Year-Long Experience of Gaslini Neonatal Emergency Transport Service Using Both Single and Double Ventilators

Objective: Twin pregnancy rates have increased in the past 30 years. We describe the experience of the Neonatal Emergency Transport Service of the Gaslini Hospital, Genoa, Italy, in the transport of twin newborns. Methods: This was a retrospective study (1996-2021); 7,852 medical charts from the Neonatal Emergency Transport Service were reviewed. We included all twin newborns who were transported with respiratory distress syndrome in the study. We split the included patients into 2 groups (group A and group B) based on if they were simultaneously ventilated by a single ventilator or by 2 different ventilators, and then each group was split by the different types of ventilation (nasal continuous positive airway pressure or intermittent positive pressure ventilation). The pH level, base excess, O2 saturation, Pco2, body temperature, plasma glucose, and Transport Risk Index of Physiologic Stability score were recorded at departure and arrival. Results: One hundred thirty-six patients were included (68 pairs of twins); group A consisted of 92 newborns and group B 44 newborns. Although some significant differences were observed (statistic), none of these had real clinical significance. Conclusion: Transporting respiratory distress syndrome twin newborns is challenging. Our study provided a 27-year experience in the field. Transporting twins by a single ventilator is possible, but, in our opinion, using 2 ventilators mounted on the same transport module is the best possible choice in terms of clinical performance, logistics, and cost

Optimizing haemoglobin measurements in VLBW newborns: Insights from a comparative retrospective study

Introduction: Haemoglobin levels assessment is a crucial part of neonatal intensive care practice, the painful experience of repeated heel pricks and venepunctures blood sampling may negatively affect neonatal clinical course. To date the reliability of haemoglobin levels obtained by point-of-care testing (POCT) analysis if compared to standard blood cell count remains controversial. Materials and methods: Retrospective study conducted on all inborn premature infants (gestational age &lt; 32 weeks) admitted to NICU of the IRCCS Giannina Gaslini Institute during the period May 2021-April 2023. We considered blood samplings occurred within the first 28 days of life recording the laboratory haemoglobin levels (Hblab) (reference method), the point-of-care haemoglobin levels (HbPOCT) (alternative method) and the type of puncture (arterial, venous and capillary). A Bland-Altman analysis was performed to evaluate the Hb agreement, it determines the bias (mean difference between the reference and alternative methods) and limits of agreement (LOA; lower, l-LOA; upper, u-LOA) of measures. An acceptable limit of agreement was 1 g/dl according to the existing literature. Results: We considered 845 blood samplings from 189 enrolled patients. The comparison between the reference and the alternative method showed a good agreement for the capillary sampling technique with l-LOA of -0.717 (-0.776; -0.659) and u-LOA of 0.549 (0.490; 0.607), these results were not achievable with the other techniques, with LOAs over +/- 1 g/dl threshold (venou

Ventilatory Support, Extubation, and Cerebral Perfusion Changes in Pre-Term Neonates: A Near Infrared Spectroscopy Study

Early extubation is considered to be beneficial for pre-term neonates. On the other hand, premature extubation can cause lung derecruitment, compromised gas exchange, and need for reintubation, which may be associated with severe brain injury caused by sudden cerebral blood flow changes. We used near infrared spectroscopy (NIRS) to investigate changes in cerebral oxygenation (rScO2) and fractional tissue oxygen extraction (+) after extubation in pre-term infants. This is a single-center retrospective study of NIRS data at extubation time of all consecutive pre-term neonates born at our institution over a 1-year period. Comparison between subgroups was performed. Nineteen patients were included; average gestational age (GA) was 29.4 weeks. No significant change was noted in rScO2 and cFTOE after extubation in the whole population. GA and germinal matrix hemorrhage (GMH)-intraventricular hemorrhage (IVH) showed a significant change in rScO2 and cFTOE after extubation. A significant increase in cFTOE was noted in patients with previous GMH-IVH (+0.040; p?=?0.05). To conclude, extubation per se was not associated with significant change in cerebral oxygenation and perfusion. Patients with a diagnosed GMH-IVH showed an increase in cFTOE, suggesting perturbation in cerebral perfusion suggesting further understanding during this challenging phenomenon. Larger studies are required to corroborate our findings