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Effect of Changes in Body Weight,Body Condition and Back Fat During Last Month of Pregnancy on the Reproductive Efficiency of Bos indicus Cows in the Tropics of Costa Rica

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Open Journal of Veterinary Medicine 2013年第1期3卷 22-28页

作者： jaime galindo Carlos S.Galina Sandra Estrada Juan Jose Romero Marco Alarcon Martín Maquivar Escuela de Agronomía Instituto Tecnologico de Costa RicaAlajuelaCosta Rica Departamento de Reproduccion Facultad de Medicina Veterinaria y ZootecniaUniversidad Nacional Autonoma de MexicoMexico DFMexico Programa de Investigacion en Medicina Poblacional Escuela de Medicina VeterinariaUniversidad Nacional HerediaCampus Benjamín NunezLagunillaCosta Rica Department of Animal Sciences The Ohio State UniversityColumbusUSA

With the aim of evaluating how changes in the metabolic status in the last month of pregnancy affects reproductive efficiency, forty six Bos indicus multiparous cows (5.5 ± 2.4 parturitions), were used. Measurements of body weight (BW), body condition score (BCS) and dorsal back fat (BF) were taken in the last month of pregnancy, postpartum period previous to synchronization (average 50 d) and at breeding by natural mating following synchronization with a progestin (average 70 d). Average postpartum days to resumption to ovarian activity were 79.96 ± 16.5 d, and average postpartum days to conception was 88.5 ± 14 d. Days postpartum to resumption of the ovarian activity was positively correlated (0.51, P 0.01) with days postpartum to conception, also, days postpartum to conception was positively correlated with prepartum back fat (14 d before parturition) (0.44, P 0.05). It was observed that BF at calving which is an objective measurement had a low correlation with other productive variables such as BCS and BW (always less than 0.39). Body fat might be a more reliable indicator of the current metabolic status of the animal particularly in the last month of pregnancy when the indicators of BCS are somehow more difficult to interpret and subjective.

关键词： Bos indicus Cattle Body Condition Body Weight Reproduction

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Early Feeding vs 5-Day Fasting after Distal Elective Bowel Anastomoses in Children.A Randomized Controlled Trial

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Surgical Science 2013年第1期4卷 45-48页

作者： Roberto Davila-Perez Eduardo Bracho-Blanchet Francisco galindo-Rocha Jose Tovilla-Mercado Gustavo Varela-Fascinetto Emilio Fernandez-Portilla Pablo Lezama-del-Valle jaime Nieto-Zermeno Pediatric Surgery Department Hospital Infantil de Mexico Federico GomezMexico CityMexico

Purpose: Determine the safety and efficacy of early enteral feeding after distal elective bowel anastomoses (DEBA) in children. Methods: Controlled randomized trial including pediatric patients with DEBA, excluding non-elective and high risk patients. Variables: Demographics, operative time, anastomosis placement, beginning peristalsis and bowel movement, time to full diet intake, post-operative stay, persisting vomiting and abdominal distention, wound infection or dehiscence, anastomotic leak, reoperation, death. Randomization into: 1) Experimental group (EG): early feeding group, after a minimum 24 hours fasting period, oral fluids and diet was started;2) Control group (CG): obligatory 5-day fasting. Descriptive Statistics: Student’s t test for quantitative and Chi square for qualitative variables, a p-value 0.05 was considered significant. Results: 60 patients were included since June 2003 to May 2004, 30 ineach group. Mean age 2 years, weight16 kg, malnutrition 33%. Stomal Ethiology: Anorectal-malformation 46%, Hirschsprung 13%, inflammatory 35%, tumoral 5%. Mostly in colon 71%. Mean surgical time 142 min. None developed vomiting or required nasogastric-tube. Mild abdominal distension 13%, mild fever 16.5% and wound complications 18%. Anastomosis leakage 6.5%, none required reoperations. Demographic variables showed no statistical differences. Full oral intake was in the 2nd postoperative day in the EG vs CG (p = 0.001). Postoperative hospital stay was 6.0 ± 3 in the EG vs 9.8 ± 4 days in the CG with clinical but not statistical significance. Peristalsis beginning, first flatus passage and bowel movements showed no statistical differences. The complication incidence was low and equally distributed. Conclusions: Early feeding after DEBA is safe and well tolerated in children.

关键词： Early Feeding Bowel Anastomosis Children

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