Ciência Rural

http://www.scielo.br/scielo.php?script=sci_issues&pid=0103-8478&lng=pt&nrm=iso

List of Papers (Total 351)

DESEMPENHO DE NOVILHAS DA RAÇA HOLANDÊS EM CULTIVARES DE CAPIM-ELEFANTE (Pennisetum purpureum, Schum.) SUBMETIDAS AO PASTEJO

SUMMARY Holstein Friesian milking cows and heifers were used under rotational grazing to evaluate different cultivars (cvs.) elephant-grass; Merckeron Pinda, Mercker-86-México, Porto Rico and Cameroon under grazing conditions in the region of Santa Maria-RS. in relation to the availability and the quality of the forage it was observed that the cvs. are very similar but the best...

VIABILIDADE DO EMPREGO DE UMA MINIDOSE DE PROSTAGLANDINA NA SINCRONIZAÇÃO DE CIOS EM OVINOS

SUMMARY This study includes three serial experiments conducted to verify the reliability of a dose redution of prostaglandin in estrus synchronization of ewes through vaginal submucous. The results indicated that it is possible a reduction to one third ofthe usual dosis. In estrus synchronization systems of nine days, the best results were obtained with prostaglandin injections...

DIABETES MELITO

SUMMARY The authors presented a bibliographic review of animal diabetes mellitus. This systemic disease involves an heterogenic group of metabolic diseases and causes many different diseases. The diagnosis from diabetes mellitus were incomun in veterinary medicine and it was described in dogs and cats but it is present in different species. The present review related the clinical...

EFEITOS DA INTERAÇÃO DE AUXINAS E SISTEMAS DE CULTIVO IN VITRO NA INDUÇÃO DE CALOS A PARTIR DE EMBRIÕES DE ARROZ

SUMMARY A medium for calius development was studied for growing mature embryos of rice (Oryza sativa L), variety BR-IRGA 414, in medium MS with different concentration of synthetic auxins, NAA and 2.4-D (0.5; 1.0; 5.0 e 10.0mg/l). Each concentration had additional treatments including presence and absence of cinetin (0.2mg/l) and of light (cold-white bulb, 4000 lux intensity...

FUNGICIDAS PARA O CONTROLE DA FERRUGEM DO ALHO

SUMMARY An experiment was conducted aiming to evaluate the efficiency of different fungicides in controling rust in garlic (Ailium sativum L.), cultivar Quitéria. The location was in Rio Grande, RS and planting and harvest dates were July 23 and December 15, 1987, respectively. The experimental design was a randomized block with four replications. The treatments that enabled...

Tumor venéreo transmissível com metástases cutâneas em um cão transmissible venereal

Transmissible venereal tumor is most of the times diagnosed in young, healthy and sexually active animais. In general it affects any part of external genitalis; metastasis, although uncommon, may occur. This paper reports a case of a transmissible venereal tumor, in the glans penis of a dog with spread to the skin of abdominal and inguinal regions.

Implante de placa de silicone na substituição parcial da parede traqueal em caninos

Six dogs were submitted to an operation to test the viability of sylicon slab in partial replecement of tracheal wall. These animais were anesthetized and had removed a third part with compatible dimension of the circunference of three tracheal rings at mid cervical region. At this place a sylicon slab was implanted and fixed to the surrounding tracheal cartilage. The dogs were...

Enraizamento in vitro de microestacas e micropropagação de gemas axilares de Sarandi (Sebastiania schottiana Muell. arg.)

In vitro rooting was carried out on Murashige & Skoog (MS) and Wood Plant Medium (WPM) liquid and solid, suppiemented with indolbutiric acid (IBA). Multipleshoot induction was tested with benzylaminopurine (BAP) on MS and WPM Medium, with one explant in each tube. The explant was inoculated in container (200ml) on MS Medium suppiemented with BAP and NAA. The last experiment was...

Efeito do cloreto de chlormequat sobre quatro cultivares de trigo em duas épocas de semeadura

Two experiments were conducted aiming to evaluate the effects of the growth regulator CCC [2-Chioroethyl,trimethylammonium chloride] on seed yield and other characteristics of four wheat cultivars on two seeding dates. The treatments were the cultivars CEP 19, BR 14, BR 15 and BR 23 and the CCC doses 400 and 1000g ai/ha in 1989 and 1990 respectively. The seeding dates were in...

Controle de insetos em frutas, hortaliças e grãos armazenados com o uso de temperaturas extremas e gases

The use of either high or low temperatures and different CO2 and O2 concentrations on the storage atmosphere are altematives for fruit desinfestation and others agricultural goods and insect control on grains during storage. These nonchemical methods avoid the use of insecticides, without leaving toxic residues on the storage products. This review evaluate the efficiency of these...

Tiamina e riboflavina: evolução com a maturação de Cabernet Sauvignon e comportamento durante a fermentação com diferentes níveis de anidrido sulfuroso adicionado

The aim of the work was to follow the behaviour of both vitamins, thiamine and riboflavin, during ripening of Vitis vinifera Cabemet Sauvignon and during fermentation of the must using different amounts of SO2. Minimum values for thiamine and riboflavin were, respectivelly, (ug/100ml): 7.67 and 6.85 at 5.5 °Brix and the maximum values were, respectivelly, 19.35 (at harvest) and...

Momento da ovulação em ovelhas corriedale após cio natural e induzido com progestágeno e eCG

The aim of the present study was to verify the time of ovulation after natural or induced estrus in the Comedale ewe. The ram effect was also evaluated in the presence of induced estrus. Both treatments were examined by laparoscopy every four hours, from 20h to 40h after beginning the natural estrus, and from 48h to 120h after withdrawing the sponges or until ovulation was...

Comportamento de bovinos e bubalinos em regime de confinamento: II. hierarquia social

The study was conducted at the UFSM with the purpose to verify the behavior between 12 bovine (Polled Hereford) and 12 bubaline (Mediterranean) steers with 20 months of age. The roughage (fresh chopped sugar cane or com silage) constituted 70% of the dry matter offered, the remaining of the diet was completed with concentrate. The food was provided ad libitum twice daily. The...

Valor nutritivo de cultivares de capim-elefante (Pennisetum purpureum Schum.) sob condições de pastejo

To evaluate four different elephant grass cultivars (cvs.): Merckeron Pinda, Mercker-86-Mexico, Porto Rico and Cameroon, under grazing conditions. Holstem heiters and cows were used in a rotational grazing system. This work was undertaken at the experimental area of the Animal Science Department, Federal University Campus, Santa Maria-RS. Nutritivo value was estimated through...

A precisão experimental para diferentes manejos na cultura do milho

The effects of weed control procedures, fertilizer and seed distribution uniformity, and young plant protection to insects over the experimental error were studied. The management procedures were organized in three experiments using a completely randomized design. Each replication of the management procedure was made by 6 lines of 5m using a short-day com cultivar. The weed...

Estenose da fossa intercondilar após estabilização articular com retalho de fáscia lata em cães

Intercondylar fossa width indexes (IFWI) were determined in nine adult dogs submitted to intercondylar notchplasty (IN) after transection of the cranial cruciate ligament (CCL) followed by a fascial strip stabilization. The right stifle was submitted to IN followed by fascial strip reconstruction of the CCL (GI) while in the left stifle IN was not performed (GC). Each group was...