Control of ovine lupinosis: use of a resistant cultivar of Lupinus albus - cv. Ultra

1980 ◽  
Vol 20 (104) ◽  
pp. 316 ◽  
Author(s):  
PM Wood ◽  
JG Allen

Lupin cultivars at four sites were assessed for their susceptibility to Phomopsis leptostromiformis, the causal fungus of ovine lupinosis. Toxicity levels were also monitored. Lupinus albus cv. Ultra showed marked resistance compared with cultivars of L. angustifolius and L. cosentinii at three sites. Toxicity tests showed low levels of toxicity in Ultra and high levels in the L. angustifolius and L. cosentinii cultivars. At the other site, both P. leptostromiformis infection and toxicity were low, regardless of the lupin cultivar used.

Author(s):  
Milen Dimov

The present study traces the dynamics of personal characteristics in youth and the manifested neurotic symptoms in the training process. These facts are the reason for the low levels of school results in the context of the existing theoretical statements of the problem and the empirical research conducted among the trained teenagers. We suggest that the indicators of neurotic symptomatology in youth – aggression, anxiety, and neuroticism, are the most demonstrated, compared to the other studied indicators of neurotic symptomatology. Studies have proved that there is a difference in the act of neurotic symptoms when tested in different situations, both in terms of expression and content. At the beginning of the school year, neurotic symptoms, more demonstrated in some aspects of aggressiveness, while at the end of school year, psychotism is more demonstrated. The presented summarized results indicate that at the beginning of the school year, neurotic symptoms are strongly associated with aggression. There is a tendency towards a lower level of social responsiveness, both in the self-assessment of real behavior and in the ideal “I”-image of students in the last year of their studies. The neurotic symptomatology, more demonstrated due to specific conditions in the life of young people and in relation to the characteristics of age.


1922 ◽  
Vol 4 (5) ◽  
pp. 573-584 ◽  
Author(s):  
David I. Macht ◽  
Marguerite B. Livingston

1. The effects of cocaine and its decomposition products were studied on the growth of the young roots of Lupinus albus. 2. The results obtained were compared with similar experiments on animal tissues. 3. It was found that, while cocaine is the most toxic of these compounds studied for animal tissues, it was of comparatively low toxicity in respect to its effect on the growth of roots. On the other hand, sodium benzoate, being practically non-toxic for animals, was the most toxic of the compounds studied for the plant roots.


1987 ◽  
Vol 151 (3) ◽  
pp. 398-400 ◽  
Author(s):  
J. Raboch ◽  
H. Černá ◽  
P. Zemek

Male sex hormones are ascribed a great importance in the literature from the point of view of sexual activity and aggressive behaviour. Two cases of sexually motivated murder are described, committed by delinquents with low levels of testosterone in plasma: one a patient with Klinefelter's syndrome; the other a man after castration. Even a decreased level of androgens, either primary or secondary, is not an absolute prevention of sexually aggressive behaviour.


2010 ◽  
Vol 25 (2) ◽  
pp. 156-174 ◽  
Author(s):  
Marcelo Barbio Rosa ◽  
Augusto Pereira Filho ◽  
Prakki Satyamurty

ABSTRACT Microphysical and thermodynamical features of two tropical systems, namely Hurricane Ivan and Typhoon Conson, and one sub-tropical, Catarina, have been analyzed based on space-born radar PR measurements available on the TRMM satellite. The procedure to classify the reflectivity profiles followed the Heymsfield et al (2000) and Steiner et al (1995) methodologies. The water and ice content have been calculated using a relationship obtained with data of the surface SPOL radar and PR in Rondonia State in Brazil. The diabatic heating rate due to latent heat release has been estimated using the methodology developed by Tao et al (1990). A more detailed analysis has been performed for Hurricane Catarina, the first of its kind in South Atlantic. High water content mean value has been found in Conson and Ivan at low levels and close to their centers. Results indicate that hurricane Catarina was shallower than the other two systems, with less water and the water was concentrated closer to its center. The mean ice content in Catarina was about 0.05 g kg-1 while in Conson it was 0.06 g kg-1 and in Ivan 0.08 g kg-1. Conson and Ivan had water content up to 0.3 g kg-1 above the 0ºC layer, while Catarina had less than 0.15 g kg-1. The latent heat released by Catarina showed to be very similar to the other two systems, except in the regions closer to the center.


2010 ◽  
Vol 54 (8) ◽  
pp. 711-716 ◽  
Author(s):  
Daiane Rodrigues Barbosa Belgini ◽  
Maricilda Palandi de Mello ◽  
Maria Tereza Matias Baptista ◽  
Daniel Minutti de Oliveira ◽  
Fernanda Canova Denardi ◽  
...  

In 2004, Costa-Santos and cols. reported 24 patients from 19 Brazilian families with 17α-hydroxylase deficiency and showed that p.W406R and p.R362C corresponded to 50% and 32% of CYP17A1 mutant alleles, respectively. The present report describes clinical and molecular data of six patients from three inbred Brazilian families with 17α-hydroxlyse deficiency. All patients had hypogonadism, amenorrhea and hypertension at diagnosis. Two sisters were found to be 46,XY with both gonads palpable in the inguinal region. All patients presented hypergonadotrophic hypogonadism, with high levels of ACTH (> 104 ng/mL), suppressed plasmatic renin activity, low levels of potassium (< 2.8 mEq/L) and elevated progesterone levels (> 4.4 ng/mL). Three of them, including two sisters, were homozygous for p.W406R mutation and the other three (two sisters and one cousin) were homozygous for p.R362C. The finding of p.W406R and p.R362C in the CYP17A1 gene here reported in additional families, confirms them as the most frequent mutations causing complete combined 17α-hydroxylase/17,20-lyase deficiency in Brazilian patients.


2002 ◽  
Vol 75 (3) ◽  
pp. 459-468 ◽  
Author(s):  
L. E. R. Dawson ◽  
A. F. Carson ◽  
L. O. W. McClinton

AbstractAn experiment was undertaken to compare the productivity of crossbred ewes, produced by crossing Texel sires with Rouge de l’Ouest (Rouge) dams and Rouge sires with Texel dams, relative to purebred Texel and Rouge ewes. The purebred and crossbred ewes were crossed with Rouge and Texel sires. The proportion of productive ewes was similar in the purebred and crossbred ewes with an average figure of 0·92. Irrespective of crossing sire, Rouge ewes produced 0·48 more lambs per ewe lambed than Texel ewes (P < 0·001). The two crossbred ewe types (Texel ✕ Rouge and Rouge ✕ Texel) each produced similar numbers of lambs (on average 1·92 lambs per ewe lambed). Individual heterosis values for ewe fertility and prolificacy were small and not significant (–1·67 for the proportion of productive ewes and –3·14 for the number of lambs born per ewe lambed). Maternal heterosis values were also not significant but were of larger magnitude (6·26 for ewe fertility and 3·12 for prolificacy). Lamb mortality (number of lambs born dead per ewe lambed) at birth was similar for purebred Rouge (0·44) and Texel (0·30) ewes and was significantly reduced by crossbred matings and mating the crossbred ewes (individual heterosis –30·68, P < 0·10; maternal heterosis –80·23, P < 0·001). Individual and maternal heterosis values for lamb growth rate from birth to six weeks were 8 (P < 0·05) and 4 (P > 0·05) respectively. Lamb growth rate from birth to weaning was significantly lower in lambs from Texel ewes compared with those from the other genotypes (P < 0·05). Individual and maternal heterosis values for live-weight gain from birth to weaning were 5 (P < 0·10) and 5 (P < 0·01). The results of the current study demonstrate the superior performance of purebred Rouge ewes compared with purebred Texel ewes in terms of prolificacy and lamb growth rate from birth to weaning. However, both breeds had high lamb mortality at birth. Crossbreeding led to the production of hybrid ewes which had relatively high prolificacy with low levels of dystocia and lamb mortality.


1994 ◽  
Vol 56 (1-4) ◽  
pp. 263-266 ◽  
Author(s):  
E.O. Knutson ◽  
A.C. George ◽  
P. Shebell ◽  
C.V. Gogolak

Abstract The Environmental Measurements Laboratory's experience with two methods of measuring thoron gas, and its findings on the feasibility of using these measurements to diagnose indoor air flow paths, are presented. One method is an updated version of the two-filter tube, and the other is a modified Falk-More-Nyblom delayed coincidence method. Measurements made with these instruments in six houses indicated that thoron concentrations are very low (median about 11 Bq.m-3); this is consistent with values previously reported for US housing. Both methods had difficulty measuring these low levels, particularly in houses with high radon gas levels. At one house, thoron levels measured outdoors over bare earth were higher than indoor levels. At the low levels encountered and with the current measuring technology, it seems unlikely that thoron gas measurements can be used to trace indoor air motion.


PEDIATRICS ◽  
1955 ◽  
Vol 15 (2) ◽  
pp. 180-184
Author(s):  
Lyonel G. Israels ◽  
Alvin Zipursky ◽  
Colin Sinclair

Utilizing a modification of the 1-stage method of Wolff, the plasma activity of Factor V was estimated in 53 normal newborns during the first week of life. By this method many newborns were found to have low levels of Factor V during the first 2 days of life which rose towards normal by the sixth day. These findings are discussed with reference to previous findings and to the variations in the other clotting factors during the neonatal period.


2001 ◽  
Vol 204 (4) ◽  
pp. 637-648 ◽  
Author(s):  
A.A. Faisal ◽  
T. Matheson

A locust placed upside down on a flat surface uses a predictable sequence of leg movements to right itself. To analyse this behaviour, we made use of a naturally occurring state of quiescence (thanatosis) to position locusts in a standardised upside-down position from which they spontaneously right themselves. Locusts grasped around the pronotum enter a state of thanatosis during which the limbs can be manipulated into particular postures, where they remain, and the animal can be placed upside down on the ground. When released, thanatosis lasts 4–456 s (mean 73 s) before the animal suddenly becomes active again and rights itself within a further 600 ms. Thanatosis is characterised by very low levels of leg motor activity. During righting, one hind leg provides most of the downward force against the ground that rolls the body around a longitudinal axis towards the other side. The driving force is produced by femoral levation (relative to the body) at the trochanter and by tibial extension. As the animal rolls over, the hind leg on the other side is also levated at the trochanter, so that it does not obstruct the movement. The forelegs and middle legs are not required for successful righting but they can help initially to tip the locust to one side, and at the end of the movement they help stop the roll as the animal turns upright. Individual locusts have a preferred righting direction but can, nevertheless, roll to either side. Locusts falling upside down through the air use both passive and active mechanisms to right themselves before they land. Without active movements, falling locusts tend to rotate into an upright position, but most locusts extend their hind leg tibiae and/or spread their wings, which increases the success of mid-air righting from 28 to 49 % when falling from 30 cm. The rapid and reliable righting behaviour of locusts reduces the time spent in a vulnerable upside-down position. Their narrow body geometry, large hind legs, which can generate substantial dorsally directed force, and the particular patterns of coordinated movements of the legs on both sides of the body are the key features that permit locusts to right themselves effectively. The reliability of autonomous multi-legged robots may be enhanced by incorporating these features into their design.


2019 ◽  
Author(s):  
JinLi Zheng ◽  
Yang Huang ◽  
Lingpeng Yang ◽  
Li Jiang

Abstract Background The previous studies showed the correlation between HBsAg and serum HBV DNA levels was weak or missing. Objective The study aims to investigate the correlation between HBeAg and HBV DNA levels, and to find an alternative tool to evaluate the HBV DNA level for clinicians. Methods A total of 1020 patients with CHB were enrolled in this cross-sectional study. We divided the patients into four groups as: HBeAg positivity and negativity groups, and high and low HBV DNA levels groups. Further, as per the levels of serum HBV DNA, we performed subgroups’ analyses for the HBeAg-positive and HBeAg-negative groups. Results Results showed that the ALT, ALB and HBeAg are independent factors to estimate the serum HBV DNA in CHB patients. But diagnosing the high levels of HBV DNA is not credible (the AUC=0.622, Fig1-A). In HBeAg-positive group, when the level of HBeAg is higher than 16.15 S/CO, we can predict the patient with high levels of HBV DNA (> 2000 IU/ml, AUC=0.787, Fig1-C) and the patients were 4 folds to have the high levels of HBV DNA than the HBeAg-negativ (table3). The levels of ALT and TB are the independent risk factors for the patients in HBeAg-negative group. When the levels of ALT and TB are higher 36.5 IU/L and 11.15 umol/L,respectively, the patient would have a high levels of HBV DNA (> 2000 IU/ml, AUC=0.609, Fig2-B). Conclusion HBeAg is an independent factor that reflects the levels of serum HBV DNA with a strong correlation, but it is not accurate to evaluate the levels of serum HBV DNA by the HBeAg-positive. On the other hand, the patients with HBeAg-negative are not mean having a low levels of HBV DNA, which can be evaluated by the levels of ALT and TB.


Sign in / Sign up

Export Citation Format

Share Document