(v. t.) To deprive of the testicles; to emasculate; to geld; to alter.
(v. t.) To cut or take out; esp. to remove anything erroneous, or objectionable from, as the obscene parts of a writing; to expurgate.
Example Sentences:
(1) Intact rams exhibited GH secretory episodes of greater (P less than 0.01) amplitude than did castrated lambs.
(2) Positive feedback effects on serum gonadotrophins in castrates were observed following injection of certain doses of some steroids.
(3) In contrast, castration during pseudopregnancy did not abolish the secondary peaks.
(4) No specific labeling could be detected in the adrenocorticotrophs of adrenalectomized rats or gonadotrophs (castration cells) of castrated rats.
(5) In a final experiment, prostatic atrophy in castrate rats was not enhanced by either adrenalectomy or flutamide treatment.
(6) Castrated rams did not show this increase, with or without supplementary testosterone.
(7) Naloxone also prevented testosterone's negative feedback inhibition of serum LH in the castrated male rat.
(8) Moreover, the levels of these parameters were comparable in tumours whether implanted in non-castrated or gonadectomized animals.
(9) Castration of male rats results in a decrease in submandibular gland RSKG-7 mRNA, which can be restored to the normal level by treatment with thyroxine or testosterone.
(10) In vivo administration of anti-EGF antibody or anti-TGF-alpha antibody significantly reduced estrogen-induced labelling index in castrated mouse uterus.
(11) In castrates, the prostatic stroma became thickened, with a large increase in fibrous material between and surrounding each acinus, although smooth muscle cells retained their normal cytology.
(12) Median survival was significantly prolonged in primed animals 191 vs 40 days for untreated animals and 150 days for the nonprimed castration + chemotherapy animals (P less than 0.02).
(13) Adreno-cortical compensation of the concentration of the hormone did not occur in the post-castration period.
(14) Rat dorsal prostate epithelium was studied in intact adult animals, in animals castrated for three days and in rats after inhibition of prolactin secretion.
(15) The ability of melatonin to influence LH pulse frequency in entire and castrated rams indicated that an effect of melatonin on the hypothalamic pulse generator is independent of testicular steroids.
(16) The treatment with supraphysiological doses of the gonadotropin releasing hormone analogue Buserelin results in the suppression of serum testosterone to castration range with a probability of 95% after 28 days.
(17) To determine the effect of photoperiod on substance P, peptide containing neurons were counted in (1) enucleates (n = 6), (2) enucleated castrates treated with testosterone (n = 6), (3) castrates treated with testosterone (n = 4), and (4) intact controls (n = 6).
(18) In addition, there was a marginally significant (P less than 0.1) relationship between prolactin secretion in the castrate ram and the stage of testicular activity in the entire rams with elevated levels associated with regressed activity.
(19) In terms of total cellular receptor content, initial levels were higher in castrate animals, but rapidly fell to intact levels within an hour following estradiol injection.
(20) The effect of naloxone administration on the LH-RH secretion in hypophyseal portal blood and LH secretion in peripheral blood was studied in four short term castrated rams (between 2 to 4 days after castration).
Wether
Definition:
(n.) A castrated ram.
Example Sentences:
(1) Estimates for the biological half-lives of the antibodies ranged from 18 to 24 days in neonatal lambs and 12 to 17 days in adult wethers.
(2) In trial with adult wethers and weaned lambs the effect of enzymatic preparation Pektofoetidin G3x (mostly pectinase and cellulase) on rumen fermentation was studied.
(3) Ram biceps femoris weights at market were greater than those of wethers (P less than .05).
(4) In an experiment with wethers we investigated the effect of complete pelleted feed ration on the concentration of volatile fatty acids in the rumen and intestinal tract.
(5) Four crossbred wether lambs (38 kg) with permanent ruminal and abomasal cannulae were used in a 4 X 4 Latin square arrangement of treatments to determine the effect of feeding frequency (FF) on forage fiber and N utilization.
(6) Eight crossbred wethers were fed two levels of Ca, designated high Ca (.82%) or normal Ca (.48%), with four treatment each, three of which differed in dietary cation-anion balance.
(7) Neither rate of testosterone infusion had any effect on the raised gonadotrophin levels in wethers.
(8) The experiments performed on two wethers provided with simple rumen cannulas and reentrant cannulas, inserted into the proximal duodenum and ileum, showed a passage of 15N from labelled urea, injected intravenously, from the blood to the digestive tract.
(9) Eight variants of recipes for mixtures of straw and concentrated feed with 10 to 60 per cent straw more or less finely ground (86 to 314 g crude fibre per kg dry matter) and fattening feed for lambs (50 g crude fibre per kg dry matter) were checked concerning the digestibility of crude nutrients for fullgrown wethers and 60 to 80-, 80 to 100-and 100 to 120-day-old lambs which had been ablactated at an age of 60 days.
(10) Twenty-four wethers had ad libitum access to a total forage diet (pearl millet forage), water and trace mineralized salt.
(11) Experiments were conducted with two wether sheep which were fitted with rumen cannulae and chronically implanted intravascular thermocouples.
(12) Wethers received one of two dietary treatments for 30 d before determination of tissue blood flow: 1) a low-endophyte diet (less than .05 ppm ergovaline) or 2) a high-endophyte (1.18 ppm ergovaline) diet.
(13) The experiments were performed with inocula from wethers receiving two rations, with two pH regimes and using as inocula either whole rumen contents or the corresponding rumen fluid.
(14) Maintenance of adipose tissue from wethers (castrated male sheep) in tissue culture for 24 or 48 h with insulin resulted in an increased proportion of acetyl-CoA carboxylase being present in the active state; this effect was enhanced by dexamethasone and was antagonized by growth hormone.
(15) Several benign and malignant tumors of bone and cartilage were examined by means of type-specific collagen antibodies in connection with indirect immunofluorescence technique in order to determine wether there is a positive correlation between cell morphology and gene expression as refered to the synthesis of tissue- or cell-specific collagen.
(16) Higher faecal egg counts, larger worm burdens and heavier worms were recorded in immunosuppressed wethers.
(17) This study was undertaken to determine wether serum C3 and C4 values can help distinguish SLE activity from pre-eclampsia.
(18) Apparent digestibility and nutrient utilization were studied in a digestion and balance trial with 30 wether lambs (BW 32 kg).
(19) In trial 1, two qualities of alfalfa and smooth brome hays replaced 0, 15, 30 or 100% of an ammonia (NH3)-treated corn cob negative control diet in a digestion trial using 26 mixed breed wethers (31.8 kg).
(20) Wethers were studied for the effect of the complete pelleted feed ration on the intake of water and concentration of pH and ammonia in the rumen.