Hygiene in the poultry farm     

K Lange 《Monatshefte für Veterin?rmedizin》1965,20(20):827-831

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Histological studies on the hypothalamic adenohypophyseal-gonadal system after mestranol and chlormadinone acetate administration in fattening bulls]     

W Schuffenhauer  W Lange 《Archiv fuer experimentelle veterinaermedizin》1978,32(1):147-154

Seventy-six young steers were examined to elucidate the action of the steroid oestrogen Mestranol and the gestagen chloromadinone acetate upon the morphology of hypothalamus, adenohypophysis, testes, and accessory sexual glands. The doses used were those applicable also to real animal husbandry. The mechanisms of action of the above pharmaceutical products are discussed against the background of the experimental results. No pathological alteration was observed that might prohibit application of the tested sexual steroids to young steers.  相似文献   

Autochthonous babesiosis in dogs in The Netherlands associated with local Dermacentor reticulatus ticks     

de Lange T  Nijhof A  Taoufik A  Houwers D  Teske E  Jongejan F 《Tijdschrift voor diergeneeskunde》2005,130(8):234-238

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Practical experience with the P. Rommel pregnancy test with mares     

K Huhold  H Lange 《Monatshefte für Veterin?rmedizin》1967,22(24):968-972

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The incidence of Brucella melitensis in animals in Syria     

R Hirchert  W Lange  H G Leonhardt 《Berliner und Münchener tier?rztliche Wochenschrift》1967,80(3):45-47

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The arterial vascular system of boar testes     

M B?ttcher  W Lange 《Archiv fuer experimentelle veterinaermedizin》1987,41(1):58-64

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The detection of antibodies against influenza A viruses (H1N1, H3N2) in swine with the single radial hemolysis (SRH) and the hemagglutination inhibition (HAH) tests     

X M Zhang  T Schliesser  H Lange  W Herbst 《Zentralblatt für Veterin?rmedizin. Reihe B. Journal of veterinary medicine. Series B》1988,35(1):57-63

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High urinary corticoid/creatinine ratios in cats with hyperthyroidism     

de Lange MS  Galac S  Trip MR  Kooistra HS 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2004,18(2):152-155

Measurement of the urinary corticoid : creatinine (C : C) ratio provides an assessment of cortisol secretion over a period of time. Therefore, this test is a very sensitive measure of adrenocortical function. The stress of the diagnostic procedure and nonadrenal disease may increase the urinary C : C ratio. In addition, diseases such as hyperthyroidism may influence the metabolic clearance of cortisol. To evaluate the effect of thyroid hormone excess, urinary C : C ratios were measured in 32 cats with hyperthyroidism and 45 healthy household cats. In 7 cats, urinary C : C ratios were measured both before and after treatment for hyperthyroidism. With data from the healthy cats, the reference range for the urinary C : C ratio was determined to be 8.0 to 42.0 X 10(-6). The urinary C : C ratios in the cats with hyperthyroidism (median, 37.5 x 10(-6); range, 5.9-169.5 x 10(-6)) were significantly (P = .001) higher than those in the healthy cats (median, 16 x 10(-6); range, 4.8-52.5 x 10(-6)). In 15 cats with hyperthyroidism, the urinary C : C ratios exceeded the upper limit of the reference range. Treatment for hyperthyroidism led to a marked decrease in urinary C : C ratios. The results of this study demonstrate that the urinary C : C ratio may be abnormally high in cats with hyperthyroidism, probably because of increased metabolic clearance of cortisol and activation of the pituitary-adrenocortical axis by disease. Although the clinical features of hyperthyroidism and hyperadrenocorticism in cats are different, hyperthyroidism should be ruled out when cats are suspected of hyperadrenocorticism on the basis of abnormally high urinary C : C ratios.  相似文献   

Effects of energy intake and body weight on physical and chemical body composition in growing entire male pigs     

Weis RN  Birkett SH  Morel PC  de Lange CF 《Journal of animal science》2004,82(1):109-121

Two experiments were conducted to determine independent effects of BW and DE intake on body composition and the partitioning of retained body energy between lipid and protein in pigs with high lean tissue growth potentials and when energy intake limited whole-body protein deposition. In a preliminary N-balance experiment involving 20 entire male pigs at either 30 or 100 kg BW, it was established that whole-body protein deposition increased linearly (P < 0.05) with DE intake at both BW. These results indicate that DE intake controlled whole-body protein deposition and that these pigs did not achieve their maximum whole-body protein deposition when fed semi-ad libitum. In the main serial slaughter experiment, 56 pigs, with a BW of 15 kg, were assigned to one of four DE intake schemes and slaughtered at 40, 65, 90, or 115 kg BW. Within DE intake schemes, DE intake was increased linearly (P < 0.05) with BW, allowing for an assessment of effects of DE intake and slaughter BW on chemical and physical body composition (carcass, viscera, blood). Between 15 and 90 kg BW, average DE intake of 16.1, 20.9, 25.2, and 28.8 MJ/d supported average BW gains of 502, 731, 899, and 951 g/d, respectively. The proportion of whole-body protein present in the carcass increased with BW and decreased with DE intake (P < 0.05), whereas the distribution of whole-body lipid between carcass and viscera was not influenced by BW and DE intake. A mathematical relationship was developed to determine the relationship between DE intake at slaughter (MJ/d) and chemical body composition in these pigs: whole-body lipid-to-protein ratio = 1.236 - 0.056 x (DE intake) + 0.0013 x (DE intake)2, r2 = 0.71. The data suggests that absolute DE intake alone was an adequate predictor of chemical body composition in this population of entire male pigs over the BW and DE intake ranges that were evaluated, simplifying the characterization of this aspect of nutrition partitioning for growth in different pig populations.  相似文献   

Efficiency of utilizing ileal digestible lysine and threonine for whole body protein deposition in growing pigs is reduced when dietary casein is replaced by wheat shorts     

Libao-Mercado AJ  Leeson S  Langer S  Marty BJ  de Lange CF 《Journal of animal science》2006,84(6):1362-1374

To determine the effect of dietary inclusion level of wheat shorts (WS; a high nonstarch poly-saccharide-containing feed ingredient) and casein (CS; a control) on the efficiency of utilizing ileal digestible Lys (kLys) and Thr (kThr) for whole body protein deposition (PD) in the growing pig, 2 separate N-balance studies were conducted with either Lys or Thr as first-limiting AA in cornstarch-based diets. For the Lys study, a basal diet (L-basal) was formulated to contain 0.24 g of standardized ileal digestible (SID) Lys per MJ of DE, to which 0.095 or 0.19 g of SID Lys per MJ of DE were added using either CS (L-CS2 or L-CS3, respectively) or WS (L-WS2 or L-WS3, respectively). A sixth diet was evaluated that was similar to L-CS3 but to which 6% pectin (L-pectin) was added as a source of soluble nonstarch polysaccharides. For the Thr study, the basal diet (T-basal) was formulated to contain 0.14 g of SID Thr per MJ of DE, to which 0.055 or 0.11 g of SID Thr per MJ of DE were added from CS (T-CS2 or T-CS3, respectively) or from WS (T-WS2 and T-WS3, respectively). A sixth diet was evaluated that was similar to T-CS3 but to which 6% pectin was added (T-pectin). Increasing SID Lys intake from CS did not influence kLys for PD (P > 0.10), whereas increasing SID Lys intake from WS reduced kLys for PD (P = 0.001; 89 vs. 79%). Inclusion of 6% pectin had no effect on kLys for PD (P > 0.10). Increasing SID Thr intake from CS also did not influence kThr for PD (P > 0.10), whereas kThr for PD was reduced at the greatest dietary inclusion level of WS (P < 0.001; 90 vs. 77%). Pectin inclusion had no effect on kThr for PD (P > 0.10). The inefficiency of utilizing ileal digestible Lys intake for PD may be attributed to nonreactive Lys in WS. The negative impact of including high levels of WS in the diet of pigs on kThr seems to be associated with fiber content of WS; it was not related to increased endogenous ileal AA losses at the distal ileum. The impact of dietary AA source on the use of ileal digestible Lys and Thr for PD, or other body functions, is substantial and should be considered in the formulation of pig diets. Further research is warranted to elucidate the mechanisms contributing to substantial dietary effects on Thr use for PD.  相似文献