(v. t.) To deprive of horns; to prevent the growth of the horns of (cattle) by burning their ends soon after they start. See Dishorn.
Example Sentences:
(1) Use of Barne's calf dehorners, tube-type calf dehorners, and elastrator bands are contraindicated in the goat due to the anatomic structure of the frontal sinus.
(2) Brucellosis vaccination and dehorning were examined for an association with bovine leukemia virus (BLV) infection in heifers on a California dairy between April 1984 and June 1987.
(3) Calves in one group were dehorned electrically at 8 wk of age whereas the control group remained horned through 12 wk of age.
(4) The specific control program required single use of needles and obstetrical sleeves, disinfection of tattoo equipment before use, dehorning by use of electrical burning devices, replacement of whole milk feeding with high-quality milk replacer, and heat treatment of colostrum before feeding.
(5) To evaluate risk of transmission by brucellosis vaccination, which was usually done within one month postweaning, cumulative proportions of heifers remaining uninfected were computed among heifers that did not seroconvert three months after dehorning.
(6) Many rhino owners have resorted to dehorning – shortening their animals' horns — to make them less attractive targets.
(7) Effects of handling, administration of a local anesthetic, and electrical dehorning on plasma cortisol were measured in Holstein heifer calves.
(8) Between December 1985 and June 1986, weaned heifers were dehorned using the gouge method at the time of brucellosis vaccination.
(9) Electrical dehorning at 8 wk of age presents no long-term stress to calves.
(10) Because results of a Cox model analysis indicated that groups of heifers were 6.6 times more at risk of becoming infected if placed in pens holding gouge-dehorned heifers (where prevalence varied between 50 and 70%) (p less than 0.001) than other groups placed in pens without gouge-dehorned heifers (where prevalence varied between 10 and 30%), cumulative proportions of heifers remaining uninfected were computed for each type of group.
(11) The presence of the frontal sinus and the stump of the horn processes left after dehorning are factors that make the healing of an open dehorning wound unique compared with other wounds.
(12) Owners should be advised that dehorning can be temporatily debilitating to the goat and can alter a goat's social status within a herd.
(13) Open wound healing following dehorning using a wire saw was observed in 25 cattle aged between 1 and 5 years.
(14) The iatrogenic transmission by needles, dehorning and perhaps even rectal examinations is discussed.
(15) Dehorning female goats late in gestation can induce aboriton; male goats used for breeding should be dehorned well in advance of the breeding season.
(16) Among them is John Hume, South Africa's biggest private owner with more than 800 rhinos, who argues that the animals could be periodically dehorned safely and humanely.
(17) Particular aspects of the castration of billy goats, deodorization and dehorning are also discussed.
(18) Chronic frontal sinusitis in 12 dairy cattle most often was associated with a history of dehorning, in which the sinus was entered (67%), or with respiratory tract disease (25%).
(19) Subsequently, annual testing of the herd revealed a decline in the prevalence of bovine leukosis virus antibodies as older cattle dehorned by the former method were replaced by younger cattle dehorned by the latter method.
(20) The field use of a blood-contaminated dehorning device resulted in transmission of bovine leukemia virus.
Dehors
Definition:
(prep.) Out of; without; foreign to; out of the agreement, record, will, or other instrument.
(n.) All sorts of outworks in general, at a distance from the main works; any advanced works for protection or cover.
Example Sentences:
(1) Both B. pseudolongum and B. thermophilum grow unusually rapidly in the rumen fluid medium of Scott and Dehority, and reached a maximum of optical density after only 6 to 7 h of incubation.