Before the antler casting the deer were either implanted with cyproterone acetate in silastic tubes or sham-implanted. In the present study we take into consideration the following factors: the time of the antiandrogen application before antler casting; antler casting, growth, and cleaning; and ...
Endocrine control of antler growth in red deer stags Observations of body weight, testis size, antler status, plasma testosterone and prolactin were made on 12 red deer stags during their first 2 years of lif... JM Suttie,GA Lincoln,RNB Kay - 《J Reprod Fert》 被引量: 205发表: 1984年...
Four sexually mature male red deer were actively immunized against LHRH and this caused 3 of the animals to cast their antlers prematurely in the autumn instead of the spring. Development of new antlers was initiated after casting, but the effects on the antler cycle were variable and correlated...
Endocrine relationships between rank -related behavior and antler growth in deer 2012, Frontiers in Bioscience - Elite Getting the timing right: Antler growth phenology and sexual selection in a wild red deer population 2010, Oecologia Cyproterone acetate reduced antler growth in surgically castrated fal...
Seasonal changes in mineral intake and first antler growth in Iberian red deer (Cervus elaphus hispanicus)Animal Science and ZoologyIberian red deer (Cervus elaphus hispanicus) are mixed feeders with a broad food spectrum, consisting of grasses, shrubs, forbs and trees, depending on the habitat ...
Showing a limited preview of this publication: Antler eatingandantler growthinwild Axis deerbyC.BARRETTEDepartementdeBiologie,UniversiteLaval,Quebec,Canada,G1K7P4Summary.—During20monthsoffieldworkinWilpattuNationalParkin SriLanka(8°30'N,80°1) Irecorded102instancesofosteophagiabyAxis deer(Axis axis)....
The red deer is a species with a seasonal antler cycle. The development and mineralization of antlers is closely related to the sexual cycle. Variations in levels of sexual hormones play a major role in the timing of individual phases of antler growth. Testosterone (T) appears to be the horm...
Role of steroids in antler growth of red deer stags. LH stimulation, ovine LH was injected on six occasions at defined stages of the antler cycle to red deer stags and the testosterone response measured. ... JM Suttie,PF Fennessy,KR Lapwood,... - 《Journal of Experimental Zoology Part ...
In spring even though horn growth is a key, the first thing the minerals are used for is rebuilding the Mule and whitetail deer or elk body back to where it should be after it lost as much as 30% of its body weight over the winter, and this includes minerals. Once that is replenish...
5. It is concluded that the effects of testosterone on antler growth are qualitatively the same in reindeer as in other deer. However, because high testosterone doses were necessary to produce effects, it is questionable whether this hormone normally is responsible for the cessation of antler ...