[PDF] Top 20 Directory UMM :Data Elmu:jurnal:A:Animal Reproduction Science:Vol62.Issue4.Sept2000:

... challenged Kendall et al., 1997b . The lack of any increase in plasma zinc concentration and the relatively high values suggest that both groups were adequate for zinc status. Plasma zinc concentrations are very ... Lihat dokumen lengkap

... of the oestrous cycle varies. Recently, Mburu et al. 1996, 1997 found that ovulation had an effect on the distribution of spermatozoa and that the isthmic lumen was narrower before rather than after ovulation. No ... Lihat dokumen lengkap

... different animal species but with earlier initiation of testosterone secretion at not more than 6–8 months and peaking at around 36 months old as reported in bulls Ž Bedaire and Thibier, 1979; Lacroix and ... Lihat dokumen lengkap

... The aim of the present experiment was to synchronise oestrus using different progestagen treatments in ewe lambs in which luteolysis was induced early in the synchronisation period and to examine the effect on LH ... Lihat dokumen lengkap

... In conclusion, we have shown that spurious results may be obtained by using solvents such as DMSO and THF to deliver b-carotene to luteal cells, but that b-carotene in HDL will stimulate progesterone production. ... Lihat dokumen lengkap

... staining data and the results of IVF are perhaps not surprising when one considers that for IVF, a highly motile sample were selected by Percoll ...of a semen sample is the ability of spermatozoa to ... Lihat dokumen lengkap

... The use of liquid stored semen allows high utilisation of individual sires. This is possible because of the low sperm numbers required to maintain fertility and the extended shelf-life of up to 4 days of use in the ... Lihat dokumen lengkap

... Concern over the potential for transmission of viral infection between samples stored in liquid nitrogen has recently been expressed in the United Kingdom, particularly in relation to samples of human semen. Fears arose ... Lihat dokumen lengkap

... Why should string be more attractive than the other stimuli? Bead and chain devices moved more rapidly when pecked and it could be argued that the chicks found this property slightly aversive, or at least not as ... Lihat dokumen lengkap

... Regarding the reference lists for each chapter, the general trend has been to provide selected articles and reviews to enable the reader to follow the developments and consult the literature. Due to the limits on length ... Lihat dokumen lengkap

... of a prolonged mismatch between actual Ž ‘‘no nest site found’’ state and desired state ‘‘find a suitable nest site’’ and is an ...of a prolonged mismatch could at the same time contribute to the ... Lihat dokumen lengkap

... 1%, 1.5% and 2% concentrations, were examined by Kumar et al. 1992b . They found that the protective effect of sugars depended on the type of diluent used for freezing. In milk diluent, fructose and sucrose gave the best ... Lihat dokumen lengkap

... Phospolipid A activity in seminal plasma or BUS was evidenced by using egg yolk as the substrate and measuring the amount of fatty acids ...by a lipase cannot be ...as a specific phospholipase ... Lihat dokumen lengkap

... When preparing camels for AI, it is necessary to be able to control follicular growth and synchronise ovulation in groups of animals. This poses particular problems in the camels due to the absence of a cyclical ... Lihat dokumen lengkap

... On the basis that epididymal spermatozoa can be successfully used for insemination in a number of species, including pigs, it could be assumed that seminal plasma from the accessory glands is of minor importance. ... Lihat dokumen lengkap

... of the cooling–freezing–thawing cycle similar to liquid storage may advance the maturation of sperm membranes, and increase the proportion of capacitated and acro- some reacted spermatozoa. Changes to the membranes of ... Lihat dokumen lengkap

... Since there was no consistency in the preferences by females regarding the males presented, male morphological traits must not have been of great importance in female choice. Comb size of broiler breeder strain males ... Lihat dokumen lengkap

... 1988 , we hypothesised that heifers would move through a race more easily if these treatments were provided at the end of the race. This was not the case, as heifers that received these treatments did not differ ... Lihat dokumen lengkap

... show a linear decrease from Food10 to ...found. A possible explanation might be that the differences in the intensity of frustration in this experiment were too small to influence the number of ...of ... Lihat dokumen lengkap

... for tearing twigs and branches from trees and bushes Jensen, 1993 . The gilts in our experiment had unlimited access to straw and branches in racks, so it is unlikely that they performed vacuum-like gathering behaviour. ... Lihat dokumen lengkap