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GDF9 gene (amplicon of exon I) using HhaI enzyme revealed 120, 254 and 338 fragments without any differences between the two breeds being tested. GDF9 gene exon II amplicon(713 bp) showed similar pattern of restriction in the two tested breeds with 4 bands (54, 62, 137 and 460bp) using HinfI enzyme. The restriction enzymes, HinfI, SpeI and XbaI, failed to digest the amplicons of exons I and II(500 bp, each) of BMP15 gene in all tested animals of both breeds suggesting absence of polymorphism. This study concluded that there was no polymorphism in the four exons between Barki and Rahmani sheep and the two breeds have the wild genotype with absence of any mutation.]]>
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0.05). There are other types of data (animal breeding and production) which were analyzed by repeated measures ANOVA and principal component analysis (PCA). The repeated measures ANOVA is equivalent to normalized ANOVA, but for related, not independent groups. Data of this test was obtained from a study aimed to measure body weight of three breeds of rabbits at 4 time points 4th, 6th, 8th and 10th weeks of the experiment. The main effect of breed types of rabbits was significant (P < 0.05), the time (weeks) was highly significant (P < 0.001) and their interaction was also highly significant (P < 0.001). Principal component analysis (PCA) is used to reduce a large set of variables to a small set that still contains most of the information in the large set. A reduced set is easier to analyze and interpret. Data with 6 variables reduced to only 2 variables where initial eigenvalues were > 1 for two variables and their values were (2.768 and 1.147).]]>
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