C.A. Sava

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EVALUATION OF MORPHOLOGICAL AND REPRODUCTIVE PARAMETERS IN TIGAIA SHEEP BREED OF RUSTY VARIETY

C.A. Sava, C. Pascal, Roxana Zaharia, N. Zaharia, T.S. Atanasiu

Abstract
The purpose of this paper is to make an assessment on the main parameters and on some reproductive aspects of morphology young and adulde sheep, belonging to race Tigaia of rusty variety. The study was conducted on a total of 130 adult sheep and 127 lambs lambed in the spring of 2010. Working methods used are specific to this type of research and refers to the weighing and body measurements, free assessments and statistical calculations. Analysis of reproductive indices show that fecundity is 95%, prolificacy 105% - 115% and 97.6% fertility. Values obtained from the measurements bodily adult animals show that the studied sheep, is characterized by a pear-shaped body form, with height 59.9 cm, rump height 62.84 cm, chest depth 28.77 cm having an average body weight 49.6 kg. Regarding the mean body size in young sheep aged 28 days, they indicate that, in the first period of life youth grow mainly in length and height and then in width. In this study, it can be concluded that Tigaia sheep bred of rusty variety, is characterized by a dolicomorf body form, with a relatively small body development, if we refer to body weight. Evaluation of breeding indices show a very good fecundity, but a reduced fecundity compared to other breeds.

Key words: sheep, morphology, reproductive parameters