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Articles by Razvan POPA
Total Records ( 3 ) for Razvan POPA
  Dorel DRONCA , Nicolae PACALA , Ioan BENCSIK , Marcel MATIUTI , Teofil OROIAN , Vasile CIGHI , Razvan POPA , Mihaela IVANCIA , Ada CEAN , Silvia ERINA and Liliana BOCA
  Integration of the Romania in the UE is imposing a special attention to hunting animal populations. The aim of the present paper is to study the quantitative evolution of the hunting population for the 13th species, in the period 2006-2010, in the hunting terrain 59 Giarmata, from Forest Domain-Timisoara, with a total surface of 8417 ha. The results showed that from the 13th studied species only 7 were identified from which 5 species kept the effectives constant, fact that demonstrates the existence of a balance between the number of individuals and the biogenic capacity of this hunting terrain. In return the European hare (Lepus europaeus P.) and Common Pheasant (Phasianus colchicus L.) registered on the entire studied period a decrease of the effectives with 33.9% and 18% respectively.
  Dorel DRONCA , Nicolae PACALA , Ioan BENCSIK , Marcel MATIUTI , Teofil OROIAN , Vasile CIGHI , Razvan POPA , Ada CEAN , Daniela TOBA and Liliana BOCA
  Non additive genetic component that is the base of a quantitative character has no predictability, this is the reason for which the present paper is proposing to appreciate the special combinatory capacity for total gain and average daily gain recorded the finishing period (30-80 days), in a specific crossing scheme combining three rabbit breeds common in Timis County breeders New Zealand White, Large Chinchilla and Californian. The data obtained, were statistically analyzed and demonstrates a good special combinative capacity for these characters, reason for which the crossing scheme is recommended for producing of meat individuals destined for slaughterhouses. This scheme provides an exploitation of the high fervency of the heterozygote at maternal forms and at the final hybrids.
  Marius MAFTEI , Razvan POPA , Dana POPA , Gheorghe MARGINEAN , Iulian VLAD , Mariana GIRLEA and Traian LAPUSTE
  The study of important ancestors provides important information about ways to improve the analyzed population (the origin of the population, selection on the ascendant) and the possibilities of its further development (small number of ancestors, maintaining genetic similarity with outstanding breeding animal or preferring descendants from some individuals, can lead to inbreeding and genetic drift). Material was represented by Furioso North-Star horse population from Slatina stud, Olt county. Method used was “The numerator relationship matrix” (A matrix) elaborated by Henderson and Cuningham in 1976. The results reveal that the share of genetic relationship between males’ ascendants and population is 0%-25.17%. 11 stallions have a higher genetic similarity to population, between 20.29%- 25.17%.
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