The genetic architecture of oil content, seed yield and its related biometric traits in castor was investigated through generation mean analysis four crosses viz., JP 104 × JI 433, SKP 84 437 441 twelve generations (P1, P2, F1, F2, B1, B2, B11, B12, B21, B22, B1s B2s). Significance simple scaling tests Cavali’s joint test all the for one or more indicated presence digenic trigenic gene interact...

two breeds of chickens were used to develop reference family and detect qtls affecting egg quality traits: cocks of a native polish breed green-legged partidgenous (glp) and hens of rhode island red (rir). during the first 100 days of the laying period, the glp hens lay about 40 eggs weighting on average 50 g, whilst the rir flock laid 83 eggs with a mean weight of 60 g. qtl analysis of egg qua...