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The purpose of the study was to examine male reproductive organs of the Polbar breed of chickens with regard to age and with particular emphasis on morphometric values. In addition, an analysis was undertaken to check if this unique polbar breed of chickens had specific characteristics of the reproductive tract, distinct from those presented in specialist literature. Testicles and vas deferens were...
The purpose of this study was to determine the effect of age on the macro- and microscopic characteristics of the female reproductive tract in Polbar hens. Additionally, the authors of the study decided to verify whether this unique breed of polbar hens possesses specific characteristics of the reproductive tract, distinct from those presented in specialist literature. The research was conducted on...
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