Issue 2020/1 (47/1) - Roczniki Naukowe Zootechniki

Review

Epigenetic mechanisms and the possibilities of epigenetic modulation in the ontogenesis of mammals

Marcin Samiec Maria Skrzyszowska

3-28

The role of the National Research Institute of Animal Production in the development of cryopreservation technology of livestock biological material and its use in ex situ conservation

Monika Trzcińska Magdalena Bryła

29-36

The role of sheep colostrum bioactive substances in the organism’s development

Edyta Molik Sebastian Gogola

37-46

Animal genetics and breeding

Parameters of fattening performance, slaughter performance and meat quality as related to feed conversion efficiency

Mirosław Tyra Aurelia Mucha Robert Eckert

47-59

Possibilities for optimizing Landrace pig meatiness through selection and breeding work

Grzegorz Żak Aurelia Mucha

61-75

Polymorphism in the myostatin gene (MSTN) as related to growth and slaughter value of Ross 308 broilers

Urszula Kaczor Katarzyna Połtowicz Dominik Bzdziuła Joanna Nowak

77-86

The biology, physiology, reproduction, and health

Assessment of follicle-stimulating hormone (FSH)-, luteinizing hormone (LH)-, estrogen (α and β)- and progesterone (PR) receptors mRNA expression in the gonads and liver of chicken (Gallus domesticus) embryo

Agnieszka Grzegorzewska

87-97

The role of glutamic acid in the regulation of rabbit adrenal activity in the secretion of catecholamines – preliminary research

Izabela Szpręgiel Danuta Wrońska Sylwia Pałka Michał Kmiecik Bogdan F. Kania

99-110

Behaviour, well-being, production technology, and environment

Evaluation of dairy building climate conditions to meet cow welfare requirements

Krzysztof Górski Magda Jaroszuk Katarzyna Andraszek

111-121

Economics and the organization of animal production

The economic efficiency of the production of fattening pigs fed with domestic protein sources as a replacement for GM soybean meal

Marcin Sońta Anna Rekiel Justyna Więcek Martyna Batorska

123-135