Отдел "Фундаментални изследвания в животновъдството"

Публикации с автор и съавтор проф. д-р Иван Янчев

  1. Moneva, P., Tsaneva, M., Metodiev, N., Yanchev, I. & Gudev, D. (2021). Hematologic responses to shearing stress in pregnant Ile de France ewes with low and high basal hematocrit levels. Bulg. J. Agric. Sci., 27 (4), 776–784
  2. Sertova, N., Ignatova, M. (2021). Determination of Mycotoxins in Feed Materials. Journal of Mountain Agriculture on the Balkans, 24, 298–311.
  3. Moneva, P., Tsaneva, M., Yanchev, I., Metodiev, N. & Gudev, D. (2021). Dynamics of leukocytes and cytokines after shearing in pregnant ewes with low and high hematocrit levels. Bulg. J. Agric. Sci., 27 (6), 1203–1211
  4. Moneva, P., I. Yanchev, N. Metodiev (2023). Dynamics of leukocytes and cytokines after moderate altitude exposure in pregnant ewes with low and high hematocrit levels. Bulg. J. Agric. Sci., 29(4), 723–732
  5. Yanchev, I., Metodiev, N., Moneva, P. & Ignatova, M. (2023). Effect of altitude on some hematological parameters in two Bulgarian local sheep breeds depending also on their body condition score. Bulg. J. Agric. Sci., 29(4), 740–746
  6. Moneva, P., Yanchev, I. & Metodiev, N. (2023). Endocrine responses to moderate altitude hypoxia in pregnant Ile de France sheep with low or high basal hematocrit levels. Bulg. J. Agric. Sci., 29(6), 1128–1136
  7. Yanchev, I., Metodiev, N., Kanchev, K., Moneva, P., & Ignatova, M. (2023). Hematological Status of Karakachan Sheep Herds Reared at Different Altitudes in Summer, Depending on Their Body Condition Score and the Presence of Gastrointestinal Parasites. Journal of Mountain Agriculture on the Balkans, Vol. 26, Issue 1, pp. 32–54
  8. Yanchev, I.,Metodiev, N.,Kanchev, K., Moneva, P. & Ignatova, M. (2023). Differences in some hematological parameters in four herds of Bulgarian milk sheep breed influenced by certain environmental factors. Proceedings of Scientific Conference with International Participation „Animal Science - Challenges and Innovations”, 1 – 3 November 2023, Sofia, pp. 38-54
  9. Hristov, M., Ts. Markov, N. Markov, I. Yanchev, Ts. Dimitrova (2024). Study on quantitative indicators of rawhide in selected beef cows and combined cattle breeds. Scientific Papers. Series D. Animal Science. Vol. LXVII, No. 2 (2024), 235-238
  10. Yanchev, I., Metodiev, N., Kanchev, K., Moneva, P. & Ignatova, M. (2024). Dynamics of some biochemical parameters in two local sheep breeds depending on the season, altitude and the presence of parasites. Bulgarian Journal of Animal Husbandry, 61(2), 36-48
  11. Yanchev, I., Markov, N., Harizanova-Metodieva, Ts. & Ignatova, M. (2024). Influence of climatic changes on the hematological and biochemical status of a herd of Limousinе cows in the middle of two consecutive grazing seasons. Bulgarian Journal of Animal Husbandry, 61(5), 30-38
  12. Yanchev, I., Markov, N., Kanchev, K., Harizanova-Metodieva, T., & Ignatova, M. (2024). Hematological, Biochemical and Parasitological Profile of Three Beef Cattle Breed Herds in RIMSA-Troyan. In Journal of Mountain Agriculture on the Balkans (Vol. 27, Issue 3, pp. 76–91). Journal of Mountain Agriculture on the Balkans, Vol. 27, Issue 3, pp. 76–91
  13. Markov, N., Bozhanska, T. & Jantcev, I. (2024). Nutritional value of introduced bamboo used in feeding beef cows raised in the Central Balkan Mountains. Bulg. J. Agric. Sci., 30(3), 509–514
  14. Stoycheva, S., Bancheva, T., Iliev, M., Mondeshka, L., Georgieva, G., & Yanchev, I. (2024). Control of Metabolic Status and Body Mass Condition during Lactation in Dairy Goats. In Journal of Mountain Agriculture on the Balkans. Vol. 27, Issue 5, pp. 72–83
  15. Hristov, M., Markov, T., & Yanchev, I. (2024). Herd Behaviour of Galloway Cattle. In Journal of Mountain Agriculture on the Balkans. Vol. 27, Issue 6, pp. 77–92
  16. Markov, N., Yanchev, I., Ivanova, T., Markov, T., & Hristov, M. (2024). Impact of Rearing Method on Weight Development of Male Calves of the Wagyu Breed. In Journal of Mountain Agriculture on the Balkans. Vol. 27, Issue 5, pp. 49–57
  17. Yanchev, I. (2024). Influence of carbon dioxide emission from poultry on some trace elements content in greenhouse planted lettuce (Lactuca sativa). Bulgarian Journal of Animal Husbandry, 61(6), 35-43
  18. Moneva, P., Yanchev, I., Tsaneva, M., Velikov, K. & Gudev, D. (2025). Dynamics of hormone levels and immune activity in sheep during fasting, subsequent immobilization and the recovery period. Bulgarian Journal of Agricultural Science, 31(3), pp. 585–594
  19. Yanchev, I., Metodiev, N., Moneva, P. & Ignatova, M. (2025). Seasonal changes of some biochemical indicators in four sheep herds from Bulgarian Dairy Synthetic Population. Bulgarian Journal of Animal Husbandry, 62(1), 27-37
  20. Yanchev, I., Metodiev, N., Moneva, P., & Ignatova, M. (2025). Influence of the Season on the Variation of some Hematological Parameters in Four Herds of Sheep from the Bulgarian Dairy Synthetic Population. In Journal of Mountain Agriculture on the Balkans, Vol. 28, Issue 1, pp. 38–63
  21. Yanchev, I. (2025). Variability of some Hematological and Biochemical Parameters in a Karakachan Sheep Herd Depending on Season. In Journal of Mountain Agriculture on the Balkans, Vol. 28, Issue 2, pp. 1–17
  22. Markov, Ts., Yanchev, I., Markov, N. & Hristov, M. (2025). Agrovoltaic systems (AVS) - need, types, distribution and development trends. Overview. Bulgarian Journal of Animal Husbandry, 62(2), 43-50
  23. V. Koutev, De Neve, S., Yanchev, I., Kozelov, L., Carlier, L., D’Haene, K., and Hofman G. (2025). N and P farmgate balances in arable and mixed Bulgarian farms before EU accession. Bulgarian Journal of Soil Science, 10(2), pp. 115-135
  24. Янчев, И. (2025). Екологията на селскостопанските животни - минало, настояще и бъдеще. Животновъдство, 65/2025, 22-25
  25. Марков, Ц., И. Янчев (2025). Италианските месодайни породи - забравен източник на хетерозис в говедовъдството. Животновъдство, 65/2025, 11-14
  26. Янчев, И. (2025). Трансхумантното животновъдство във Франция. Животновъдство, 69/2026, 10-12
  27. Yanchev, I., Metodiev, N., Moneva, P., & Ignatova, M. (2025). Effect of altitude and season on NRBC number and PLT/MPV ratio in sheep from the Bulgarian Dairy Synthetic Population. Proceedings of Scientific Conference with International Participation „Animal Science - Challenges and Innovations”, 5 – 7 November 2025, Institute of Animal Science – Kostinbrod, Sofia, Bulgaria, 5 – 7 November 2025, pp. 139-144.
  28. Kanchev, K., I. Yanchev, N. Metodiev, M. Ignatova (2025). Endoparasis Status in Dairy Sheep Farms From Sofia and Pernik Regions. Proceedings of Scientific Conference with International Participation „Animal Science - Challenges and Innovations”, 5 – 7 November 2025, Institute of Animal Science – Kostinbrod, Sofia, Bulgaria, 5 – 7 November 2025, pp. 78-87.