Zobrazeno 1 - 10
of 304
pro vyhledávání: '"D PENKOV"'
Autor:
S. Chobanova, D. Penkov
Publikováno v:
Trakia Journal of Sciences, Vol 20, Iss 1, Pp 31-35 (2022)
Aim: To establish the zero nitrogen corrected apparent (AMEn-o) and the true (TMEn-o) metabolizable energy of two batches high – protein (dehulled, with 45 and 50% crude protein in DM) sunflower meal. Material and Methods: Standardized methods fo
Externí odkaz:
https://doaj.org/article/e80a64eb2311428f8d606abf77c09c26
Autor:
S. Chobanova, D. Penkov
Publikováno v:
Agricultural Science and Technology, Vol 13, Iss 4, Pp 378-381 (2021)
Abstract. Using adapted methods for balanced experiments with poultry, the true digestibility coefficients of the essential amino acids of two high protein sunflower meals – 40+® and 47® have been established. The true digestibility coefficients
Externí odkaz:
https://doaj.org/article/8d71a049fb5a4cf3a8bcde2ee24da1a4
Publikováno v:
Trakia Journal of Sciences, Vol 19, Iss 3, Pp 226-230 (2021)
AIM: establishing of the net transformation of the energy and the protein in the eco-technical chain “fodder-egg mélange” by replacement of the 10% of the grain component of the combined fodder for Guinea fowls – layers with bread wastes. MATE
Externí odkaz:
https://doaj.org/article/3a5234e162224b399ba5c4175bf73d70
Autor:
S. Grigorova, D. Penkov
Publikováno v:
Trakia Journal of Sciences, Vol 19, Iss 3, Pp 222-225 (2021)
Aim: Monitoring the effect of the replacement of 5 and 10% of the grain component in compound feed for laying hens with the same amount of extruded bread waste on Clarcs of energy distribution (CED)/ protein transformation (CPT)” in the eco-technic
Externí odkaz:
https://doaj.org/article/21f0d006fa7b4a5bac44367f7b1571db
Publikováno v:
Trakia Journal of Sciences, Vol 19, Iss 3, Pp 215-221 (2021)
The aim of the study was to calculate the “multiplication effect” between the included gross energy (crude protein) with the seeds and the same, obtained with the grain yields in the eco-technical system “seed material – soil – grain yield
Externí odkaz:
https://doaj.org/article/a32d641a9fe7467c88524adcbccabf06
Autor:
S. Chobanova, D. Penkov
Publikováno v:
Agricultural Science and Technology, Vol 13, Iss 3, Pp 255-259 (2021)
Abstract. The aim of the study is to compare the net utilization of energy and protein in the eco-technical chain „feed-meat“ when replacing part of the soybean meal with high-protein sunflower meal in broiler fattening. One control and 3 experim
Externí odkaz:
https://doaj.org/article/54874100d8634c1daf1b3e29fc2ec88c
Publikováno v:
Trakia Journal of Sciences, Vol 19, Iss 1, Pp 53-62 (2021)
The aim of the study was to investigate the effect of the partial replacement of wheat with bakery waste in compound feed on slaughter characteristics, quality and composition of meat in a heavy population of domestic quail. A control group (n = 90),
Externí odkaz:
https://doaj.org/article/2d53ecb8a19146e4a35cffbfe67bc0c2
Publikováno v:
Trakia Journal of Sciences, Vol 18, Iss 4, Pp 328-333 (2020)
Aim: To establish the effect of the new for Bulgaria probiotic ProMixAn Forte® in discontinued treatment of mule ducks for the first 28 days, when reared up to 72 days of age. Material and Methods: A research study was carried out with two groups of
Externí odkaz:
https://doaj.org/article/a3c5ea52d6a54ce59e4c7adb7c087d7d
Publikováno v:
Trakia Journal of Sciences, Vol 18, Iss 4, Pp 334-338 (2020)
AIM: To introduce the indicators Clarc of energy distribution (CED) and Clarc of protein/amino acid transformation (CPT) and adapt the methodology for their calculation in aquaculture. MATERIAL AND METHODS: A 50-day experiment was carried out with ju
Externí odkaz:
https://doaj.org/article/fe236340dfee44d4b72b7a881ef129d4
Publikováno v:
Trakia Journal of Sciences, Vol 18, Iss Suppl. 1, Pp 11-18 (2020)
PURPOSE: To compare some major hematological and biochemical blood parameters of 3 newly introduced poultry breeds – Australorp, Marans and Araucana, during different stages of their egglaying period. METHODS: Five blood parameters were investigat
Externí odkaz:
https://doaj.org/article/72a8104fefb1454a8c734a51c7481a9f