Retencja azotu i jego związków w embrionach kur różnych typów użytkowych
Ładowanie...
Data
1994
Autorzy
Tytuł czasopisma
ISSN czasopisma
Tytuł tomu
Wydawca
Akademia Rolnicza w Szczecinie
Abstrakt
A rescarch was done on eggs of Leghorn (Lg) and Cornish (Co) hans, which weighed approximately 59,0 g and included respctively 18,83 and 20, 11 g of dry matter. In spite of standardized of mass of both breeds, an amount of proteins was different Lg - 5,77 g (9,76% of cgg mass), Co - 6,41 g (10,87% of cgg mass). The hatches of both breeds were running correctly. Between 9th and 18th day of embryo growth there were statistically confirmed differences in embryo mass at P≤0,01. The embryos of layer breed were growing slower. After hatching amass of one day old chicken was nearly same and did not differ statistically. the Cornish chickens took during their embryonic growth 0,68 g of nitrogen and the Leghorn chickcns - 0,58 g. The differences were statistically important at P≤0,01. The biggest retcntion of nitrogen on 1 g of body mass was found between 18th and 2ist day of hatching. At the Cornish chickens it was higher of 5,37 mg. A higher amount of egzogenic amino acids was found in bodies of the Cornish chickens and thesc differcnces were statistically essential at P≤0,01 and P≤0,05.
Opis
Opracowanie rekordu w ramach umowy BIBL/SP/0060/2024/02 ze środków budżetu państwa, przyznanych przez Ministra Nauki w ramach Programu Społeczna odpowiedzialność nauki II.
Słowa kluczowe
hodowla drobiu, fizjologia drobiu, rozród drobiu, embriogeneza ptaków
Cytowanie
Tarasewicz, Z. (1994). Retencja azotu i jego związków w embrionach kur różnych typów użytkowych. Zeszyty Naukowe Akademii Rolniczej w Szczecinie; Nr 163. Zootechnika; nr 30, s. [137]-155. https://hdl.handle.net/20.500.12539/3863.