Zobrazeno 1 - 10
of 487
pro vyhledávání: '"shell quality"'
Autor:
Felipe Lino Kroetz Neto, Bianca Barreto Barbosa, Gabriel Augusto Novaes, Marcel Henrique Blank, Alba Kyonara Alves Tenório Fireman, Álvaro Burin Junior, Ricardo José Garcia Pereira
Publikováno v:
Poultry Science, Vol 103, Iss 5, Pp 103528- (2024)
ABSTRACT: Eggshell quality is among the most important factors affecting hatchability in broiler breeders, and therefore several methods for its assessment are available in the poultry industry. Among them, eggshell translucency has received special
Externí odkaz:
https://doaj.org/article/30a665334a9d4f90babfde2de48d4011
Publikováno v:
پژوهشهای علوم دامی ایران, Vol 15, Iss 2, Pp 271-283 (2023)
Introduction: Vitamin D3 is one of the important vitamins in calcium metabolism, which increases the active transport of calcium and phosphorus in the intestinal epithelium. However, the mechanism by which vitamin D3 increases the absorption of calci
Externí odkaz:
https://doaj.org/article/010f6ad05cd144a9a54d968419558e8d
Akademický článek
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Autor:
Petričević Veselin, Škrbić Zdenka, Lukić Miloš, Rakonjac Simeon, Dosković Vladimir, Petričević Maja, Tolimir Nataša
Publikováno v:
Biotechnology in Animal Husbandry, Vol 39, Iss 2, Pp 131-140 (2023)
The aim of this research was to examine the influence of the year (production cycle) and laying age on the quality of eggs for consumption. Examination of certain properties of egg and shell quality was carried out over a period of three years contin
Externí odkaz:
https://doaj.org/article/620a0e011d444edda6f03ba48184d193
Publikováno v:
Journal of Applied Animal Research, Vol 50, Iss 1, Pp 598-602 (2022)
The aim of this study was to analyse the performance and the quality of the eggs produced by hens housed in three group sizes (20, 26 and 60 individuals). Twenty-two lots of high-production Hy-Line hens in the Murcia region (Spain) were included in t
Externí odkaz:
https://doaj.org/article/7513563677534961877d960c07dde4b6
Publikováno v:
پژوهشهای علوم دامی ایران, Vol 14, Iss 3, Pp 399-412 (2022)
Introduction: Humate material was used as feed additives in poultry nutrition. The biochar as a useful fertilizer in agriculture industry is a humate material that increases growth of plants. This fertilizer can as an additive be use in the poultry a
Externí odkaz:
https://doaj.org/article/f6c9b376e052486993cfa0b40d5146ec
Publikováno v:
Poultry Science, Vol 102, Iss 4, Pp 102491- (2023)
ABSTRACT: The influence of the Ca and nutrient content of the diet fed from 16 to 19 wk of age, on egg production, egg quality, and tibiae mineralization, was studied in brown egg-laying hens from 16 to 63 wk of age. The experimental design was compl
Externí odkaz:
https://doaj.org/article/c990b4d6d98f4d7181a574fc6bcea2fd
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 47, Iss 2, Pp 166-166 (2023)
The aim of work was to follow up and statistically evaluate the selected quality indicators of egg shell according to two different breeding systems and different age of laying hens. An object of investigation were shell weight, share of the shell, s
Externí odkaz:
https://doaj.org/article/34b42b2d11c341dd8a0a2c94b4402c82
Autor:
K.M. Sweeney, C.D. Aranibar, W.K. Kim, S.M. Williams, L.P. Avila, J.D. Starkey, C.W. Starkey, J.L. Wilson
Publikováno v:
Poultry Science, Vol 101, Iss 8, Pp 101959- (2022)
ABSTRACT: Genetic selection for increased growth rate in broilers makes feed restriction programs such as skip-a-day (SAD) feeding, for broiler breeders essential to managing body weight, flock uniformity, and reproductive performance. The objective
Externí odkaz:
https://doaj.org/article/e4a0f2febb584a3cb15a7f6098e84ec1
Autor:
Caroline Espejo Stanquevis, Antônio Cláudio Furlan, Simara Márcia Marcato, Taciana Maria de Oliveira-Bruxel, Taynara Prestes Perine, Eline Maria Finco, Erica Travaini Grecco, Mariani Ireni Benites, Vittor Tuzzi Zancanela
Publikováno v:
Poultry Science, Vol 100, Iss 1, Pp 147-158 (2021)
An experiment was conducted to estimate the nutritional requirements of calcium (Ca) and available phosphorus (aP) for Japanese quails (Coturnix coturnix japonica) in the egg-laying stage (64–168 D). The experiment was an entirely randomized design
Externí odkaz:
https://doaj.org/article/5977ace976124aac8c22558a8e85c8d8