Zobrazeno 1 - 10
of 6 933
pro vyhledávání: '"FEED EFFICIENCY"'
Autor:
H.O. Toledo-Alvarado, R.J. Tempelman, M. Lopez-Cruz, M.J. VandeHaar, J.E.P. Santos, F. Peñagaricano, P. Khanal, G. de los Campos
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 12, Pp 11164-11179 (2024)
ABSTRACT: Improving production efficiency and minimizing the environmental impact of dairy farming are 2 important goals of the dairy industry. Achieving these objectives requires improving the feed-to-milk conversion efficiency. One way to achieve t
Externí odkaz:
https://doaj.org/article/c5116998009447d4bf2817d27026ffd2
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 12, Pp 11239-11253 (2024)
ABSTRACT: In French dairy sheep, Fourier transform infrared (FTIR) milk spectral data routinely predict the major milk components used in national genetic evaluations. The direct influence of genetic and environmental factors on milk FTIR spectra has
Externí odkaz:
https://doaj.org/article/b30565b8f4aa4a7e9ae2310e488cd81b
Autor:
Tauqeer Ahsan, Muhammad Tahir, Shabana Naz, Rifat Ullah Khan, Ibrahim A. Alhidary, Samia H. Abdelrahman, Maria Selvaggi
Publikováno v:
Italian Journal of Animal Science, Vol 23, Iss 1, Pp 1336-1347 (2024)
The objective of this study is to investigate the effects of increasing levels of soybean hulls in broiler chicken diets on growth performance, carcase composition, organ weights, nutrient digestibility, amino acid digestibility, and intestinal histo
Externí odkaz:
https://doaj.org/article/79ad6e1be3eb4d5aa26bcf8f93ae7230
Autor:
Giulia Zardinoni, Angela Trocino, Marco Birolo, Francesco Bordignon, Piergiorgio Stevanato, Fabrizio Pirrone, Andrea Zuffellato, Gerolamo Xiccato
Publikováno v:
Italian Journal of Animal Science, Vol 23, Iss 1, Pp 1018-1030 (2024)
A total of 576 rabbits were housed in 18 open-top elevated pens (32 rabbits per pen) during the fattening period (54–71 d of age) and fed a standard diet or a diet enriched in purified wood lignocellulose and fat formulated to guarantee rabbit opti
Externí odkaz:
https://doaj.org/article/2876e6abfdb841c0b3b2bc02b7effd27
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 7744-7755 (2024)
ABSTRACT: The study investigated the effects of dietary protein level and the inclusion of hydroponic barley sprouts (HB) on lactation performance, blood biochemistry and N use efficiency in mid-lactation dairy cows. Treatments were arranged in a 2
Externí odkaz:
https://doaj.org/article/842c343d5f28476da69c464e8b148b57
Autor:
M. Nehme Marinho, M.C. Perdomo, B. Souza Simões, A. Husnain, U. Arshad, C.C. Figueiredo, J.E.P. Santos
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 7918-7931 (2024)
ABSTRACT: The objectives of this study were to determine the effects of 2 dietary microbial additives on productive performance and feed efficiency when supplemented to diets of Holstein cows. One hundred seventeen Holstein cows were enrolled at 61 d
Externí odkaz:
https://doaj.org/article/93d0b90563ca4e63a776c95e437eeb58
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 7973-7982 (2024)
ABSTRACT: Milk production and overall dairy farm economics depend on rearing dairy heifers. This study investigated the presence of a genotype by environment interaction in Holstein (HOL), Nordic Red dairy cattle (RDC), and their F1 crossbreeds (HOL
Externí odkaz:
https://doaj.org/article/be6be254166d4603a102c07fd81df615
Publikováno v:
Progress in Fishery Sciences, Vol 45, Iss 5, Pp 174-182 (2024)
Pacific white shrimp Penaeus vannamei, as one of the most productive and economically valuable shrimp species in the world, have many favorable characteristics, such as a short growth cycle, strong adaptability and disease resistance, and a low nutri
Externí odkaz:
https://doaj.org/article/13e581323d454e4893c0064e4cd6a931
Autor:
Kate Keogh, David A. Kenny, Pamela A. Alexandre, Sinead M. Waters, Emily McGovern, Mark McGee, Antonio Reverter
Publikováno v:
Animal Microbiome, Vol 6, Iss 1, Pp 1-16 (2024)
Abstract Background Feed costs account for a high proportion of the variable cost of beef production, ultimately impacting overall profitability. Thus, improving feed efficiency of beef cattle, by way of determining the underlying genomic control and
Externí odkaz:
https://doaj.org/article/dd17ef8586174e589701264b34641bc2
Autor:
Wenxin Zhang, Fangren Lan, Qianqian Zhou, Shuang Gu, Xiaochang Li, Chaoliang Wen, Ning Yang, Congjiao Sun
Publikováno v:
Journal of Animal Science and Biotechnology, Vol 15, Iss 1, Pp 1-20 (2024)
Abstract Background Feed efficiency is a crucial economic trait in poultry industry. Both host genetics and gut microbiota influence feed efficiency. However, the associations between gut microbiota and host genetics, as well as their combined contri
Externí odkaz:
https://doaj.org/article/8db68ec16ea84a1b8d826e8ceb9e6671