Zobrazeno 1 - 10
of 2 148
pro vyhledávání: '"Persistency"'
Autor:
Amauri Felipe Evangelista, Rafaela Martins, Altair Antônio Valotto, Laila Talarico Dias, Rodrigo de Almeida Teixeira
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 59 (2024)
Abstract The objective of this work was to evaluate the influence of environmental factors on the lactation curve parameters and milk yield of Holstein cows. Data on lactations conducted from 2010 to 2019 in the state of Paraná, Brazil, obtained fro
Externí odkaz:
https://doaj.org/article/94b542ec42294c5ea7aa81869ac89b68
Publikováno v:
Poultry Science, Vol 103, Iss 11, Pp 104124- (2024)
ABSTRACT: The effect of dietary energy and lysine levels on laying persistency and body composition in brown and white hens was studied. Dietary treatments with 2 Metabolizable Energy levels (ME lay; constant or reduction over time) and 2 apparent fe
Externí odkaz:
https://doaj.org/article/5488721238da47eeac3738b42bb8a8ef
Autor:
Metin Erdoğan, Samet Çinkaya, Bertram Brenig, Koray Çelikeloğlu, Mustafa Demirtaş, Suat Sarıibrahimoğlu, Mustafa Tekerli
Publikováno v:
Frontiers in Veterinary Science, Vol 11 (2024)
The study presents a comprehensive investigation into the genetic determinants of 100-day milk yield (100DMY), 305-day milk yield (305DMY), total milk yield (TMY), and persistency using first lactation records of 374 Holstein heifers reared in a priv
Externí odkaz:
https://doaj.org/article/4080aedcd33540b19e379358c9f35d46
Akademický článek
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Publikováno v:
Journal of Dairy Science, Vol 107, Iss 3, Pp 1500-1509 (2024)
ABSTRACT: This study aimed to assess the milk production data for New Zealand dairy goats in either a standard lactation (SL; ≤305 d in milk [DIM]) or extended lactation (EL; >305 and ≤670 DIM) using a random regression (RR) with third- and fifth
Externí odkaz:
https://doaj.org/article/f67a3d019522499ab59cfc40974863fb
Autor:
David J. Innes, Linaya J. Pot, Dave J. Seymour, James France, Jan Dijkstra, John Doelman, John P. Cant
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 1, Pp 329-345 (2024)
ABSTRACT: A 305-d lactation followed by a 60-d dry period has traditionally been considered economically optimal, yet dairy cows in modern intensive dairy systems are frequently dried off while still producing significant quantities of milk. Managing
Externí odkaz:
https://doaj.org/article/7d70f00ba1e7473b8f2f73e33b504424
Akademický článek
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Publikováno v:
Journal of Dairy Science, Vol 106, Iss 12, Pp 9855-9867 (2023)
ABSTRACT: This study aimed to characterize the effects of increased milking frequency (IMF) at early and mid-lactation on milk yield and its association with changes in cistern and alveolar capacity. Fourteen multiparous Holstein cows were subjected
Externí odkaz:
https://doaj.org/article/ac313036d5da40aaac3901e2f32ece09
Publikováno v:
Journal of Water and Climate Change, Vol 14, Iss 10, Pp 3855-3877 (2023)
This study evaluates the appropriateness of general circulation model-based future rainfall data used in Korea. The evaluation is done through the analysis of long-term occurrence characteristics of dry years, as well as the analysis of the water sup
Externí odkaz:
https://doaj.org/article/db44a43435fa4ffa9c6de8301912e61b
Autor:
VIDYAVATHI KAYARTHAKDKA, BIRĂU RAMONA, SAVITA SACHIN RAI, RAJESHWARI PUTTANNA, NINULESCU PETRE VALERIU
Publikováno v:
Analele Universităţii Constantin Brâncuşi din Târgu Jiu : Seria Economie, Iss 5, Pp 21-32 (2023)
In this research paper, we examined the influence of demographic and household factors on adecision to surrender a life insurance policy before the end of the policy term. As per thehandbook on Indian Insurance Statistics 2020-21, by the 5 th year
Externí odkaz:
https://doaj.org/article/3a5f75a8d03844218157e57341d29afd