Zobrazeno 1 - 10
of 394
pro vyhledávání: '"Herd life"'
Publikováno v:
Dairy, Vol 5, Iss 1, Pp 189-200 (2024)
Dairy cow longevity is associated with three key areas: animal welfare, the economy, and the environment. In pastoral dairy systems, cows are exposed to environmental hardships and variations in feed supply associated with the seasonal growth of past
Externí odkaz:
https://doaj.org/article/42ba5d2fc1564eddabf9402d8703557a
Publikováno v:
Animals, Vol 14, Iss 20, p 3040 (2024)
A suboptimal intrauterine environment during gestation may result in the programming of long-lasting structural and physiological alterations in the developing fetus, leading to health and production complications in adulthood. This observational stu
Externí odkaz:
https://doaj.org/article/162781266bb642d9af5dcbbb5a7347bb
Autor:
Bernardo Vargas-Leitón, Juan José Romero-Zúñiga, Gloriana Castillo-Badilla, Alejandro Saborío-Montero
Publikováno v:
Dairy, Vol 4, Iss 4, Pp 581-593 (2023)
The age at first calving (AFC) is one of the most used indicators to evaluate the efficiency of rearing systems in dairy herds. The objective of the present study was to evaluate the association between AFC and different parameters of productive and
Externí odkaz:
https://doaj.org/article/a07862300fd14546ae963985e1c0963c
Akademický článek
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Publikováno v:
Indian Journal of Animal Sciences, Vol 93, Iss 1 (2023)
The present investigation was undertaken to access first lactation total milk yield, first lactation length, productive life, herd life and total life. Breeding information were used from the history sheet registers and herd inventory registers of Ha
Externí odkaz:
https://doaj.org/article/88acace23aef495e854b910346663531
Publikováno v:
Indian Journal of Animal Sciences, Vol 92, Iss 12 (2022)
In present study, lactation specific demographic analysis was carried out on 1728 records of Jersey crossbred cows maintained at Eastern Regional Station (ERS), ICAR-NDRI, Kalyani, West Bengal over a period of 40 years (1980-2019). The survival rate
Externí odkaz:
https://doaj.org/article/0094c6bf47a64847a782c8286d0045b1
Publikováno v:
Frontiers in Nutrition, Vol 9 (2022)
The beneficial effects of vitamin K (VK) on various chronic age-related syndromes have generally been considered dependent on its antioxidant effects. However, due to the distinct bioavailability and biological activities of VKs, exactly which of the
Externí odkaz:
https://doaj.org/article/83a651a7451441c09defba8c060b4a60
Publikováno v:
Porcine Health Management, Vol 6, Iss 1, Pp 1-10 (2020)
Abstract Background Our objectives were to characterize sow life and herd-life performance and examine two-way interactions between age at first-mating (AFM) and either herd size or herd productivity groups for the performance of sows. Data contained
Externí odkaz:
https://doaj.org/article/d93a39dc230a4bf29eff72560edbadde
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