Zobrazeno 1 - 10
of 428
pro vyhledávání: '"lactation length"'
Autor:
T.P. Melo, A.K. Zwirtes, A.A. Silva, S.F. Lázaro, H.R. Oliveira, K.R. Silveira, J.C.G. Santos, W.B.F. Andrade, S. Kluska, L.A. Evangelho, H.N. Oliveira, H. Tonhati
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 8130-8140 (2024)
ABSTRACT: Missing pedigrees may produce bias in genomic evaluations. Thus, strategies to deal with this problem have been proposed as using unknown parent groups (UPG) or truncated pedigrees. The aim of this study was to investigate the impact of mod
Externí odkaz:
https://doaj.org/article/e0945e36012b4a49ba95b2392df65abc
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 4, Pp 2510-2518 (2023)
ABSTRACT: Extending the voluntary waiting period (VWP) for primiparous cows can have a positive impact on fertility without a negative impact on milk production per day in the calving interval (CInt). We investigated the effect of extended VWP during
Externí odkaz:
https://doaj.org/article/f683d4ffd61f46fd838a920c3c94826c
Publikováno v:
The Iraqi Journal of Agricultural science, Vol 54, Iss 6 (2023)
This study was conducted on 67 local doe goat, aged from 2-5 years old. The overall mean of TMY, DMY and lactation length of 1st and 2nd flocks were (130.541 ± 7.403 kg, 0.716 ± 0.033kg, and 182.432 ± 4.112 day) and (164.043 ± 8.788 kg, 0.832 ±
Externí odkaz:
https://doaj.org/article/c2a5af01dc824a98ada4a3cfb5616cb7
Publikováno v:
Mljekarstvo, Vol 73, Iss 3, Pp 155-163 (2023)
This study aimed at determining the association between reproductive indexes and the total milk yield in non-planed lactations ≥600 days in sub-fertile Holstein cows treated or not with recombinant bovine somatotropin (rbST) and experienced prolong
Externí odkaz:
https://doaj.org/article/4116bbdce5f4460ba2affabd75624a37
Akademický článek
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Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 41, Iss 2, Pp 354-354 (2023)
The aim of this paper was to establish the way parity had an influence on the milk production and lactation length in Romanian Black and White cows from the Didactical Farm Timişoara. The influence of the parity on the milk production and lactation
Externí odkaz:
https://doaj.org/article/c230b0f60858445998d1ad0e982de706
Publikováno v:
Indian Journal of Animal Sciences, Vol 93, Iss 1 (2023)
The study aimed to identify polymorphism of LEP, and STAT5A milk-producing genes and their association with production traits in Rathi cattle. An overall 160 animals were selected from a population of Rathi cattle from Livestock Research Station, Raj
Externí odkaz:
https://doaj.org/article/c1ce255217404f1d9bd5445ed57788ff
Publikováno v:
Indian Journal of Animal Sciences, Vol 93, Iss 1 (2023)
Binjharpuri, a dual purpose indigenous breed of Odisha is commonly reared for its various advantages, viz. optimum milk production in low input management system, excellent draft ability in hot humid climate condition and heat resistance ability. In
Externí odkaz:
https://doaj.org/article/cca66cb6460b46a5b48da3464d4a2c19
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:
Animal, Vol 13, Iss 1, Pp 1-7 (2019)
Definition and establishment of a fixed reference lactation length could provide useful tools for on-farm comparison of ewes and flock management as well as genetic evaluations for the breeding programme. The objectives of this study were to (i) eval
Externí odkaz:
https://doaj.org/article/ea0e6fea15d14c58b7d94f42190118a8