Zobrazeno 1 - 10
of 838
pro vyhledávání: '"genetic trend"'
Autor:
Larissa C. Novo, Kristen L. Parker Gaddis, Xiao-Lin Wu, T.M. McWhorter, Javier Burchard, H. Duane Norman, João Dürr, Robert Fourdraine, Francisco Peñagaricano
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 7, Pp 4804-4821 (2024)
ABSTRACT: Johne's disease (JD) is an infectious enteric disease in ruminants, causing substantial economic loss annually worldwide. This work aimed to estimate JD's genetic parameters and the phenotypic and genetic trends by incorporating recent data
Externí odkaz:
https://doaj.org/article/aa2bee96de284c1ea238615ddce5e412
Autor:
Ronica Mukaro, Davison Chaingeni, Clay Sneller, Jill E. Cairns, Lennin Musundire, Boddupalli M. Prasanna, Busiso Olga Mavankeni, Biswanath Das, Mable Mulanya, Walter Chivasa, Xavier Mhike, Thokozile Ndhlela, Nakai Matongera, Prince Muchapondwa Matova, Dean Muungani, Charles Mutimaamba, Dagne Wegary, Mainassara Zaman-Allah, Cosmos Magorokosho, Victor Chingwara, Dumisani Kutywayo
Publikováno v:
Frontiers in Plant Science, Vol 15 (2024)
Monitoring genetic gains within breeding programs is a critical component for continuous improvement. While several national breeding programs in Africa have assessed genetic gain using era studies, this study is the first to use two decades of histo
Externí odkaz:
https://doaj.org/article/be7bcaaccd9d483b8f6fc80857b7e03b
Publikováno v:
Indian Journal of Animal Sciences, Vol 94, Iss 5 (2024)
The current study focussed on the growth traits pertaining to Harnali sheep maintained at Sheep Farm, LUVAS, Hisar and data were recorded from pedigree sheets of 1278 animals. Growth traits considered were birth weight (BW), weaning weight (WW), six-
Externí odkaz:
https://doaj.org/article/0ab8bb9f1f2f4848aca406a4199cd358
Publikováno v:
Animal, Vol 18, Iss 5, Pp 101137- (2024)
The P of achieving pregnancy is an important trait of bull fertility in beef cattle and is defined as the bull conception rate (BCR). This study aimed to clarify and better understand the genetic architecture of the BCR calculated using artificial in
Externí odkaz:
https://doaj.org/article/d298ea9780274f0eadc6dd95b85b1a01
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 9, Pp 6275-6287 (2023)
ABSTRACT: The genetic trend of milk yield for 4 French dairy sheep breeds (Lacaune, Basco-Béarnaise, Manech Tête Noire, and Manech Tête Rousse) was partitioned in Mendelian sampling trends by categories of animals defined by sex and by selection p
Externí odkaz:
https://doaj.org/article/85022cf6a79143d694f2f338106662ea
Publikováno v:
Animals, Vol 14, Iss 17, p 2513 (2024)
Calving interval (CI) data (N = 37,263) from 17,319 cows born 2008–2018 in six herds were assessed. The data were made available by the National Association of Hungarian Holstein Friesian Breeders in Hungary. The effects of some genetic and environ
Externí odkaz:
https://doaj.org/article/d734370d2b4548f186352cae322a1cd4
Publikováno v:
Biotechnology in Animal Husbandry, Vol 39, Iss 2, Pp 141-153 (2023)
This study aims to evaluate the genetics of imported semen and assess the genetic trend of production traits in Holstein cows during their first lactation in Iran. The data was collected from 28 different herds in Isfahan province between 2011 and 20
Externí odkaz:
https://doaj.org/article/141e5604c3c3411e90e797c59d5aeba0
Publikováno v:
Biotechnology in Animal Husbandry, Vol 39, Iss 1, Pp 15-32 (2023)
For evaluation of growth traits' genetic progress, pedigree information of 39408 Moghani sheep, between 1986 to 2016, at the breeding station of Moghani sheep was used. Studied traits included birth weight, weaning weight, six months weight, nine mon
Externí odkaz:
https://doaj.org/article/b1e27a55639a4e20bb1579294ceb93ed
Autor:
P. Silalahi, Y. C. Chen
Publikováno v:
Tropical Animal Science Journal, Vol 46, Iss 3 (2023)
Selection for reproductive components in various pig populations in the world has been successfully performed. This study aimed to estimate the genetic parameters and genetic trends of reproductive traits of Taiwan Duroc, Landrace, and Yorkshire pigs
Externí odkaz:
https://doaj.org/article/97244bde3b1c4d48807a8c182db75665
Autor:
Isabella Silva de Carvalho, Sirlene Fernandes Lázaro, Gabriela Stefani, Alessandra Alves Silva, Karina Rosa da Silveira, Daiane Cristina Becker Scalez, Humberto Tonhati
Publikováno v:
Revista Brasileira de Zootecnia, Vol 52 (2023)
ABSTRACT The objectives of this work were to estimate the genetic parameters for the traits longevity (LG) and accumulated milk yield at 305 days (MY305) using a bitrait animal model and the single-step GBLUP method and estimate the genetic gain for
Externí odkaz:
https://doaj.org/article/81bbdda990b645948407b5c399166fbb