Zobrazeno 1 - 10
of 81
pro vyhledávání: '"305-Day Milk Yield"'
Autor:
Yu Wang, Yan Wang, Qingjie Peng, Zhijie Xiang, Yingyu Chen, Guiqiang Wang, Xijuan Wu, Aizhen Guo, Ian D. Robertson
Publikováno v:
Animal Diseases, Vol 2, Iss 1, Pp 1-12 (2022)
Abstract Brucellosis is an important zoonosis that results in substantial economic losses to the livestock industry through abortions and reduced milk yield. This study investigated an abortion outbreak in a dairy herd and then explored the effects o
Externí odkaz:
https://doaj.org/article/9523ad8122e44bc897f9eff78cc1376d
Autor:
Serdar Genç
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 74, Iss 5, Pp 885-891 (2022)
ABSTRACT Milk yield and fertility traits in dairy cattle and their relationship with the influencing factors were investigated using multidimensional scaling analysis (MDS) in this study. The study focused on the relationship between lactation length
Externí odkaz:
https://doaj.org/article/e7552ac929254943b63083eae94129f4
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 73, Iss 4, Pp 949-954 (2021)
ABSTRACT The purpose of this study was to model the factors affecting the 305-day milk yield of dairy cows by using Automatic Linear Modeling Technique (ALM). The data set of this study consisted of eight different cow breeds grown in eight province
Externí odkaz:
https://doaj.org/article/76df71c56c26423fb13a9f5609dac0c7
Autor:
Serdar Genç, Mehmet Mendes
Publikováno v:
Turkish Journal of Agriculture: Food Science and Technology, Vol 9, Iss 6, Pp 1154-1158 (2021)
The purpose of this study was to determine the factors affecting the 305-day milk yield of dairy cattle by using Regression Tree Analysis (RTA). The data set of this study consisted of 8 different cattle breeds grown in Turkey. Breed (B), Province (P
Externí odkaz:
https://doaj.org/article/cbc2a728d7704097ac894ffd9b76ab91
Autor:
Amali Malshani Samaraweera, Vinzent Boerner, Hewa Waduge Cyril, Julius van der Werf, Susanne Hermesch
Publikováno v:
Asian-Australasian Journal of Animal Sciences, Vol 33, Iss 11, Pp 1741-1754 (2020)
Objective This study was conducted to estimate genetic parameters for milk yield traits using daily milk yield records from parlour data generated in an intensively managed commercial dairy farm with Jersey and Jersey-Friesian cows in Sri Lanka. Meth
Externí odkaz:
https://doaj.org/article/8c5cc94b60084f1fa1598cd51cfb7699
Publikováno v:
Journal of Agricultural Sciences, Vol 26, Iss 2, Pp 173-180 (2020)
The variables affecting the milk productivity have been discussed in various articles through different methods. A recent study using path analysis shows that three variables significantly affect the 305-day milk yield of Holstein Friesian cows. Thes
Externí odkaz:
https://doaj.org/article/682f9753b5db4a8893968001c66b7765
Autor:
Omar R Mardenli
Publikováno v:
Revista Colombiana de Ciencia Animal Recia, Vol 13, Iss 1 (2021)
In this study, the contemporary comparison method (CC) of half-sibs relation was used to estimate the breeding values of Holstein-Friesian sires for 305 -day milk yield (305-DMY) and basic components of milk traits, 409 records of cows that are daugh
Externí odkaz:
https://doaj.org/article/7b366d11aef64875b037e4da4e7e23dd
Akademický článek
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Publikováno v:
Asian-Australasian Journal of Animal Sciences, Vol 29, Iss 6, Pp 759-767 (2016)
The aim of this study was to compare two random regression models (RRM) fitted by fourth (RRM4) and fifth-order Legendre polynomials (RRM5) with a lactation model (LM) for evaluating Holstein cattle in Brazil. Two datasets with the same animals were
Externí odkaz:
https://doaj.org/article/cd34692fd290472b844a35b5f0852ef3
Publikováno v:
Volume: 39, Issue: 3 191-198
Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi
Journal of Agricultural Faculty of Gaziosmanpaşa University (JAFAG)
Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi
Journal of Agricultural Faculty of Gaziosmanpaşa University (JAFAG)
Path Analizi, süt sığırcılığı başta olmak üzere hayvancılık alanında yaygın kullanılan yöntemler arasındadır. Modelde bulunan bağımlı ve bağımsız değişkenlerin birbirleri üzerinde doğrudan ve dolaylı etkilerinin hesaplanm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=tubitakulakb::8f90d18c2e7878cf0e53f58bb17a93c4
https://dergipark.org.tr/tr/pub/gopzfd/issue/75061/1195147
https://dergipark.org.tr/tr/pub/gopzfd/issue/75061/1195147
