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Comparative study of lactation curves and milk quality in Holstein versus Swedish Red and White-Holstein Cross Cows
(Canadian Center of Science and Education, 2018-11)
The objective of this study reported in this research paper was to compare the lactation curves of the production of milk, fat, protein, percentages of fat and protein, and somatic cell score in purebred Holstein (H) cows ...
Valoración de rasgos morfométricos y productivos de vacas holstein mestizo y puras en el cantón Chambo
(Escuela Superior Politécnica de Chimborazo, 2016-01-29)
At the farms “Guallabamba” and “Moraspamba” located in Parroquia Guallabamba, Chambo Country, Chimborazo Province, assessed morphometric and production traits of crossbred Holstein cows and pure-bred cows by using 70 ...
Reproductive performance and reconception of nellore cows according to their pure- or cross-bred calves
(Wiley-Blackwell, 2015-06-01)
Contents The objective of the present research was to evaluate the effect of a calf's genetic group on the productive and reproductive efficiency of its Nellore dam. Fixed-time artificial insemination was applied to ...
Phenotypic evaluation of trait types in Guzerá cows of different calving orders
(2017-01-01)
The objective of this study was to evaluate the effect of parity on linear trait types in Guzerá cows using multivariate techniques. Data were collected from 68 purebred Guzera females, young (1st and 2nd calving order) ...
Voluntary intake of dry matter and performance of Nellore cows and their Nellore and crossbred Simental × Nellore calves
(Sociedade Brasileira de Zootecnia, 2011-11-01)
This study aimed to investigate the influence of calf genetic group on the performance of Nellore lactating cows. The variables studied included milk ingestion, pasture intake, calf weight gain and cow body weight. A total ...
Voluntary intake of dry matter and performance of Nellore cows and their Nellore and crossbred Simental x Nellore calves
(Revista Brasileira Zootecnia Brazilian Journal Animal Sci, 2011-11-01)
This study aimed to investigate the influence of calf genetic group on the performance of Nellore lactating cows. The variables studied included milk ingestion, pasture intake, calf weight gain and cow body weight. A total ...