Results 21 to 30 of about 46,654 (375)
Journal of Dairy Science, 2021 In dairy cattle breeding, there is a clear trend toward the use of only a few high-yielding breeds. One main reason is that efficient breeding programs require a certain population size.
J. Stock +3 more
semanticscholar +1 more source
Genomic analyses provide insights into breed-of-origin effects from purebreds on three-way crossbred pigs [PDF]
PeerJ, 2019 Crossbreeding is widely used aimed at improving crossbred performance for poultry and livestock. Alleles that are specific to different purebreds will yield a large number of heterozygous single-nucleotide polymorphisms (SNPs) in crossbred individuals ...
Yu Lin +11 more
doaj +2 more sources
Economic opportunities of using crossbreeding and sexing in Holstein dairy herds.
Journal of Dairy Science, 2020 With the increasing availability of sexed semen, farms have the opportunity to select genetically superior dams to produce their replacement animals and to produce crossbred calves for beef production of higher economic value than the remainder of the ...
Christoph Pahmeyer, W. Britz
semanticscholar +1 more source
Smallholder experiences with dairy cattle crossbreeding in the tropics: from introduction to impact
Animal, 2015 Crossbreeding of indigenous tropical and improved western dairy cattle breeds as tool to improve dairy cattle performance on smallholder farms has been widely advocated, criticised and yet applied. The government of Ethiopia supported this technology for
R. Roschinsky +4 more
doaj +1 more source
Comparative study of lactation curves and milk quality in Holstein versus Swedish Red and White-Holstein Cross Cows [PDF]
, 2018 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 and Swedish Red and White (SRW) -
Lembeye, Felipe +4 more
core +1 more source
Journal of Dairy Science, 2020 Using sexed semen to produce purebred replacement heifers makes it possible to mate a large proportion of dairy cows to double-muscled sires and to quantitatively and qualitatively improve beef production and increase the income from dairy herds.
G. Bittante +4 more
semanticscholar +1 more source
Biological compatibility between two temperate lineages of brown dog ticks, Rhipicephalus sanguineus (sensu lato) [PDF]
, 2018 Background: The brown dog tick Rhipicephalus sanguineus (sensu stricto) is reputed to be the most widespread tick of domestic dogs worldwide and has also been implicated in the transmission of many pathogens to dogs and humans.
Capelli, Gioia +8 more
core +2 more sources
, 2021 Farmers play a key role in conserving native livestock breeds, but without economic support, farms with native breeds may not be viable. We hypothesized that terminal crossbreeding can improve herd economy and decrease the economic support needed from ...
J. Clasen +6 more
semanticscholar +1 more source
Nutritional, behavioral and performance parameters of F1 Holstein x Zebu cows at different lactation stages [PDF]
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2020 The objective of this study was to evaluate the different lactation stages of F1 Holstein x Zebu cows on intake and digestibility of nutrients, nitrogen use efficiency, feeding behavior and performance.
P.F. Santana +11 more
doaj +1 more source
Carcass characteristics of cattle differing in Jersey proportion [PDF]
, 2018 peer-reviewedComparison of alternative dairy (cross-)breeding programs requires full appraisals of all revenues and costs, including beef merit. Few studies exist on carcass characteristics of crossbred dairy progeny originating from dairy herds as well ...
Berry, Donagh +4 more
core +1 more source