Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Leslie B. Hansen"'
Publikováno v:
Frontiers in Genetics, Vol 14 (2023)
The objective of this study was to estimate genetic parameters of health treatment cost of Holstein cows from producer-recorded health treatments in 8 herds over an 8-yr period of time. Genetic parameters of health treatment cost were estimated in fi
Externí odkaz:
https://doaj.org/article/308b4b9228ea49edae9b3a4a41042220
Publikováno v:
Animals, Vol 13, Iss 13, p 2061 (2023)
Health treatments of Holstein cows (n = 2214) were recorded by the owners of eight high-performance dairy herds in Minnesota. Cows calved from March 2008 to October 2015, and 14 types of health treatments were uniformly defined across the herds. Spec
Externí odkaz:
https://doaj.org/article/553ebb7b41714cee80ccb80c4c3f8676
Publikováno v:
Animals; Volume 13; Issue 13; Pages: 2061
Health treatments of Holstein cows (n = 2214) were recorded by the owners of eight high-performance dairy herds in Minnesota. Cows calved from March 2008 to October 2015, and 14 types of health treatments were uniformly defined across the herds. Spec
Publikováno v:
Journal of Dairy Science. 104:3261-3277
The first 2 generations from a 3-breed rotation of the Viking Red (VR), Montbéliarde (MO), and Holstein (HO) breeds were compared with their HO herdmates in high-performance commercial herds in Minnesota. The designed study enrolled pure HO females
Publikováno v:
Journal of Dairy Science. 102:3661-3673
Rotational 3-breed crossbred cows of Montbeliarde, Viking Red, and Holstein (CB) were compared with Holstein (HO) cows for alternative measures of feed efficiency as well as income over feed cost (IOFC) and residual feed intake (RFI) during the first
Publikováno v:
Journal of dairy science. 103(11)
Three generations of crossbreds from a 3-breed rotation of the Viking Red (VR), Montbeliarde (MO), and Holstein (HO) breeds were compared with their HO herdmates in 7 commercial dairy herds in Minnesota. The designed study enrolled 3,550 HO females i
Publikováno v:
Journal of dairy science. 103(9)
Three generations of crossbred cows from a 3-breed rotation of the Viking Red (VR), Montbeliarde (MO), and Holstein (HO) breeds were compared with HO herdmates in 7 high-performance, commercial dairy herds in Minnesota. The designed study was initiat
Publikováno v:
Journal of Dairy Science. 100:9447-9458
Montbeliarde (MO) × Holstein (HO) and Viking Red (VR) × HO crossbred cows were compared with pure HO cows in 8 large, high-performance dairy herds in Minnesota. All cows calved for the first time from December 2010 to April 2014. Fertility and surv
Publikováno v:
Journal of dairy science. 102(1)
Rotational crossbred cows of the Montbeliarde, Viking Red, and Holstein (HO) breeds (CB) were compared with HO cows for dry matter intake (DMI), body weight (BW), cow height, body condition score (BCS), and production during the first 150 d of first,
Publikováno v:
Journal of Dairy Science. 97:2512-2525
Two-breed crossbreds of Montbéliarde and Holstein (MO × HO) as well as 3-breed crossbreds of Montbéliarde and Jersey/Holstein (MO × JH) were compared with pure Holstein (HO) cows for production, somatic cell score (SCS), fertility, survival to su