Results 11 to 20 of about 13,509 (244)

Aligning Incentives for Contract Dairy Heifer Growth [PDF]

open access: yesJournal of Agricultural and Resource Economics, 2010
As dairy farms grow and specialize in milking cows, raising replacement heifers is increasingly outsourced. Perhaps the largest challenge of outsourcing the heifer enterprise involves quality, measured as milk production potential, and the possibility ...
Nicole J. Olynk, Christopher A. Wolf
doaj   +2 more sources

Autosomal Trisomy in a Heifer [PDF]

open access: yesActa Veterinaria Scandinavica, 1987
A malformed Ayrshire heifer had one additional autosome in all the lymphocyte metaphases studied. Chromosome banding techniques showed the karyotype of the calf to be 2n = 61, XX, +24. Slight prognathia of the lower jaw and peculiar abbrevations in the structure of the genitals were the most apparent anomalies, in addition to heart abnormalities, a ...
A, Mäkinen, I, Alitalo, M, Alanko
openaire   +2 more sources

Cholecystectomy in a heifer

open access: yesJournal of Veterinary Medical Science, 2017
A 10-month-old female Japanese black heifer presenting with sudden loss of appetite was diagnosed with extreme extension of the gallbladder. Laparotomy reaching from the right part of the 10th rib to the right flank showed an extended gallbladder greater than 50 cm in diameter.
TSUKA, Takeshi   +9 more
openaire   +3 more sources

Postbreeding Heifer Management [PDF]

open access: yesVeterinary Clinics of North America: Food Animal Practice, 2013
Rebreeding performance of the first-calf heifer has major economic consequences for cow-calf producers. Management systems that allow heifers to cost-effectively achieve a body condition score of 5 to 6 at calving and maintain this through rebreeding have a higher probability of pregnancy success.
Sandy K, Johnson, Richard N, Funston
openaire   +2 more sources

Olfactory Neuroblastoma in a Heifer [PDF]

open access: yesVeterinary Pathology, 1981
A nasal neuroblastoma (esthesioneuroblastoma) extending into the brain in a heifer produced mouth breathing and proptosis. The mass filled much of the left nasal cavity, palatine sinus and maxillary sinus, with turbinate atrophy and deviation of the septum. Caudally the neoplasm extended into the nasopharynx and olfactory bulb.
B C, Anderson, D R, Cordy
openaire   +2 more sources

Effect of feeding single-dam or pooled colostrum on maternally derived immunity in dairy calves

open access: yesJournal of Dairy Science, 2022
: The role of colostrum management in providing adequate immunological protection to neonatal calves has been widely investigated, and thresholds for colostrum quality, as well as optimum volume and timing for colostrum feeding have been established ...
J. Barry   +5 more
doaj   +1 more source

VACCINATION FROM THE HEIFER. [PDF]

open access: yesThe Lancet, 1871
n ...
openaire   +1 more source

Influence of Heifer Post-Weaning Voluntary Feed Intake Classification on Lifetime Productivity in Black Angus Beef Females

open access: yesAnimals, 2022
This study evaluated heifer post-weaning voluntary feed intake (g/kg BW) classification on performance and reproductive measures, as well as impacts on lifetime productivity of 519 commercial Angus beef females. Heifer post-weaning voluntary feed intake (
Krista R. Wellnitz   +6 more
doaj   +1 more source

Congenital Absence of a Teat in a Japanese Black Heifer

open access: yesCase Reports in Veterinary Medicine, 2011
A case of Japanese Black heifer with a congenital absence of teat (athelia) was observed at Highashi-Hiroshima Agricultural High School, Hiroshima Prefecture, Japan. The heifer was born after transfer of embryo from Japanese Black cattle. The sire of the
Mohamed Elshabrawy Ghanem   +2 more
doaj   +1 more source

Intraperitoneal Insemination of the Heifer.

open access: yesExperimental Biology and Medicine, 1957
SummaryIntraperitoneal insemination of 4 heifers a total of 6 times resulted in one pregnancy. This experimental method is offered as a means of studying the physiological processes leading to fertilization.
L E, McDONALD, J, SAMPSON
openaire   +2 more sources

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