Results 11 to 20 of about 40,862 (248)
Autosomal Trisomy in a Heifer [PDF]
Acta 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
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Journal 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
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Postbreeding Heifer Management [PDF]
Veterinary 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
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Risk factors of S. aureus intramammary infection in pre partum dairy heifers under grazing conditions and molecular characterization of isolates from heifers and cows [PDF]
, 2020 The aims of the research reported here were to identify potential risk factors associated with the presence of Staphylococcus aureus intramammary infection (IMI) in pre partum dairy heifers on 17 dairy farms from three provinces of Argentina and to ...
Camussone, Cecilia +8 more
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Olfactory Neuroblastoma in a Heifer [PDF]
Veterinary 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
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, 2023 Application Increasing the digestible undegradable protein (DUP) and amino acid (AA) concentration of post-pubertal dairy heifer diets by 12% provides an opportunity to increase the growth, stature, and feed efficiency of post-pubertal dairy heifers ...
C. Bartram +6 more
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Performance and parasitosis in heifers grazing mixed with sows [PDF]
, 2000 The aim of the study was to investigate the effect of mixed grazing with first season heifers and pregnant sows on animal performance, gastro-intestinal helminths, pasture quality and sward structure during three grazing seasons.
Monrad, J. +3 more
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EFFECTS OF HEAT STRESS ON SEXUAL BEHAVIOR IN HEIFERS
Scientific Papers Animal Science and Biotechnologies, 2023 High ambient temperatures affect the secretion of sexual hormones in cows and heifers. As a result, the frequency of silent estrus can reach a high level during summer.
ELENA BOLOCAN
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Rearing conditions and lifetime milk revenues in Swedish dairy cows [PDF]
, 2011 Associations between replacement heifer rearing conditions and lifetime milk revenues were studied throughout the productive life of Swedish dairy cows.
Svensson, Catarina, +8 more
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