Results 241 to 250 of about 11,907 (273)

Risk factors for postcalving intramammary infection with <i>Mycoplasma</i> species in first-lactation cows on a conventional dairy farm: A retrospective case control study. [PDF]

JDS Commun
Zapata-Salazar A, Wieland M, Leal Yepes FA.   +2 more
europepmc   +1 more source

Influence of age range of dairy Gir cows on the composition of colostrum and milk, and on calves' passive immunity transfer. [PDF]

Anim Reprod
Lopes JVM, Francischini MCP, Justo BM, Gomes V, Vannucchi CI.   +4 more
europepmc   +1 more source

Productive and Reproductive Record Keeping in Low-to-Middle-Income Tropical Livestock Systems: Challenges and Perspectives. [PDF]

Animals (Basel)
Romero-Zúñiga JJ, Galina CS, Geffroy M, Corro MD, Maquivar M.   +4 more
europepmc   +1 more source

Moose Space Use, Fidelity, and Selection of Calving Sites Within Forestry- and Fire-Disturbance Regimes of Northern Quebec, Canada. [PDF]

Animals (Basel)
Borgeaud LeBlanc M, Landry-Cuerrier M, Brodeur V, Humphries MM.   +3 more
europepmc   +1 more source

Variation in rate of body weight gain during pregnancy in beef heifers: association with early life health events and influence on progeny performance. [PDF]

Transl Anim Sci
Cushman RA, Hauxwell KM, Caton JS, Freetly HC.   +3 more
europepmc   +1 more source

Genome-Wide Association Study of Age at First Calving in U.S. Holstein Cows [PDF]

International Journal of Molecular Sciences, 2023
Dzianis Prakapenka, Zuoxiang Liang, Yang Da   +2 more
exaly   +2 more sources

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Impact of age at first calving on fertility and production performance in Murrah buffalo

Reproduction in Domestic Animals
AbstractThe present study analyses the effect of age at first calving (AFC) on future fertility and productivity in Murrah buffaloes. The data of 314 buffalo heifers of animal farm section, ICAR‐CIRB, Hisar were collected over a period of 9 years from 2010 to 2018. The buffalo heifers were categorized into six groups according to the AFC named as 30–35,
Rupali Rautela, Rahul Katiyar, Anurag Bharadwaj   +2 more
exaly   +3 more sources

Age at first calving and productive performance of primiparous Holsteins

Journal of Dairy Research, 2023
AbstractThis study investigated the age at first calving in Holstein heifers and its impact on various production parameters. A sample of 737 Holstein heifers born between 2015 and 2018 and finishing their first lactations between 2018 and 2020 was included.
Rafael Ceolim, Braganholo, Ferenc Istvan, Bánkuti, Fabio Seiji, Dos Santos, Victor Breno, Pedrosa, Maximiliane Alavarse, Zambom, Altair Antônio, Valloto, Geraldo Tadeu, Dos Santos   +6 more
openaire   +2 more sources

Evaluation of the effects of sire and dam calving group on age at first calving in Brahman heifers

Theriogenology, 2021
This study evaluated the possible effects of sire and dam calving groups on age at first calving in Brahman heifers. A total of 570 heifers born between the years 2004 and 2017 were exposed as yearlings to fertile bulls through time of pregnancy determination. A calving group was determined by calculating the mean (993 d) and standard deviation (187 d)
A.L. Earnhardt, D.A. Neuendorff, C.R. Long, T.H. Welsh, R.D. Randel   +4 more
openaire   +2 more sources