Results 11 to 20 of about 2,018,275 (336)
Mljekarstvo, 2017 The objective of this study was to evaluate main indicators of milk production on total 60 commercial dairy herds from the Czech Republic during a 9-yr period (2006-2014).
Lenka Krpálková
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REPRODUCTIVE EFFICIENCY OF JERSEY COWS UNDER SUBTROPICAL CONDITIONS OF THE PUNJAB [PDF]
Pakistan Veterinary Journal, 2004 Various parameters of reproductive efficiency of Jersey cows kept at the Livestock Experiment Station, Bhunikey (Pattoki), District Kasur, for the period from 1991 to 2000 were studied.
A. Sattar, R. H. Mirza and I. Ahmad
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Prolonged Calving Intervals in the Nili Ravi buffalo
Italian Journal of Animal Science, 2010 The optimal calving interval for dairy buffaloes is found to be 12 to 13 months. The losses due to prolonged calving interval are amounted to one USA dollar per extra day of optimal calving interval.
S. Nasir Hussain Shah
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Additive genetic, non-additive genetic and permanent environmental effects for female reproductive performance in seasonal calving dairy females [PDF]
Irish Journal of Agricultural and Food Research, 2016 Excellent reproductive performance (i.e. 365-day calving interval) is paramount to herd profit in seasonal-calving dairy systems. Reproductive targets are currently not being achieved in Irish dairy herds.
Kelleher M.M. +3 more
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Frontiers in Veterinary Science, 2019 Prolonged calving-to-conception interval (CCI) can increase economic loss in cattle. We investigated the effect of post-calving abnormal reproductive tract discharge (ARTD) on CCI in dairy cows and quantified the relationship of ARTD and associated risk ...
Madeleine J. Hay +3 more
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Revista de la Facultad de Ciencias AgrariasThe objective of this study was to evaluate milk production, age at first calving, and calving to conception interval in Holstein, Brown Swiss, and Holstein x Brown Swiss crossbred cows within a pasture-based dairy system in Argentina. The increasing
Victoria Cañete +4 more
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Extended calving interval and increased milking frequency [PDF]
, 2003 The general aim of the present work was to investigate the opportunities for a planned extended calving interval (CI) in dairy cattle, and how it would effect production and animal welfare. Furthermore, the effects of combining an extended calving interval with an increased milking frequency (MF) was evaluated.
Sara Österman
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Borgu Cow Fertility in Benin: Effect of Age at First Calving on Calving Intervals
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 2002 Data collected on the farm of Kokoubou’s monastery (department of Borgu in Benin) were used to study the age at first calving and calving intervals in Borgu cows. From 1967 to 1989, 91 ages at first calving and 524 calving intervals were used.
M. Adamou N'Diaye +3 more
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Journal of Dairy Science, 2021 Twinning costs the dairy industry an estimated $96 million each year. Twin pregnancy occurrence in high-producing dairy cows is primarily a result of multiple ovulations associated with low circulating concentrations of progesterone due to high milk ...
R. Schambow +3 more
semanticscholar +1 more source
Calving Interval Sapi Perah Laktasi Di Balai Besar Pembibitan Ternak Unggul Dan Hijauan Pakan Ternak (Bbptu-hpt) Baturraden Purwokerto Jawa Tengah [PDF]
, 2015 The aim of this research are to know calving interval and factor´s at lactation dairy cattle in BBPTU-HPT Baturraden Purwokerto Central Java. This research was conducted on April 29 th -- May 13 th 2014 to on 151 heads lactating dairy cattle.
Hartono, M. (Madi) +2 more
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