Results 41 to 50 of about 6,252 (157)

Characterization of dystocia in a herd of Holstein dairy cows in Brazil

open access: yesCiência Animal Brasileira, 2022
The objective of this study was to characterize calvings with low and high difficulty based on the productive and reproductive performance of dairy cows.
Jean Carlos Lourenço   +7 more
doaj  

Reproductive analysis of Brown Swiss x Zebu and Simmental x Zebu cows in tropical conditions

open access: yesRevista Mvz Cordoba, 2019
Objective. Compare the fertility of Brown Swiss x Zebu and Simmental x Zebu crossbred cows reared in a tropical environment. Materials and methods. Reproductive traits of 185 Brown Swiss x Zebu and Simmental x Zebu crossbred cows with diverse percentages
Ángel Ríos-Utrera   +4 more
doaj   +1 more source

Reproductive and milk production performance of White Fulani and Red Fulani cows in traditional small scale farms in the Northern Region of Cameroon

open access: yesRevue Marocaine des Sciences Agronomiques et Vétérinaires, 2018
The present study was carried out on 150 White Fulani (WF) and Red Fulani (RF) zebu cows of small traditional farms in the North region of Cameroon in order to determine their reproductive performance and dairy production.
Justin KOUAMO   +3 more
doaj  

The effect of calving season on reproductive performance of Jersey cows

open access: yesMljekarstvo, 2017
Dairy records, containing 1269 lactation record of 462 Jersey dairy cows collected over 16 years, from an agricultural state farm were used. Data for reproductive performance of cows were also collected.
Ercan Soydan, Mehmet Kuran
doaj   +1 more source

Effects of Year and Season on Calving Interval in Romanian Brown Cattle

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The aim of the current research was to determine the influence of calving year and season on calving interval (CI) in Romanian Brown breed. A total of 250 data recorded from 150 lactations of 50 Romanian Brown cows raised between 2018 and 2020 were ...
Radu Ionel Neamţ
doaj  

Study the effect of number of parturitions on the measurements of reproductive performance of dairy cows

open access: yesKufa Journal for Veterinary Medical Sciences, 2014
This study is conducted in Latifiya station for dairy cows in south east of Baghdad. Which have Holstein and Friesian and cross breed among them, from the first of April 2012 until the first of August 2014.
Mohammad Y. Mahmood   +2 more
doaj   +1 more source

CALVING INTERVAL IN NELORE CATTLE

open access: yes, 2007
The work presents the study of 368 calving intervals data in Nelore cattle of Goiânia - Goiás. It was observed that the average calving intervals were 16.15 +/- 0.22 months.
Pato, José Magno   +1 more
openaire   +1 more source

Nutritional aspects related to the interval between calves

open access: yesScientific Electronic Archives, 2017
It is known that the demand for products of bovine origin increases every day in the world, and Brazil, which has the largest commercial herd of cattle on the planet, does not stay behind when it comes to raising beef cattle and milk. Despite our efforts to offer the best product, we are faced with difficult challenges in the country when it comes to ...
G. H C. Guse   +2 more
openaire   +1 more source

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