Results 81 to 90 of about 14,536 (208)

Avaliação de esquemas de seleção alternativos para bovinos Zebus de dupla aptidão

open access: yesRevista Brasileira de Zootecnia, 2000
Utilizando-se simulação determinística, foram avaliados seis esquemas de melhoramento, com diferentes grupos de informações: (1) somente características de crescimento, (2) somente características leiteiras, (3) características de crescimento e ...
Raimundo Nonato Braga Lôbo   +2 more
doaj  

Bayesian estimates of genetic parameters for reproductive traits in Nellore cows raised on pasture in tropical regions

open access: yesRevista Colombiana de Ciencias Pecuarias
Summary Background: Nellore cows are well adapted to tropical conditions, and they have good maternal ability as well as long and prolific reproductive life.
Cláudio Ulhôa Magnabosco   +3 more
doaj   +1 more source

Reproductive parameters of Sindhi cows (Bos taurus indicus) treated with two ovulation synchronization protocols

open access: yesRevista Brasileira de Zootecnia, 2013
The objective of this study was to evaluate the reproductive parameters of Sindhi cows aiming to improve the efficiency of fixed-time artificial insemination protocols in this breed.
Raquel Rodrigues Costa Mello   +7 more
doaj  

The History, Geography, and Characteristics of African Zebu, Zebu–Taurine Derivatives, and Well-Established Exotic Cattle Breeds [PDF]

open access: yes
The origins and history of African cattle are covered in the introduction to chapter 3. This chapter covers the African Zebu, Zebu–taurine derivatives, and well-established exotic cattle breeds on the continent.
Houaga, Isidore   +6 more
core   +1 more source

Heat tolerance of Zebu and Friesian-Zebu crosses in the Guinea savanna zone of Nigeria

open access: yes, 2015
Comparative evaluation of the zebu and crossbreds to heat tolerance were carried out over a period of 4 months. Physiological measurements of two indigenous zebu breeds of cattle, Bunaji (BU) and Sokoto Gudali (SG) and the half-crosses of Friesian-White ...
Adamu, A.M.   +2 more
core   +1 more source

Effects of Substituting Cassava Pulp with Broken Rice and Cassava Chips in Crossbred Holstein Diets: Rumen Fermentation, Enteric Methane Emission, and Energy Utilization

open access: yesAnimals
This study evaluates the effects of substituting cassava pulp with broken rice and cassava chips in the total mixed ration silage diets of beef cattle on feed composition, ensiling quality, digestibility, and energy utilization.
Jiraporn Kabsuk   +4 more
doaj   +1 more source

The Malawi Zebu

open access: yes, 2013
Description of the Malawi zebu dealing w. its origins, body characteristics, reproduction, growth characteristics, teeth eruption, carcass quality and milk yield ...
Butterworth, M.H., McNitt, J.I.
core   +1 more source

Ueber den Fleischhöcker des Zebu

open access: yes
UEBER DEN FLEISCHHÖCKER DES ZEBU Deutsches Archiv für die Physiologie (-) Deutsches Archiv für die Physiologie (6) (a0001) Ueber den Fleischhöcker des Zebu (6 ...
Jager, G.
core   +1 more source

Methods of analyzing the effect of season of birth on weaning weight in a zebu x temperate beef herd in Kenya

open access: yes, 1984
A study was made of weaning weights in a beef herd, using a rotational crossbreeding system including the Boran breed (zebu) and two temperate beef breeds (Devon and Limousin), and a seasonal calving period spanning the onset of the rains.Significant ...
A. B. Carles   +3 more
core   +1 more source

Reproductive parameters of Malawi Zebu cattle

open access: yes, 2011
Describes part of a series of studies aimed at characterizing the pre-pubertal reproductive performance of the Malawi Zebu cattle, monitoring 10 Malawi Zebu heifers over a 15-month period starting when the animals attained 15 months of age and ending ...
Kamwanja, L.A.
core   +1 more source

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