Non-linear modelling to describe lactation curve in Gir crossbred cows

YC Bangar, MR Verma - Journal of Animal Science and Technology, 2017 - Springer
Background The modelling of lactation curve provides guidelines in formulating farm
managerial practices in dairy cows. The aim of the present study was to determine the …

Estimation of 305-day milk yield from test-day records of Chinese Holstein cattle

L Kong, J Li, R Li, X Zhao, Y Ma, S Sun… - Journal of Applied …, 2018 - Taylor & Francis
This study compared six models, namely the Gaines, Sikka, Nelder, Wood, Dhanoa and
Hayashi models, for the estimation of 305 days milk yield in Chinese Holstein cattle. We …

Comparative evaluation of some mathematical fuctions in describing the lactation curve of Iranian dairy cattle

M Arianfar, M Rokouei, G Dashab, H Faraji-Arough - Animal Production, 2018 - jap.ut.ac.ir
The objective of this study was to compare some nonlinear functions (Wood, Dhanoa,
Wilmink, Ali-Schaeffer, Cappio Borlino, Cobby–Le Du, Dijkstra, Rook, Gous and Nelder) to …

[PDF][PDF] Fitting Various Growth Equations to the Daily Milk Yield Data of NiliRavi Buffaloes and Cholistani Cows at Intake at Maintenance Levels

K Zahid, TN Pasha, JA Bhatti, N Sharif… - KAFKAS …, 2023 - vetdergikafkas.org
This study described the daily MY in buffalo and cow under restricted feeding conditions
using the five growth models (Brody, Von Bertalanffy, Logistic, Gompertz and Wood). In …

Modelling lactation curve for genetic evaluation of crossbred cattle

R Gupta, SK Sahoo, S Kaur, SK Dash… - International Journal of …, 2023 - indianjournals.com
The present study was conducted on first lactation 4415 monthly test-day milk yield records
of 466 crossbred (CB) cattle sired by 89 bulls during 2000-2018 (19 years) maintained at …

Modeling of lactation curves of Red Sindhi dairy cows

BS Mohanty, MR Verma, S Singh… - The Indian Journal of …, 2017 - epubs.icar.org.in
The Lactation curve is the relationship between milk yield and lactation length with respect
to time. The present study is based on the data on the lactation records of Red Sindhi cows …

Comparative evaluation of lactation curves of crossbred dairy cows in field conditions in Tamil Nadu, India

C Balan, M Thirunavukkarasu - ASIAN JOURNAL OF DAIRY …, 2021 - indianjournals.com
Background Various mathematical models have been tried by different researchers to fit the
lactation curves in indigenous, exotic and crossbred cows maintained in organised farms …

Producción de leche y curvas de lactancia de cabras locales en la Comarca Lagunera, México.

JA Maldonado Jáquez - 2017 - colposdigital.colpos.mx
El objetivo fue evaluar el efecto de diversos factores que influyen en la producción media de
leche/dia/lactancia y determinar el efecto del número de mediciones (pesajes) de leche …

Estandarización de la producción de leche mediante métodos alternativos al registro estándar en vacunos lecheros

FH Veramendi Nina - 2021 - repositorio.cientifica.edu.pe
La producción de leche a nivel nacional y mundial ha presentado un incremento a lo largo
de los años debido al mejoramiento genético, infraestructura, programas de alimentación y …

Genetic evaluation of lactation curve parameters and the estimation of inbreeding effect on them in Holstein cows

M Arianfar, M Rokouei, GR Dashab… - Animal Sciences …, 2021 - asj.areeo.ac.ir
The aim of this study was to estimate the genetic parameters of lactation curve traits (milk
yield at beginning of lactation, the rate to reach peak yield, a parameter related to maximum …