Estimates of genetic and crossbreeding parameters for milk components and potential yield of dairy products from New Zealand dairy cattle

Milk composition can vary significantly among individual cows and breeds, and the dairy products that can be made from that milk are limited by available milk components. The objective of this research was to estimate genetic and crossbreeding parameters for lactation yields of milk, fat, protein an...

Full description

Saved in:
Bibliographic Details
Published in:New Zealand journal of agricultural research 2016-01, Vol.59 (1), p.79-89
Main Authors: Sneddon, NW, Lopez-Villalobos, N, Davis, SR, Hickson, RE, Shalloo, L, Garrick, DJ
Format: Article
Language:English
Subjects:
Animal lactation
Cattle
Cheese
Cows
Dairy cattle
Dairy processing
Dairy products
Genetic parameters
Heritability
Heterosis
Lactation
Lactose
Livestock breeding
Milk
milk processing
Milk products
Milk yield
New Zealand
Parameter estimation
Skim milk
Yield
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Milk composition can vary significantly among individual cows and breeds, and the dairy products that can be made from that milk are limited by available milk components. The objective of this research was to estimate genetic and crossbreeding parameters for lactation yields of milk, fat, protein and lactose, and use these to determine potential yields of dairy products from New Zealand dairy cattle. A mass-balance milk-processing model was used to estimate yields of milk products for 4310 first lactation heifers that produced milk in the 2010-2011 dairy season. Estimates of heritability for yields of whole and skim milk powders were moderate (0.31). Heterosis effects for product yield per lactation was significant only for cheese and butter production (P 
ISSN:0028-8233
1175-8775
1175-8775
DOI:10.1080/00288233.2015.1131723