farm/views/foster_event.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <record id="view_foster_event_tree" model="ir.ui.view">
            <field name="name">foster_event.tree</field>
            <field name="model">farm.foster.event</field>
            <field name="inherit_id" ref="view_abstract_event_import_mixin_tree" />
            <field name="arch" type="xml">
                <field name="lot" position="after">
                    <field name="farrowing_group" />
                </field>
            </field>
        </record>
        <record id="view_foster_event_form" model="ir.ui.view">
            <field name="name">foster_event.form</field>
            <field name="model">farm.foster.event</field>
            <field name="mode">primary</field>
            <field name="inherit_id" ref="view_abstract_event_import_mixin_form" />
            <field name="arch" type="xml">
                <field name="state" position="after">
                <h1>Foster Event</h1>
                </field>
                <field name="farm" position="after">
                    <field name="pair_female"/>
                    <field name="pair_event" attrs="{'readonly': True}"/>
                    <field name="female_cycle" attrs="{'readonly': True}"/>
                    <field name="farrowing_group" attrs="{'readonly': True}"/>
                    <field name="quantity"/>
                    <field name="move" attrs="{'readonly': True}"/>
                </field>
            </field>
        </record>
    </data>
</openerp>