Table 4
Association of patches with hearing in Dalmatians

Researchers	Patch	Bilaterally deaf	Unilaterally deaf	Normal	Number of dogs
Strain et al	Present	2.0%	9.2%	88.8%	98
(1992)	Absent	8.2%	23.1%	68.8%	906
Strain & Tedford (1996)*	Present  Absent	2.0%  8.4%	8.5%  23.3%	79.5%  68.3%	4596

* May include data of Strain et al (1992)

Table 5
Selective breeding in Dalmatians

		Progeny
Reference	Parents	Bilaterally deaf	Unilaterally deaf	Total affected	Normal	Number tested
Yuzbasiyan- Gurkan (1994)	Normal x Normal Unilat x Normal	3.9%   13.3%	15.8%   14.2%	>19.7%+   >27.5%+	<80.3%+   <72.5%+	>800
Strain & Tedford (1996)	Normal x Normal	5.9%	21.3%	27.2%	72.8%	4596
	Affected x Affected*	11.3%	30.3%	41.6%	58.4%
Wood & Lakhani (1997)	Normal x Normal	4.1%	11.3%	15.4%	84.5%	458
	Unilat x Normal	2.3%	18.6%	20.9%	79.1%	43

* Affected = bilaterally or unilaterally deaf
⁺ not BAER tested

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