MoMuLV-ts-1: A Unique Mouse Model of Retrovirus-Induced Lymphoma Transmitted by Breast Milk

Table 2

Percentages of changes in spleen, lymph node, and thymus due to MTCT of ts-1 virus by breastfeeding in control and infected pups.

Group	Description	Sample size (n)	Splenomegaly	Lymph node hypertrophy	Thymic hypertrophy
1	Control pup nursed by infected surrogate mother	93	95.7%	79.1%	95.7%
2	Infected pup nursed by infected surrogate mother	94	92.6%	56.5%	92.6%
3	Infected pup nursed by control surrogate mother	108	46.3%	25.9%	46.3%
5	Infected pup nursed by biological mother	88	89.8%	61.4%	89.8%
4 & 6	Control—no infection	154	1.9%	0.0%	5.8%